William J. O'Neil

As of: 2026-07-10

Core Worldview

William J. O'Neil's investment philosophy is best understood as empirical growth-momentum with a hard risk-control shell. It is not value investing with charts attached, and it is not pure chart reading. O'Neil argued that the biggest stock market winners shared recurring pre-advance traits: accelerating earnings and sales, new products or management, price leadership, institutional demand, constructive price-volume patterns, and a favorable general market. His official legacy site and O'Neil Securities history both describe the method as the product of historical model-book research into prior winners rather than a theory of intrinsic value alone (O'Neil Legacy; O'Neil Securities history).

The worldview has three premises. First, markets are not fully efficient because investors respond slowly and emotionally to new information. O'Neil treated human behavior as stable enough that old winner patterns could remain useful in new cycles; in a 2002 interview he explicitly linked recurring market behavior to human psychology (Motley Fool, 2002). Second, the market's verdict matters more than the investor's private opinion. Price strength, relative strength, volume, and market direction are not secondary decorations; they are evidence that other capital is validating the thesis. Third, survival is part of the edge. A system that finds winners but allows large losses is incomplete. Hence O'Neil paired aggressive upside selection with rules for selling, raising cash, and refusing to average down.

CAN SLIM is the public shorthand for that worldview. IBD describes the letters as Current quarterly earnings, Annual earnings growth, New products or highs, Supply and demand, Leader or laggard, Institutional sponsorship, and Market direction (IBD CAN SLIM overview). The crucial point is that the acronym combines fundamentals, technicals, ownership, and regime. The method asks whether a company is growing fast, whether institutions are accumulating it, whether it leads its industry, whether its chart offers a controlled entry, and whether the overall market is supportive.

As of this run, O'Neil should also be handled as a deceased founder whose personal investment claims are partly unverifiable and whose method remains commercialized through successor businesses. He died on May 28, 2023. FINRA and SEC/IAPD individual reports show no personal disclosure events for William Joseph O'Neil, while the firm-level BrokerCheck record for O'Neil Securities lists several regulatory events, including a 2023 firm censure and fine after O'Neil's death (FINRA individual BrokerCheck; SEC/IAPD individual report; FINRA firm BrokerCheck; FINRA disciplinary actions, 2023). Those facts do not define the philosophy, but they are important guardrails against turning the method into founder mythology.

The Edge - What Markets Misprice And Why

O'Neil's claimed edge is underreaction to superior growth and leadership. The market sees a new product, a step-change in earnings, or an emerging industry leader, but it does not immediately capitalize the full future. Institutions then begin accumulating shares, producing rising prices on heavier volume. The investor who can identify that combination early, buy as the stock breaks out of a sound base, and exit quickly when wrong can capture the middle of a large move.

This is why O'Neil put so much emphasis on newness. The "N" in CAN SLIM can mean a new product, service, management, industry condition, or new price high. In IBD's own educational framing, newness is what powers the earnings change that makes a stock capable of becoming a leader (IBD CAN SLIM overview; IBD quarterly earnings lesson). O'Neil's 2002 comments after the dot-com crash show the same logic in regime language: former technology leaders were not automatically the next leaders; the correct search was for current strength in the strongest sectors (Motley Fool, 2002).

Independent evidence supports pieces of this edge, though not the entire CAN SLIM package as a turnkey law. Jegadeesh and Titman's classic momentum work found that past winners tended to keep outperforming over intermediate horizons, while Chan, Jegadeesh, and Lakonishok tied momentum to gradual market reaction to earnings news (Jegadeesh and Titman, 1993; Chan, Jegadeesh, and Lakonishok, 1996). George and Hwang found that closeness to a 52-week high helped explain momentum profits, which fits O'Neil's counterintuitive preference for stocks near highs rather than apparently cheap laggards (George and Hwang, 2004). Lo, Mamaysky, and Wang found that some technical indicators had incremental information, but also emphasized the subjectivity problem in chart interpretation (Lo, Mamaysky, and Wang, 2000).

The edge is therefore strongest when described as a disciplined combination of validated ingredients: earnings momentum, price momentum, quality/profitability, industry leadership, and regime awareness. It is weaker when described as proof that every proprietary O'Neil chart rule, every cup-with-handle interpretation, or the exact follow-through-day signal has been academically validated.

Process: Idea Sourcing To Sell Discipline

Idea sourcing. O'Neil sourced ideas from databases, model books, rankings, and screens rather than tips. The original model-book work studied historical winners; later products such as Daily Graphs, IBD, MarketSmith, and MarketSurge turned that habit into a repeatable workflow. PR Newswire's 2010 MarketSmith launch release described the platform as combining fundamental data, charting, screening, stock ratings, and model tools over thousands of stocks and funds (PR Newswire, 2010). In practice, the source funnel is: screen for growth and relative strength, check whether the stock is in a leading industry group, watch for a constructive base, and wait for market conditions to improve the odds.

Research. Research begins with current and annual earnings, but it does not end there. IBD's earnings lesson says the CAN SLIM framework looks for strong current quarterly and annual earnings growth, while also asking for sales growth to confirm that earnings are not merely accounting or cost-cutting artifacts (IBD quarterly earnings lesson). The research checklist also includes return on equity, margins, industry-group rank, institutional sponsorship, and whether the company is genuinely leading a new product or demand cycle. O'Neil's 2002 interview put the same emphasis on leaders in leading sectors with earnings and sales growth, return on equity, margins, and product superiority (Motley Fool, 2002).

Valuation and entry. O'Neil rejected low P/E as the primary entry signal. He believed the best companies often begin major advances with high multiples because the market is starting to price a superior future. The entry problem is not to buy something statistically cheap; it is to buy a superior company at the moment the market confirms institutional demand. IBD's base-pattern materials emphasize buying as a stock emerges from a proper base near new highs rather than buying weakness or guessing at a bottom (IBD bases lesson). The 2006 LA Times profile summarized the style as antithetical to classic value investing: O'Neil's version is closer to buying high and selling higher (LA Times, 2006).

Sizing. O'Neil's individual-account logic favors concentration in the best merchandise, not broad diversification for its own sake. In Jack Schwager's Market Wizards interview, O'Neil argued against overdiversification and favored owning relatively few stocks that the investor knows well (Market Wizards PDF). That said, public-fund and ETF implementations necessarily dilute this. New USA did not mechanically replicate a personal account stop-loss discipline, and the modern CapForce IBD 50 ETF holds roughly 50 stocks and rebalances weekly (LA Times, 1992; CapForce IBD 50 details; CapForce IBD 50 index construction). The philosophy is concentrated; the commercial products are often diversified or rules-based.

Portfolio construction. The portfolio should be tilted toward leading stocks in leading industry groups during a confirmed market uptrend. IBD states that market direction matters because most stocks follow the general market, and its market-bottom lesson frames the follow-through day as a signal for a confirmed uptrend, while warning that some follow-throughs fail and exposure should be rebuilt gradually (IBD CAN SLIM overview; IBD market-bottom lesson). This turns O'Neil's approach into a conditional-risk system: be aggressive when the market is aligned, defensive when distribution and index damage dominate.

Sell discipline. O'Neil's sell discipline has two sides. On losses, IBD's educational material teaches the 7%-8% sell rule as a capital-preservation rule, not a prediction that the stock cannot recover (IBD 7%-8% sell rule). On gains, IBD teaches taking many profits around 20%-25% unless the stock has exceptional behavior and remains technically sound (IBD taking profits lesson). O'Neil's 2002 interview also stressed written sell rules for climax tops and for accepting market feedback when price action proves the investor wrong (Motley Fool, 2002).

Risk Management

Risk management is the non-negotiable part of the method. O'Neil's approach begins by limiting position-level losses, then adds portfolio-level market timing. The 7%-8% rule is a behavioral circuit breaker: it prevents a thesis from becoming an identity. If the stock violates the buy point quickly, the investor exits rather than rationalizing, averaging down, or waiting for a return to cost (IBD 7%-8% sell rule).

The second risk layer is cash. O'Neil did not want investors to remain fully exposed through bear markets merely because they owned "good companies." The LA Times 1998 profile described his market rule plainly: when the market is falling, he favored the sidelines rather than waiting out damage in top-tier names (LA Times, 1998). IBD's follow-through-day framework is the formalized version: market exposure is increased after evidence of a new uptrend and cut when distribution and failed breakouts show institutions selling (IBD market-bottom lesson).

The third risk layer is liquidity and capacity. This is where the philosophy's historical scars matter. The O'Neil Fund's late-1960s decline exposed the danger of too many small, illiquid growth stocks falling at once. O'Neil later told the LA Times that small stocks fell too fast for the fund to exit cleanly, and the fund eventually shrank from a peak near $49 million to about $6 million by sale in 1975 (LA Times, 1992; WealthManagement/Bloomberg, 2023). That episode is a central caveat: a stop rule is not the same as guaranteed liquidity.

Academic and live-product evidence reinforces the same risk warning. North and Stevens found that mechanical AAII screens looked better before transaction costs than after costs and account-size assumptions (North and Stevens, 2015). Current FFTY data as of June 30, 2026 show an IBD 50 ETF with weekly rebalancing, an expense ratio, bid-ask spread, and long-run underperformance versus the S&P 500 Total Return Index since inception, despite strong recent one-year results (CapForce IBD 50 details). Those data do not refute O'Neil's discretionary method, but they show that implementation costs, timing, and product structure can overwhelm attractive screens.

Temperament & Psychology

O'Neil's temperament model is anti-ego. The investor is supposed to treat the market as feedback, not as an opponent to be argued with. That is why charts matter psychologically: they make buying and selling observable, not just narrative. A stock breaking out on volume is evidence of demand; a failed breakout is evidence that the thesis is not working. The system's purpose is to replace hope, pride, and sunk-cost attachment with a checklist.

He also built mistake review into the culture. The O'Neil legacy site highlights chart-based postmortems and the need to remove emotion from investment decisions (O'Neil Legacy). The LA Times 2006 profile captured the same ethos through a retail user's experience: once price falls toward the rule, the user's emotional resistance becomes the real test (LA Times, 2006). In that sense, CAN SLIM is partly a psychological training system disguised as a stock-selection system.

The temperament also has an optimistic bias, but not a buy-and-hold optimism. O'Neil searched for great companies, new industries, and entrepreneurial growth, yet he did not let admiration for a company override market action. After the 2000-2002 crash he warned against assuming old leaders would lead the next cycle (Motley Fool, 2002). This is one reason his style differs from both value investing and classic growth investing: the company can be excellent and still be the wrong stock at the wrong time.

Evolution Over Career

The earliest O'Neil method grew out of brokerage-era research. In 1958 he entered the securities business, then used early data work to study previous market winners. Official sources connect that research to his early personal-account gains and the 1963 founding of William O'Neil + Co. (O'Neil Securities history; O'Neil Legacy). The original edge was not merely stock picking; it was having a better historical database and the discipline to search it systematically.

The late 1960s and 1970s added the risk lesson. The O'Neil Fund's spectacular 1967 and subsequent shrinkage showed the fragility of concentrated growth stocks under liquidity stress (LA Times, 1992; WealthManagement/Bloomberg, 2023). The 1970s also produced the Model Book and Daily Graphs, turning research into product.

The 1980s and 1990s were the codification period. How to Make Money in Stocks made CAN SLIM the public grammar; Investor's Daily and IBD distributed stock tables, ratings, and education at scale. McGraw-Hill's current page for the fourth edition describes the book as a CAN SLIM system built from winners from 1880 to 2009, with chapters on buying, selling, chart patterns, sector rotation, and common mistakes (McGraw-Hill; Google Books).

The 2000s hardened the regime and sector-rotation language. The dot-com crash made clear that former leaders do not automatically recover. The 2010s and 2020s then institutionalized the method through MarketSmith/MarketSurge, O'Neil Global Advisors, and IBD-index products. OGA now presents O'Neil methodology as a combination of fundamental and technical strategies with explicit risk disclaimers (O'Neil Global Advisors). News Corp's 2021 acquisition of IBD also separated the media/tooling brand from the family-office affiliate map, while keeping the O'Neil philosophy as a saleable investor-education and data asset (News Corp, 2021; SEC News Corp exhibit, 2021).

What He Explicitly Rejects

O'Neil rejected low P/E, dividends, book value, and analyst recommendations as primary selection tools. He did not deny that valuation expectations matter; he denied that cheapness alone identifies the next great winner. In the 2002 Motley Fool interview he warned investors away from dividends, book value, and P/E as stock-picking anchors, arguing instead for leading companies in leading sectors with superior growth and profitability (Motley Fool, 2002).

He also rejected buying weakness simply because a stock had fallen. IBD's base lessons tell investors not to buy before a pattern is complete and to avoid stocks making new lows rather than new highs (IBD bases lesson). The Market Wizards interview similarly presents him as rejecting low-price bargain hunting in favor of leaders with confirmed demand (Market Wizards PDF).

He rejected averaging down, excessive diversification, and passive loyalty to broken leaders. He also distrusted Wall Street research incentives. In the 2002 interview, O'Neil criticized analyst downgrades and missed sector strength; in the 2006 LA Times profile, he framed his mission as teaching individuals to do their own homework rather than rely on professionals (Motley Fool, 2002; LA Times, 2006).

Finally, he rejected the idea that a stock is good independent of its price action. A company can be admirable but not buyable. For O'Neil, the market's behavior is part of the evidence.

Regimes Where It Thrives Vs. Struggles

The O'Neil method thrives in early and middle bull markets with clear leadership, accelerating earnings, enough liquidity, and a market willing to reward growth. It is especially well matched to innovation cycles: new drugs, retailers, software, semiconductors, consumer platforms, defense, homebuilding, or any other area where earnings growth, new products, and institutional sponsorship can reinforce each other. It also thrives when dispersion is high enough that leaders separate from the market.

It struggles in bear markets, range-bound markets, and false-start environments. The follow-through-day framework acknowledges this by warning that some signals fail and that exposure should be rebuilt gradually (IBD market-bottom lesson). It also struggles when value, dividends, cyclicals, or defensive sectors lead while high-growth stocks derate. In those regimes, O'Neil's dislike of low P/E and yield can exclude the best-performing areas of the market.

The method is especially vulnerable to liquidity, tax, and turnover frictions. Small-cap growth names can gap through stops, and highly visible breakout rules can become crowded. Mechanical screens may identify attractive anomalies, but the investor's actual experience depends on spreads, commissions, taxes, market impact, discipline, and whether the account is large enough to trade efficiently. CBS MoneyWatch's Swedroe critique and North-Stevens's AAII screen study both emphasize the gap between paper strategy returns and investable outcomes (CBS MoneyWatch, 2010; North and Stevens, 2015).

Tensions Between Stated Philosophy And Actual Behavior

The first tension is auditability. O'Neil's influence is very well documented; his personal lifetime investment record is not. The LA Times 2006 profile explicitly noted the lack of a formally audited CAN SLIM record, even while showing that prominent market participants used IBD or took the system seriously (LA Times, 2006). The early personal-account and Syntex stories are important origin evidence, but they remain self/company-reported fragments rather than a complete audited ledger (O'Neil Securities history; WealthManagement/Bloomberg, 2023).

The second tension is sell discipline versus scalable implementation. O'Neil taught fast loss-cutting, but the O'Neil Fund showed that liquidity can make exits harder when many small stocks fall together. New USA was a public test of the system, yet contemporary reporting said it would not follow the 7%-8% rule mechanically and would remain meaningfully invested (LA Times, 1992). The personal-account method and public-fund method were therefore not identical.

The third tension is empirical humility versus commercial certainty. O'Neil's best claim is that he studied data rather than relying on opinion. But the ecosystem around the method sold newspapers, workshops, ratings, software, research, and managed strategies. IBD's own current materials include disclaimers that education is not individualized advice and that results are not guaranteed (IBD CAN SLIM overview). OGA likewise presents strategy materials with risk and suitability disclaimers (O'Neil Global Advisors). That does not invalidate the method; it means affiliated performance and marketing claims must be discounted.

The fourth tension is between validated factors and proprietary pattern language. Momentum, earnings surprise, and new-high effects have strong independent support. Exact O'Neil rules such as cup-with-handle interpretation, the 7%-8% cutoff, and the follow-through-day signal have more practitioner evidence than formal proof. The philosophy is most credible when treated as a disciplined growth-momentum process with tested components, and least credible when treated as a fully validated formula immune to costs, capacity, crowding, and behavioral error.

As of: 2026-07-10T22:00:18Z

Evidence Boundary

William J. O'Neil's best-known wins are not documented like a modern hedge-fund trade blotter. The public record mixes four different kinds of evidence: O'Neil's own later accounts, affiliated IBD/O'Neil educational material, public-fund performance fragments, and model-book case studies of stocks that may or may not have been owned by O'Neil personally. This file ranks only trades or campaigns with evidence tying them to O'Neil, his firm, or an O'Neil-managed vehicle, and it marks gaps where entry dates, exits, size, or P&L are not public.

The single best identifiable stock trade is Syntex in 1963: it has first-person/affiliated O'Neil evidence, a specific entry area near $100, a later price range near $550-$570, and a direct link to the capital that helped fund O'Neil's NYSE seat and firm. The best overall compounding episode was the 1962-1963 seat-funding campaign of short Korvette, long Chrysler, and long Syntex, which Jack Schwager, O'Neil-affiliated sources, and later profiles describe as turning roughly $5,000 into about $200,000; that account growth is self-reported/Schwager-reported and unaudited (Market Wizards PDF; O'Neil Securities history; BusinessWire, 2023; WealthManagement/Bloomberg, 2023).

There is no credible evidence found in this run that the famous personal-account trades were legally challenged. The important caveat is evidentiary, not legal: O'Neil's personal account was not audited publicly. A 2006 LA Times profile explicitly noted the lack of a formal audited CAN SLIM record, while FINRA/IAPD reports show no personal disclosure events for William Joseph O'Neil and separate firm-level regulatory events at O'Neil Securities, including a 2023 censure/fine after his death (LA Times, 2006; SEC/IAPD individual report; FINRA firm BrokerCheck; FINRA disciplinary actions, 2023).

1. Syntex, 1963 - The Best Identifiable Single-Stock Trade

Context & dates. Syntex was the decisive final leg of O'Neil's early-1960s personal-account run. O'Neil's own later account places his Syntex purchase in June or summer 1963, after he had already profited from the 1962 Korvette short and Chrysler long. BusinessWire's company announcement after O'Neil's death compresses the story into a $5,000 Syntex investment that became more than $200,000 in one year, while Schwager's version frames Syntex as the third of three trades across 1962-1963. The correct treatment is that Syntex was central, but not the only leg, of the seat-funding campaign (BusinessWire, 2023; Market Wizards PDF; How Legendary Traders Made Millions PDF).

Thesis & how he found it. O'Neil later tied Syntex to exactly the features that became CAN SLIM: a new product cycle around oral contraceptives, explosive earnings growth, a high-tight-flag type pattern, heavy demand, and price strength after a prior advance. Boik's account says earnings were up roughly 300% and that O'Neil bought despite a high P/E after the stock had already moved sharply; IBD's later educational material uses Syntex as an O'Neil winner driven by one of the 20th century's major medical products (How Legendary Traders Made Millions PDF; IBD Syntex video page; How to Make Money in Stocks mirror).

Size & structure. No brokerage statement, share count, or exact capital-at-risk figure was found. The broader account story says O'Neil was using borrowed money/full margin and pyramid logic during the 1962-1963 sequence. Treat the $5,000-to-$200,000 account result as self-reported/Schwager-reported, not an independently verified account statement (Market Wizards PDF; How Legendary Traders Made Millions PDF; O'Neil Securities history).

Entry and path. The cleanest entry evidence is roughly $100 per share in June 1963. O'Neil/Boik accounts say the stock was already up about 40% within eight weeks, and O'Neil held rather than taking a quick profit because the stock still acted like an exceptional leader. No maximum drawdown from his cost was found (How Legendary Traders Made Millions PDF; How to Make Money in Stocks mirror).

Exit & P&L. The exit/return range varies by source. O'Neil/IBD sources and Boik put the stock's move near 450%-470%, with prices described around $550-$570 in roughly six months. The exact sale date and O'Neil's dollar P&L were not found. The most careful statement is: O'Neil bought near $100 and participated in a roughly 450%-470% move, which was a major contributor to the account that funded his NYSE seat and firm (IBD Syntex video page; How Legendary Traders Made Millions PDF; BusinessWire, 2023).

What it teaches. Syntex is the canonical O'Neil trade because it rejects cheapness, waits for proof, and then lets an exceptional leader work. It also shows the risk in mythologizing the method: the trade looks obvious only after one has the finished chart, the product story, and the later CAN SLIM vocabulary.

Sources. BusinessWire 2023, Schwager's Market Wizards, Boik's How Legendary Traders Made Millions, IBD's Syntex educational page, O'Neil Securities history, and O'Neil's own book mirror are the key sources; all dollar and return figures remain unaudited.

2. Chrysler, 1962 - Crisis Follow-Through Into A Cyclical Leader

Context & dates. Chrysler was the long trade immediately before Syntex in the seat-funding campaign. O'Neil's later account says he bought Chrysler shortly after the Soviet Union backed down in the Cuban missile crisis, on the first Dow follow-through day after the panic. That places the decision in late October 1962, though the exact trade ticket date was not found (How Legendary Traders Made Millions PDF; IBD Chrysler video page).

Thesis & how he found it. The trade blended market timing and stock leadership. O'Neil was watching the general market for evidence that institutional selling had ended; once a follow-through appeared, Chrysler's base and relative strength made it a leading candidate. This is an early form of the "M" in CAN SLIM: do not buy merely because a stock looks cheap after fear; buy when the market confirms a turn and a leading stock breaks out (IBD Chrysler video page; How to Make Money in Stocks mirror).

Size & structure. No share count or percent-of-account size was found. Since the trade sits between the Korvette short and Syntex long in Schwager's $5,000-to-$200,000 sequence, it likely compounded earlier gains, but the exact capital allocation is unavailable (Market Wizards PDF).

Entry and path. Boik/O'Neil sources give an entry around 58 5/8. IBD later described Chrysler as an O'Neil 300%-plus gainer, while model-book tables cited by later O'Neil material show Chrysler's stock-run percentage differently, around +215% over a 51-week measurement window. This is not necessarily a contradiction: trade return, chart-model measurement window, and split/rounding conventions can differ. The exact drawdown from O'Neil's cost was not found (How Legendary Traders Made Millions PDF; IBD Chrysler video page; How to Make Money in Stocks mirror).

Exit & P&L. No exit price or standalone dollar profit was located. The careful statement is that Chrysler was a major intermediate winner in the early account compounding chain, with later IBD material calling it a 300%-plus O'Neil winner, but the precise ticket-level P&L is not public (IBD Chrysler video page; Market Wizards PDF).

What it teaches. Chrysler shows that O'Neil's "market direction" rule was not an afterthought. The trade was not a blind bullish bet after a scary headline; it was a crisis-resolution trade gated by a follow-through day and a leadership chart.

Sources. Boik/O'Neil account, IBD's Chrysler educational page, Schwager's Market Wizards, and O'Neil model-book material.

3. E.J. Korvette Short, 1962 - The Forgotten Downside Leg

Context & dates. Korvette is the short-sale leg in the famous sequence. O'Neil's later telling says he moved heavily to cash around April 1962, shorted weak names, and later in the year sold Korvette short above $40. Schwager summarizes the full seat-funding chain as short Korvette, long Chrysler, and long Syntex (How to Make Money in Stocks mirror; Market Wizards PDF).

Thesis & how he found it. The thesis was the mirror image of CAN SLIM. Korvette was treated as a vulnerable retail leader whose price/volume action had deteriorated in a weak market. O'Neil later wrote a separate short-selling framework with Gil Morales, but even this early trade shows that his edge was not simply buying exciting growth stocks; it was reading institutional demand and supply both ways (Google Books, How to Make Money Selling Stocks Short; How to Make Money in Stocks mirror).

Size & structure. No size, borrow, margin, or risk-limit detail was found. Because this was a short sale in a small personal account, the risk would have been asymmetric. O'Neil's later loss-cutting doctrine makes sense in that context, but the exact stop used on Korvette is not public.

Entry and path. Entry is described only as above $40. No cover price, maximum adverse excursion, or holding period was found. Certain-teed and Alside appear as earlier profitable shorts in O'Neil's own account, but those are even thinner, with no standalone trade figures; they are not ranked here (How to Make Money in Stocks mirror).

Exit & P&L. Standalone P&L is unknown. The best-supported claim is that Korvette was profitable and contributed to the broader $5,000-to-$200,000 campaign, but the amount cannot be isolated (Market Wizards PDF; Business Insider, 2020).

What it teaches. Korvette is important because it complicates the simplified picture of O'Neil as only a long-growth buyer. His system required going to cash and sometimes shorting when leadership broke down. It also shows why the spectacular account-growth story should be treated as a sequence, not a single Syntex miracle.

Sources. O'Neil's book mirror, Schwager's Market Wizards, Business Insider's Schwager-based summary, and O'Neil/Gil Morales short-selling source metadata.

4. O'Neil Fund, 1967 - Spectacular Public-Fund Year With A Capacity Warning

Context & dates. The O'Neil Fund was O'Neil's first public mutual-fund proof point. Launch dates vary: the official memorial says 1965, while Bloomberg/WealthManagement says 1966. The record fragment everyone repeats is 1967, when the fund ranked first and gained about 115.6%-116% (O'Neil legacy site; BusinessWire, 2023; WealthManagement/Bloomberg, 2023).

Thesis & how he found it. This was not a single-stock ticket; it was a concentrated growth-stock campaign applying the same historical-winner research and price/volume rules to public money. In a market rewarding smaller growth issues, O'Neil's method found enough leaders to produce a spectacular one-year record.

Size & structure. The fund later peaked near $49 million in assets and shrank to about $6 million by its 1975 sale, according to LA Times and Bloomberg/WealthManagement reporting. The 1967 asset base and exact holdings were not found in primary fund documents during this run (LA Times, 1992; WealthManagement/Bloomberg, 2023).

Entry and path. The 1967 result marks the upside path; the next path is the warning. The fund then suffered in the 1968-1969 break in small growth stocks. O'Neil later told the LA Times that the portfolio owned too many small, illiquid names and that selling discipline was hard to execute when those stocks fell quickly (LA Times, 1992).

Exit & P&L. The headline P&L is the 115.6%-116% 1967 gain. The full public-fund episode is more mixed: later losses and asset shrinkage make it an example of both O'Neil's upside and the liquidity/capacity limit of aggressive growth investing. A CBS/Larry Swedroe secondary article cites a 1969-1974 total loss for the fund, but this file relies mainly on the LA Times and Bloomberg for the broad rise/fall pattern because primary annual reports were not located (CBS MoneyWatch, 2010; LA Times, 1992).

What it teaches. The O'Neil Fund is the best cautionary "great trade" in his record. It proves the method could work spectacularly in a favorable regime, but it also proves that a 7%-8% stop rule is not the same as executable liquidity for a fund in crowded small-cap leaders.

Sources. O'Neil legacy site, BusinessWire, Bloomberg/WealthManagement, LA Times 1992, and CBS MoneyWatch as a secondary caution.

5. Pic 'N' Save / Price Company, 1977-1986 - Early CAN SLIM Retail Winner

Context & dates. O'Neil later described Pic 'N' Save as one of the first CAN SLIM-era stocks in 1977, and Schwager's interview identifies Pic 'N' Save and Price Co. among O'Neil's biggest winners. IBD's later "five biggest winners" framing also includes Price Club/Price Company among O'Neil winners (Market Wizards PDF; IBD five-winners video page; LA Times, 1992).

Thesis & how he found it. The underlying theme was retail format innovation: discounting, warehouse-style membership retail, and a new operating model with strong earnings/sales growth. This fit O'Neil's "N" for new business model and his preference for companies that were already showing price leadership.

Size & structure. Public sources do not disclose whether this was O'Neil personal capital, firm capital, or recommended/account-managed exposure. Schwager treats it as one of his biggest investment winners; O'Neil's own book material sometimes uses "we" language for firm purchases. Exact percent-of-fund or account sizing was not found.

Entry and path. LA Times reported O'Neil saying Pic 'N' Save was the first CAN SLIM stock in 1977 and that he made a 20-fold gain. O'Neil book/model material gives Price Company model-run figures such as +417% in 60 weeks and also says Price Company rose more than 15-fold from 1982 to 1986; those figures are model-stock measurements, not necessarily O'Neil's exact trade P&L (LA Times, 1992; How to Make Money in Stocks mirror).

Exit & P&L. The strongest trade-level statement is the LA Times-reported O'Neil claim of a 20-fold gain in Pic 'N' Save. For Price Company/Price Club, use the model-book percentages as stock-run context and IBD's "O'Neil winner" label rather than a ticket-level exit. Exact sale dates were not found (IBD five-winners video page; LA Times, 1992).

What it teaches. This is the bridge from O'Neil's early personal-account brilliance to repeatable model-book investing. The edge was not that retail stocks were cheap; it was that a new format was producing measurable growth and institutional sponsorship before the market had fully capitalized it.

Sources. Schwager, LA Times 1992, IBD five-winners page, and O'Neil book/model material. Treat exact returns as partly source-dependent.

6. Dome Petroleum, 1977-1978 - "We Bought It Ourselves"

Context & dates. Dome Petroleum is less famous than Syntex or Chrysler but useful because O'Neil's own book material describes a firm-side decision after institutional clients rejected the idea. The cited account places the recommendation around November 1977 at roughly $48 and says that when managers disliked it, O'Neil's side bought it themselves (How to Make Money in Stocks mirror).

Thesis & how he found it. Dome fit the late-1970s resource leadership tape: strong price action, earnings pressure from the energy cycle, and institutional skepticism despite market evidence. The trade exemplifies O'Neil's willingness to buy leadership that looked extended or controversial to more conventional managers.

Size & structure. The evidence says "we" rather than "I," so classify it as an O'Neil firm/account trade, not necessarily a personal O'Neil account position. No size or account allocation was found.

Entry and path. The stated idea price is about $48. O'Neil model-book material groups Dome with large historical winners and says it became one of their biggest winners, but the exact path, drawdown, and holding period were not verified from primary trade records (How to Make Money in Stocks mirror; Market Wizards PDF).

Exit & P&L. No exact exit or dollar profit was found. O'Neil book tables and examples cite large percentage advances for Dome, but because the evidence is model-book/firm-account language, this file does not assign a precise O'Neil P&L.

What it teaches. Dome is a clean example of O'Neil's market-first discipline. The trade was attractive not because institutions liked the story, but because the stock's action and fundamentals suggested that institutional skepticism was lagging the evidence.

Sources. O'Neil book mirror and Schwager's interview; figures are source-limited and not independently audited.

7. Amgen, 1990-1992 - Biotech Leadership And The New-Product Rule

Context & dates. IBD's later "five biggest winners" package names Amgen among Bill O'Neil's biggest winners. O'Neil's book material uses Amgen as a textbook new-product case around Epogen and Neupogen, with the stock moving from about $60 in 1990 to a split-equivalent $460 in early 1992 and model tables showing a +681% move over 96 weeks (IBD five-winners video page; IBD Amgen video page; How to Make Money in Stocks mirror).

Thesis & how he found it. Amgen was almost a laboratory version of CAN SLIM: genuinely new therapies, rapid sales/earnings expansion, strong institutional interest, and a market willing to pay for biotech leadership. The thesis was not "biotech is exciting"; it was that Amgen had new products with measurable financial impact and a stock confirming that impact.

Size & structure. IBD identifies Amgen as an O'Neil winner, but no position size, account, or fund exposure was found. Classify the return figures as stock-run/model-book measures unless an IBD transcript or account record later provides trade details.

Entry and path. The stock-run context is roughly $60 to a split-equivalent $460 by early 1992. O'Neil model tables show +681% over 96 weeks. Drawdown from any O'Neil entry is not public (How to Make Money in Stocks mirror).

Exit & P&L. No O'Neil-specific exit was found. The safest wording is that Amgen is an IBD-labeled O'Neil winner and a 1990-1992 model-book superperformer, with the stock's total move cited but O'Neil's ticket-level P&L unknown.

What it teaches. Amgen shows O'Neil's framework outside retail and industrial cyclicals: new products plus earnings acceleration can justify buying a seemingly expensive stock if the chart confirms institutional accumulation.

Sources. IBD five-winners page, IBD Amgen educational page, and O'Neil book/model material.

8. eBay, 1998-2000 - Internet Leadership With A Sell-Discipline Shadow

Context & dates. IBD's later "five biggest winners" package names eBay among O'Neil's biggest winners. O'Neil book/model material lists eBay with a +282% model run over 115 weeks, placing it in the late-1990s internet leadership cycle (IBD five-winners video page; How to Make Money in Stocks mirror).

Thesis & how he found it. eBay had the kind of new marketplace model, rapid growth, brand/category leadership, and institutional sponsorship that O'Neil's screens were built to detect. The trade belonged to the late-1990s growth-stock regime where leadership was powerful but terminal risk rose as valuations and crowding became extreme.

Size & structure. No O'Neil account size or position detail was found. Treat eBay as an IBD-labeled O'Neil winner with stock-run context, not a fully reconstructed trade.

Entry and path. The model-run figure is +282% over 115 weeks. No O'Neil buy point, drawdown, or sell rule application was found in source-visible text. Because eBay sits near the 1999-2000 bubble peak, the teaching value depends as much on exit discipline as on entry selection.

Exit & P&L. Exact O'Neil exit/P&L unknown. The ranked inclusion rests on IBD's later identification and model-book statistics; future transcript access could improve this entry.

What it teaches. eBay shows the strength and danger of O'Neil's approach in mania-adjacent markets. CAN SLIM can find real leaders in a bubble, but it requires sell rules to keep a leader from becoming a round trip.

Sources. IBD five-winners page and O'Neil model-book/book material. Treat trade-level details as incomplete.

9. Mosaic, 2006-2008 - Late-Career Commodity-Agriculture Winner [Lower-Confidence]

Context & dates. IBD has a dedicated educational page describing Mosaic as a 581% O'Neil winner. This appears to refer to the fertilizer/agriculture leadership cycle during the mid-2000s commodity boom. It is included as a lower-confidence ranked trade because IBD ties it directly to O'Neil, but the static source did not provide a full transcript, position size, entry, or exit (IBD Mosaic video page).

Thesis & how he found it. Mosaic fit a classic O'Neil setup: sector leadership, earnings acceleration from a real supply/demand cycle, strong relative price action, and institutional sponsorship. Unlike Syntex or Chrysler, however, the evidence currently comes from a retrospective affiliated video page rather than a first-person account.

Size & structure. No size, account, or holding-period detail was found. Treat this as an IBD-labeled O'Neil winner and not as an audited personal-trade record.

Entry and path. IBD's headline figure is 581%. Without transcript access, this file does not assign exact entry/exit dates or drawdown. The trade likely maps to the 2006-2008 run in fertilizer stocks, but that timing remains an inference from the cycle and the IBD page title rather than a fully sourced trade ticket.

Exit & P&L. Exact O'Neil P&L unknown. The cited 581% is the stock/trade figure from IBD's retrospective page; it should be rechecked if transcript access becomes available.

What it teaches. Mosaic is valuable as a reminder that O'Neil's rules were not limited to consumer growth or technology. The same pattern language could identify cyclical commodity leaders when earnings momentum and institutional demand lined up.

Sources. IBD Mosaic educational page; lower-confidence until a transcript or primary account is found.

Excluded Or De-Emphasized Model-Book Winners

O'Neil's model books include many great stocks that are not automatically O'Neil trades. Home Depot, Microsoft, Cisco, Dell, Apple, Costco, and Xerox are important teaching cases in O'Neil/IBD material, but the opened sources did not prove that O'Neil personally owned them in the way they prove or strongly imply Syntex, Chrysler, Price/Pic 'N' Save, Amgen, eBay, Dome, and Mosaic. They should be treated as historical precedents unless a later task finds a first-person O'Neil account, an IBD page explicitly labeling them O'Neil winners, or account/fund records (How to Make Money in Stocks mirror; Google Books, Model Book; O'Neil Securities history).

The 1974 Xerox avoid/sell call is also excluded from the ranked list because it is an institutional research call rather than a clearly documented O'Neil trade. It still belongs in the broader O'Neil canon: O'Neil book material says William O'Neil + Co. told institutions to avoid or sell Xerox around $115 before further losses, which illustrates the defensive side of the method (How to Make Money in Stocks mirror).

Cross-Trade Lessons

1. O'Neil's best trades were not low-P/E mean-reversion bets. Syntex, Chrysler, Amgen, eBay, and Mosaic all depended on buying strength when fundamentals, price, and institutional demand lined up.

2. Market direction mattered. Chrysler followed a broad-market follow-through after crisis fear; Korvette came from the short/cash side of a weak market; the O'Neil Fund's later damage showed what happens when a growth portfolio meets a hostile regime.

3. New products and new models were the recurring fuel. Syntex had oral contraceptives, Price/Club-style retail had a new format, Amgen had new biotech therapies, eBay had a new marketplace model, and Mosaic had a commodity-cycle earnings surge.

4. The method was powerful but hard to audit. The early personal-account story is broadly corroborated by multiple sources, but it remains unaudited and source-conflicted on duration and attribution.

5. Capacity is the permanent caveat. A personal account can move fast, pyramid, and sell quickly. A public fund holding many small growth stocks cannot always execute a clean stop rule, as the O'Neil Fund's post-1967 decline showed.

As of: 2026-07-11T02:05:20Z Task: T0400 | Investor: 050-william-oneil | Category: D-mistakes

Evidence Boundary

William J. O'Neil's public reputation rests on a powerful combination: a self-reported early personal compounding record, the CAN SLIM method, a data-heavy research firm, and the eventual success of Investor's Business Daily. The mistake file has to be narrower and more skeptical. I found no audited, trade-by-trade public record of O'Neil's personal losses. The best evidence for losses and process scars comes from four categories: public mutual-fund performance, later products built around the CAN SLIM discipline, O'Neil's own books and interviews about common errors, and firm/publication legal or regulatory records.

As of this review date, FINRA BrokerCheck showed William J. O'Neil, CRD #352887, as not currently registered and listed no individual disclosure events; his registration history included O'Neil Securities from January 1964 to December 2014. The SEC/IAPD individual report likewise did not show personal representative disclosures in the materials reviewed. That does not make every business episode clean or every investment claim audited. It means the evidence supports a distinction between O'Neil personally and later firm-level events. FINRA individual BrokerCheck; SEC IAPD individual report.

This file therefore treats the major "mistakes" as process failures, public implementation failures, and evidence gaps rather than as a list of spectacular personal bankruptcies. The strongest finding is not that O'Neil lacked a sell discipline. It is almost the opposite: his later doctrine was shaped by the repeated observation that small growth stocks, high turnover, old leaders, margin, and ego can turn a good selection method into a bad realized outcome if liquidity, costs, and market direction are ignored.

Major Losses, Errors of Omission, and Near-Death Moments

1. The O'Neil Fund: brilliant launch, brutal public-market lesson

The O'Neil Fund is the clearest public example of the gap between O'Neil's stock-picking skill and the harsher mechanics of managing outside money in small, fast-moving growth stocks. O'Neil's legacy site says he launched the O'Neil Fund in 1965 and produced a 115.6% return in 1967. Bloomberg/WealthManagement rounded that 1967 return to 116% and described the fund as the top performer among its peers that year. William O'Neil legacy site; WealthManagement/Bloomberg obituary.

The problem came after the headline win. A 1992 Los Angeles Times profile reported that the fund "crashed" during the 1968-1969 market decline and that, when O'Neil sold the fund in 1975, assets had fallen to about $6 million from a peak of $49 million. O'Neil's own explanation in that article was not that the CAN SLIM idea was useless. He said the portfolio had become too concentrated in small companies and had grown too quickly, a liquidity/capacity problem more than a pure security-selection problem. Los Angeles Times, 1992.

The drawdown was also cited by Larry Swedroe in a CBS MoneyWatch critique: from 1969 through 1974, the O'Neil Fund reportedly lost 53.6%, while the S&P 500 lost 18.8%. I did not locate the original annual reports for that exact calculation during this run, so the number should be treated as a secondary-source figure unless future agents recover the fund filings or year-by-year returns. Still, it aligns with the Los Angeles Times asset-collapse narrative and with O'Neil's own later emphasis on selling quickly when the market disagrees. CBS MoneyWatch/Larry Swedroe.

The O'Neil Fund lesson is severe because it cuts against a simplistic reading of his doctrine. A 7%-8% stop-loss rule is easy to state, but a public fund invested in less-liquid small growth stocks can be too large to exit at theoretical stop prices. Capacity, bid-ask spreads, and shareholder flows become part of the strategy. The fund's early fame may also have invited asset growth faster than the underlying opportunity set could absorb.

2. New USA: the second public test was mixed, expensive, and benchmark-sensitive

O'Neil tried again in 1992 with the New USA Growth Fund. The Los Angeles Times framed it as an important public test precisely because much of O'Neil's reputation came from private results that ordinary investors could not inspect directly. The fund reportedly raised about $170 million before it officially began trading. O'Neil also warned investors up front that bear markets would come and that the fund could not simply reproduce the full private-account method; for example, it could not mechanically apply the 7%-8% loss-cutting rule in the same way an individual trader could. Los Angeles Times, 1992.

The first full year was not a disaster, but it was unimpressive relative to the story investors were buying. A December 1993 Los Angeles Times report said the fund, then with about $275 million in assets, was up roughly 7.5% in its first full year versus 8.9% for average growth funds. The article also described heavy cash, possibly around 25% and potentially as much as 50%, and noted that the fund had missed some selloff opportunities while drifting into names such as Chrysler, Ford, and gold-related holdings. Los Angeles Times, 1993.

The later record depends on the benchmark. A 1998 Los Angeles Times article said New USA lagged in 1992-1993, then gained 66.8% over the following three years versus 40.2% for the Russell 2000, but still trailed the S&P 500's 71.4% over the same span. The fund was sold to MFS in 1997 at about $200 million in assets. That is not a clean failure on an absolute-return basis, but it is a failure of translation: the public product did not clearly deliver the kind of dominant, low-regret result implied by O'Neil's legend. Los Angeles Times, 1998.

Contemporary criticism was harsher. TheStreet reported in 1997 that New USA had returned 90.0% over its lifetime versus 98.4% for all growth funds, 15.4% over the prior year versus 18.3%, and -4.0% year-to-date versus +5.0%. It also pointed to 400% turnover and an expense ratio nearly one percentage point higher than peers. Rick Ferri's Serious Money made a related critique: high turnover, high expenses, trading costs, and tax drag left fund shareholders with a less attractive version of the story. TheStreet, 1997; Rick Ferri, Serious Money PDF.

The mistake here was not simply "growth investing underperformed." It was that the full CAN SLIM package was harder to convert into a scalable, tax-aware, cost-aware fund than into a disciplined personal trading system. O'Neil's method demanded quick exits, fresh leaders, and concentration in powerful new names. A mutual fund adds prospectus limits, cash-flow management, tax distribution issues, public scrutiny, and the daily burden of proving a differentiated fee.

3. CAN SLIM public products: the screen could work, but implementation leaked edge

Later CAN SLIM-related public products show the same pattern. The CAN SLIM Select Growth Fund's 2019 SEC summary prospectus reported 1-year, 5-year, and 10-year average annual returns of -10.71%, 3.80%, and 7.82%, respectively, versus -4.38%, 8.49%, and 13.12% for the S&P 500 over the same periods. The prospectus also listed net expenses of 1.43% after waiver, gross expenses of 1.80%, a 2% short-term redemption fee, 183% portfolio turnover, authority to hold 50-100 names, and the ability to move up to 80% of assets to cash. SEC CANGX summary prospectus, 2019.

Swedroe's CBS critique highlighted the fund's weak early live record: -4.3% in 2006, -20.5% in 2008, and -6.7% through June 30, 2010, for a total loss of just over 7% from January 2006 through June 2010. Again, this is a secondary-source summary, but it is consistent with the SEC prospectus pattern: high-conviction growth/momentum selection can still lag broad benchmarks after costs, turnover, cash timing, and volatile market regimes. CBS MoneyWatch/Larry Swedroe.

The Innovator IBD 50 ETF, now associated with the FFTY ticker and an IBD 50 index methodology, gives a more current licensed-product view. The official CapForce page reported, as of June 30, 2026, a since-inception NAV annualized return of 5.65% versus 14.05% for the S&P 500 Total Return Index, and a 5-year NAV annualized return of -0.02% versus 13.41% for the same benchmark. The same page reported a strong recent 1-year NAV gain of 36.26% versus 22.32%, showing the style can still work in bursts. It also listed an 0.80% expense ratio and net assets of about $88.3 million as of July 9, 2026. CapForce FFTY details; CapForce IBD 50 index construction.

Academic and practitioner tests point to the same leak. North and Stevens, in an AAII-related study, found that simulated screens can show strong gross returns, but statistical significance and alpha decline materially once realistic transaction costs are included. In one reported set of Fama-French three-factor tests, statistically significant alphas fell sharply once transaction costs were applied. The key lesson is not that CAN SLIM is worthless. It is that a high-turnover growth screen is especially vulnerable to the invisible line items O'Neil himself often warned about: commissions, slippage, poor execution, and being late to sell. North and Stevens PDF; Financial Services Review page.

4. Errors of omission: Houston Oil and the cost of being intimidated by prior price action

O'Neil's own writings include an unusually useful error-of-omission case: Houston Oil & Minerals in early 1976. In the book text reviewed through an online carrier, O'Neil described remaining incorrectly bearish after a broker pointed out a constructive setup. The stock had already had a huge move and had some prior bad patterns, but earnings were reportedly up 357%, and the correct buy point was in January 1976. O'Neil's lesson was that the investor can miss the next leader by being anchored to a prior move or by treating an old opinion as more important than new evidence. O'Neil, How to Make Money in Stocks, fourth-edition online carrier.

This case matters because it shows the other side of O'Neil's discipline. CAN SLIM is often caricatured as chasing high prices, but O'Neil also warned against letting a prior high price make an investor too timid. The mistake was not buying high; the mistake was refusing to re-underwrite the facts when the earnings, chart, and market action had changed.

5. Old leaders: Xerox, Avon, Lucent, Cisco, and the recurring institutional trap

O'Neil repeatedly used old market leaders as cautionary examples. Xerox and Avon were not presented as his own losing trades in the materials reviewed; they were examples of institutional attachment to former leaders. He described situations where professionals clung to well-known franchises even as price and volume were deteriorating. In one case, he said he urged an insurer to sell Avon around $105 in 1974, but the position was defended because Avon was considered an outstanding company. O'Neil, How to Make Money in Stocks, fourth-edition online carrier.

The dot-com bust gave him a newer version of the same lesson. In a 2002 Motley Fool interview, O'Neil said that old leaders usually do not lead the next cycle and gave examples such as Cisco and Lucent, whose stocks had collapsed from bubble-era highs. The point was behavioral as much as statistical: investors anchor on former greatness and treat a price decline as a bargain rather than as evidence that sponsorship and earnings expectations have changed. Motley Fool interview, 2002.

6. Business, publication, and regulatory caveats

O'Neil's personal regulatory record appears clean in the individual reports reviewed, but the O'Neil business ecosystem still had caveats. FINRA BrokerCheck for O'Neil Securities, CRD #894, listed four final regulatory events and no pending or on-appeal events. A July 2023 FINRA disciplinary report said O'Neil Securities was censured and fined $30,000 for books-and-records and supervisory issues relating to approved private securities transactions by registered representatives, including late updates to outside business activity forms. This was a firm-level matter after O'Neil's death, not a personal finding against him. FINRA firm BrokerCheck; FINRA July 2023 disciplinary actions PDF.

The publishing business also had reputational and operating mistakes. In 2001, the Los Angeles Business Journal reported that Investor's Business Daily had been a consistent money-loser, was facing a 20%-30% advertising revenue decline, and had laid off 3%-4% of staff while trying to broaden its appeal. That did not prevent a valuable eventual exit: News Corp announced the acquisition of IBD for $275 million in 2021. The paired facts are useful: O'Neil could be right about the long-term value of financial data and education while still enduring years of operating strain and product-positioning difficulty. Los Angeles Business Journal, 2001; News Corp acquisition announcement; News Corp completion release.

There were also non-investment legal and editorial issues around IBD. Harris v. Investor's Business Daily was a California wage-and-hour class action in which the Court of Appeal reversed adverse trial-court rulings in 2006; I did not locate the final post-remand disposition during this run. In 2009, FactCheck.org and the Columbia Journalism Review criticized an IBD editorial claim involving Stephen Hawking and the British National Health Service. These are not investing losses, but they belong in the mistake file as evidence that the broader O'Neil institution could make public claims that required correction or legal defense. Harris v. Investor's Business Daily; FactCheck.org, 2009; Columbia Journalism Review, 2009.

What O'Neil Said About Mistakes

O'Neil's most revealing mistake doctrine was not a single apology. It was a system of rules designed to prevent the same psychological failures from repeating. His legacy site preserves the compact instruction: "Plot out your mistakes on charts." That is the right lens for the whole file. He wanted investors to make errors visible, mechanical, and reviewable rather than emotionally vague. William O'Neil legacy site.

His first rule was to stop arguing with the market. In the 2002 Motley Fool interview, O'Neil said that when a stock is dropping, the market is telling the investor that the judgment was wrong. He also emphasized that "Nothing lasts forever," which in context meant that even great companies and great bull markets eventually stop rewarding old assumptions. Motley Fool interview, 2002.

His best-known operating rule was the 7%-8% stop. IBD's education material says to sell if a stock falls 7%-8% below the purchase price and uses the phrase "Sell first, ask questions later." It also notes that in weak or volatile markets the investor may need tighter loss limits of 3%-5%. This is the clearest process change implied by the O'Neil Fund and by O'Neil's own repeated observation that large losses begin as small ignored losses. IBD sell rule lesson.

The same structure appears in the table of contents of his major books. How to Make Money in Stocks includes chapters on common mistakes, cutting losses, selling for profit, diversification, margin, and short selling. 24 Essential Lessons for Investment Success includes lessons on following a system rather than emotions and on selling rules. The chapter architecture itself is evidence of what O'Neil believed the central mistakes were: no system, no sell rule, too much ego, and too little respect for market direction. McGraw Hill, How to Make Money in Stocks; McGraw Hill, 24 Essential Lessons.

In Market Wizards, O'Neil's error hierarchy was similarly direct. He treated letting losses grow and averaging down as core failures because they combine two bad behaviors: refusing to admit error and increasing exposure to a deteriorating thesis. Schwager, Market Wizards PDF carrier.

Behavioral Root Causes

The first root cause is ego under uncertainty. O'Neil's sell rules are built around a humbling assumption: even a good investor will be wrong often. The investor's job is not to prove intelligence by defending the original thesis. It is to keep the cost of being wrong small enough that the next valid opportunity matters.

The second root cause is anchoring to old leaders. Xerox, Avon, Lucent, Cisco, and similar examples show a repeated institutional pattern: investors remember the company that made money for them, not the stock that is currently being distributed. O'Neil's cure was to separate business admiration from stock action. A great company could still be a terrible stock if earnings growth, sponsorship, or market direction had changed. Motley Fool interview, 2002; O'Neil, fourth-edition online carrier.

The third root cause is capacity blindness. The O'Neil Fund's post-1967 collapse and New USA's mixed public record both show that a strategy is not only a list of buy and sell rules. It is also an asset base, a liquidity profile, a shareholder base, a fee schedule, and a tax structure. A private trader can exit a small position quickly; a public fund in less-liquid growth stocks may move the market, delay exits, or water down the discipline with cash management.

The fourth root cause is underestimating friction. CAN SLIM's logic tends toward turnover: buy emerging leaders, cut losers quickly, take profits before climactic tops fully unwind, and rotate when leadership changes. That can be rational, but turnover transforms trading costs, spreads, short-term taxes, and mistakes of timing into central determinants of realized performance. The CANGX and FFTY histories show that even a coherent selection discipline can trail a broad index if friction and regime mismatch are persistent. SEC CANGX summary prospectus, 2019; CapForce FFTY details; North and Stevens PDF.

The fifth root cause is narrative over evidence. O'Neil built a newspaper and research firm to fight that problem with data, but the IBD business and editorial caveats show that institutions built around evidence can still overstate, oversimplify, or defend claims in public. The investment analogue is familiar: once a story has been profitable, the owner of the story has an incentive to keep believing it.

Process Changes and Safeguards

O'Neil's most important safeguard was pre-committing to loss limits. The 7%-8% stop, and the tighter 3%-5% version in weaker markets, turns a judgment error into a bounded expense. It also keeps one wrong stock from becoming a portfolio-defining event. The rule is not magic; the O'Neil Fund and public-product record show it can be hard to implement at scale. But as a behavioral defense for individual investors, it directly attacks denial, averaging down, and hope. IBD sell rule lesson.

His second safeguard was selling into strength when a leader became extended or climactic. IBD's sell education emphasizes taking profits when gains reach 20%-25% from a proper breakout in many cases, while also allowing exceptional leaders more room if they rise quickly from a sound base. This rule addresses the opposite mistake from cutting losses: giving back a major winner because the investor cannot distinguish a normal pullback from a climax or late-stage failure. IBD profit-taking lesson.

His third safeguard was market-direction discipline. O'Neil's system puts heavy weight on distribution days, follow-through days, and the action of leading stocks. That process was designed to prevent bottom-up conviction from overwhelming the fact that most stocks move with the market. The 2000 and 2008 examples in his book materials are framed this way: when major indexes and leaders show repeated institutional selling, the investor should raise cash rather than search for comfort in company quality. O'Neil, fourth-edition online carrier.

His fourth safeguard was margin restraint. O'Neil warned that new investors should avoid margin until they had experience and that margin can be devastating in bear markets, especially in volatile growth stocks. This is the same underlying error as averaging down, expressed through leverage: it increases exposure exactly when the market is proving the investor wrong. O'Neil, fourth-edition online carrier.

His fifth safeguard was caution around short selling. O'Neil wrote separately about shorting, but the accessible publisher and book metadata emphasize that shorting requires specialized rules and discipline. In the book materials reviewed, short exposure was treated as a tool for experienced operators, not a default activity for ordinary investors. That matters because a growth investor who has learned to spot overextended leaders can still lose badly if a short thesis is too early or position sizing is reckless. Google Books, How to Make Money Selling Stocks Short; Wiley book page.

His sixth safeguard was journaling and post-mortem review. "Plot out your mistakes on charts" is not just a slogan. It means the investor should compare the actual buy, sell, volume, earnings, market condition, and base structure against the rulebook. This converts regret into a database. It also fits O'Neil's larger achievement: he built institutions around historical precedent precisely because memory alone is too flattering.

Open Questions and Evidence Gaps

The largest unresolved gap is the lack of original O'Neil Fund annual reports or a complete public performance series. The 1967 return and later asset decline are well supported by legacy and press sources, and the 1969-1974 loss is cited by a credible secondary critic, but future agents should still try to locate primary fund reports.

The second gap is the lack of audited personal trade records behind the famous early compounding claims. O'Neil's early record is important to the Canon, but this task should not convert self-reported or interview-reported claims into audited facts. The right wording is "reported" unless a primary account statement, tax record, or audited performance schedule is found.

The third gap is legal follow-through. I found the appellate decision in Harris v. Investor's Business Daily, but not the final post-remand outcome. I also found the Validea/Dearborn litigation materials showing denial of preliminary injunction and dismissal with leave to amend, but no evidence of a monetary sanction against O'Neil personally during this run. These should remain caveated as business/legal context, not investment-fraud findings. Harris v. Investor's Business Daily; Validea litigation summary.

Bottom Line

O'Neil's worst public investment scar was not a single spectacular trade. It was the repeated difficulty of translating a fast, concentrated, high-turnover growth discipline into scalable public vehicles. The O'Neil Fund's post-1967 collapse, New USA's mixed fund record, and later CAN SLIM product underperformance all point to the same underlying problem: strategy returns are not investor returns unless liquidity, market regime, taxes, expenses, trading costs, and behavior cooperate.

O'Neil's response was unusually practical. He did not tell investors to become more certain. He told them to become more rule-bound: cut losses, do not average down, respect market direction, avoid old leaders, manage margin carefully, treat shorting as specialized, and study every mistake on a chart. The process scar is therefore also the enduring lesson. CAN SLIM was never just a buying formula; it was a defense system against the ordinary human desire to be right after the market has already voted no.

As of: 2026-07-10T19:42:11Z Task: T0401 E-own-words
Status: best source-visible quote bank, not a full-book quotation file.

Attribution Rules

This file uses three labels:

• Direct O'Neil means the words are attributed to William J. O'Neil in a visible interview, profile, official memorial/company page, IBD page, or book/publisher/archive record.
• O'Neil-authored title/heading means the phrase is from an O'Neil book table of contents, chapter/lesson title, or publisher/archive record. It is useful for mapping his vocabulary but should not be overread as spontaneous speech.
• Affiliated doctrine means a current IBD, MarketSurge, William O'Neil + Co., or O'Neil Securities page expresses the O'Neil method, but the page does not prove that the exact wording was personally spoken or written by O'Neil.

The fragments below are intentionally short. Popular quote-card versions were excluded unless the wording was visible in a primary or near-primary source. O'Neil was deceased as of 2026-07-10; no new personal BrokerCheck disclosure was found in the available current regulatory source checks, while O'Neil Securities has firm-level regulatory history that belongs in caveats rather than in the quote bank.

Quote Bank

Evidence Before Opinion

Temperament, Mistakes, And Reality

Leadership, Quality, And Buying Strength

Selling, Risk, And Market Direction

Book Vocabulary And Codified Lessons

Annotated Primary-Materials Index

Books And Authored Systems

• The Model Book of Greatest Stock Market Winners, 1971 bibliographic lead - O'Neil's model-book project is the claimed empirical root of CAN SLIM; use for provenance, not quotations, because full text was not source-visible.
• How to Make Money in Stocks, 1991 Internet Archive record - Earlier edition anchor for edition drift; restricted scan limits quotation work.
• How to Make Money in Stocks, fourth edition, McGraw Hill, 2009 - Best publisher page for core CAN SLIM structure, market-winner study framing, mistake curriculum, and table of contents.
• How to Make Money in Stocks, Google Books - Bibliographic cross-check for the 2009 edition and preview metadata.
• 24 Essential Lessons for Investment Success, McGraw Hill, 1999/2000 - Concise lesson-title map for system, emotion, relative strength, volume, charts, market health, sell rules, and IBD workflow.
• 24 Essential Lessons for Investment Success, Internet Archive - Restricted but useful record with a full contents string and publication metadata.
• The Successful Investor, McGraw Hill, 2003/2004 - Publisher record for O'Neil's post-bear-market book on avoiding big losses.
• The Successful Investor, Internet Archive - Restricted scan record exposing the core chapter sequence: market direction, 3-to-1 plan, buy timing, sell discipline, portfolio management.
• How to Make Money Selling Stocks Short, Google Books - Source-visible description and metadata for the O'Neil/Morales short-selling book.
• How to Make Money Selling Stocks Short, Wiley - Official publisher anchor for the short-selling title and edition data.

Interviews, Profiles, Videos, And Spoken Material

• Jack Schwager, Market Wizards interview, accessible PDF carrier - Major long-form interview on O'Neil's start, new-high buying, charts, concentration, cash, and common investor mistakes; final quoting should ideally be checked against an authorized edition.
• Motley Fool, "Bill O'Neil Interview, Part 2," June 25, 2002 - Full Q&A with O'Neil on sectors, low-quality stocks, institutional sponsorship, P/E skepticism, sell rules, market psychology, and old leaders.
• Motley Fool Part 1 dead/stale lead - The Part 2 page links to Part 1, but the live page was not recovered during this run; use Wayback/library access before quoting.
• Los Angeles Times, 1992, New USA launch profile - Independent source with O'Neil quotes on concentrated growth, public-record exposure, and the O'Neil Fund's small-stock/liquidity mistake.
• Los Angeles Times, 1998, David Ryan/New USA follow-up - Useful independent context on CAN SLIM, New USA, and Ryan; not rich in direct O'Neil quotes.
• Los Angeles Times, 2006, "The Profiting Prophet of Playa del Rey" - Best independent critical profile/interview for O'Neil's empirical self-description, commercial ecosystem, and unaudited-track-record caveat.
• IBD William O'Neil Interviews archive - Official index listing O'Neil interview videos, dates, and durations; useful as a roadmap, but visible transcripts were limited.
• IBD, "Bill O'Neil In-Depth Interview," May 30, 2017 - Official 22-minute archive page; transcript extraction requires separate review before direct quotation.
• IBD, "Interview with William J. O'Neil," May 30, 2017 - Official 14-minute archive page; useful future source for spoken wording.
• IBD, "How To Use How to Make Money in Stocks," May 30, 2017 - Official instructional video tied to the book; transcript not fully visible in this pass.
• IBD, "Common And Costly Investing Mistakes to Avoid," May 30, 2017 - Short official mistakes video; future transcript review could improve this file.
• MarketSurge Classics, "Master the Market with Scott O'Neil: Special Guest Bill O'Neil," 2013 - Official archive with a visible O'Neil quote on leadership replacement and long cycles.
• IBD Press Center articles/interviews index - Lead list for 2007-2013 appearances including MarketWatch, Forbes, radio, and other interviews; many live pages are partial or paywalled.

Official Method And Successor Doctrine

• William J. O'Neil legacy site - Official memorial, timeline, quote cards, model-book lineage, and company history; promotional but central for direct attributed snippets.
• O'Neil Securities, "Our History" - Official history with founder quote, Model Book/Daily Graphs/IBD lineage, and company context.
• William O'Neil + Co. 1960s heritage page - Official 60-year heritage page with direct marketplace-reality quote and early-method summary.
• William O'Neil + Co., "What We Do" - Current official statement of O'Neil Methodology, factor/data-science continuity, and institutional research positioning.
• IBD methodology overview - Current official four-pillar summary of fundamentals, technicals, market direction, and risk management.
• IBD welcome/CAN SLIM overview - Current IBD onboarding for CAN SLIM definitions, market routine, charts, lists, and disclaimers.
• IBD quarterly earnings lesson - Current source for "C" thresholds and the earnings/sales-growth emphasis.
• IBD market-direction lesson - Direct founder-attributed quote on needing a method for bull/bear market determination.
• IBD 7%-8% loss lesson - Affiliated doctrine for hard loss-cutting; exact page wording is institutional, not necessarily O'Neil personal speech.
• IBD taking-profits lesson - Founder-attributed "elevator" quote plus current 20%-25% profit-taking doctrine.

Attribution Watchlist And Dropped Leads

• Quote aggregators such as Goodreads, AZQuotes, QuoteFancy, TraderLion, and similar pages were used only as leads. They should not be cited as origins.
• "The whole secret to winning big..." appears widely and is plausibly O'Neil-attributed, but no source-visible primary page was verified in this run.
• "Charts are your investment road map," "Volume is the fuel," and "What seems too high usually goes higher" appear in quote-chain settings; keep them out until matched to a book or interview page.
• TurtleTrader carries a useful Schwager/O'Neil excerpt, but final canonical quotations should prefer the authorized Market Wizards book or a publisher-controlled preview when available.
• IBD video pages show a "Read Transcript" affordance, but the transcript body was not reliably visible in static HTML. Treat those pages as primary-material leads, not quote sources.

Context Caveats

• O'Neil's influence is better documented than his complete lifetime personal trading record. The Los Angeles Times noted in 1992 that the New USA fund would expose a public track record because O'Neil's own finances were private.
• The 1960s O'Neil Fund and the 1990s New USA record belong beside any motivational quote bank: both show that a personal-account system was harder to implement in public-fund form.
• FINRA BrokerCheck showed no disclosed individual events for William Joseph O'Neil in the available source checks, while O'Neil Securities has firm-level regulatory events, including a 2023 FINRA censure/fine. Do not turn firm-level events into personal misconduct claims.
• Current IBD, William O'Neil + Co., MarketSurge, O'Neil Securities, and O'Neil Global Advisors pages are affiliated and commercial. They are strong for method lineage and internal vocabulary, but weak as independent performance validation.
• Post-founder pages include modern product, AI, data-science, quantitative, and platform language. Do not retroactively attribute all current wording to O'Neil personally.

As of: 2026-07-10T22:53:59Z
Task: T0402 F-key-writings
Investor: 050-william-oneil

Evidence Boundary

William J. O'Neil died on May 28, 2023, age 90, so current-status checks are used only to verify legal, ownership, and registration context around his writings and successor entities, not to infer anything about present authorship. SMU independently confirms the death date and lists the main books; William O'Neil + Company gives the affiliated memorial chronology; FINRA and SEC/IAPD records show the founder was not currently registered in the available individual records and had no disclosed individual events, while O'Neil Securities has firm-level regulatory events that should not be conflated with personal O'Neil misconduct (SMU, BusinessWire, FINRA individual report, SEC/IAPD individual report, FINRA firm report, FINRA July 2023 disciplinary actions).

For this F-file, "writings" includes books by O'Neil, coauthored books, firm-published model books and chart books central to the O'Neil method, and IBD/O'Neil ecosystem materials that preserve his teaching. This is necessary because O'Neil's intellectual output was distributed through books, model charts, newspapers, chart services, seminars, videos, and later web products rather than through a single memoir or academic corpus. Affiliated sources are useful for bibliography and stated doctrine, but performance claims and implementation claims need independent checks.

Works By O'Neil And The O'Neil Ecosystem

1. The Model Book Of Greatest Stock Market Winners

The thinnest-access but most important primary root is The Model Book of Greatest Stock Market Winners. Google Books records the 1971 William O'Neil & Co. bibliographic entry at 243 pages, and the O'Neil legacy site says the model-book work grew from empirical studies of past stock-market winners and ultimately supported eight editions of model books (Google Books, O'Neil legacy site). The company's 1970 heritage page also places Datagraphs, the first model book, and Daily Graphs in the same early-1970s build-out of the method (William O'Neil + Co. 1970 heritage).

Central thesis: a repeatable growth-stock method can be built by studying the largest historical winners before their advances and extracting recurring fundamental, technical, and sponsorship traits.

Key ideas:

1. Historical precedent is the research engine. O'Neil treats prior big winners as the raw data for rules, not as colorful anecdotes.
2. The model book is hypothesis-generating evidence. It shows what past winners looked like, but it is not itself a prospective audit of investable returns.
3. Charts and fundamentals are inseparable in the method. The model-book tradition studies earnings, sales, volume, price movement, sponsorship, industry leadership, and base patterns together.
4. The "new high" bias is explicit. The method looks for strength emerging from constructive bases rather than stocks that merely appear cheap.
5. The O'Neil research product was visual and database-driven from the start. Model charts, Datagraphs, and Daily Graphs are part of the same written system.
6. Selection bias is the core weakness. Starting with great historical winners risks survivorship and lookback bias unless later tested prospectively.

Best sections to mine: the original and later model charts, if a full physical or licensed digital copy is available; any pages that record earnings, sales, relative strength, volume, float/supply, sponsorship, industry group, and base structure at the pre-breakout point. Current web evidence is enough to establish methodological importance, but not enough for heavy quotation or page-specific analysis.

2. Datagraphs, Daily Graphs, MarketSmith, And MarketSurge Materials

O'Neil's writings are partly a data-and-chart publishing system. His founder bio says he copyrighted the Datagraph format in 1972 and founded Daily Graphs, later MarketSmith, to give investors organized chart and fundamental information (William O'Neil + Co. founder bio). The official legacy site and O'Neil Securities history connect Datagraphs, Daily Graphs, O'Neil Data Systems, Investor's Daily, and later Investors.com/MarketSmith products to the same research lineage (O'Neil legacy site, O'Neil Securities history). PR Newswire's 2010 MarketSmith launch release described MarketSmith as a continuation of Daily Graphs-style chart, screen, and model workflow (PR Newswire).

Central thesis: investors can improve decisions by organizing price-volume behavior, earnings data, industry leadership, and market context into a standardized visual research format.

Key ideas:

1. O'Neil's system is operational. It is not just book doctrine; it demands a repeatable weekly and daily research routine.
2. The chart page is a written argument. A Datagraph or Daily Graph compresses the thesis into data fields and patterns.
3. Screening is subordinate to judgment. Lists and ratings identify candidates, but base quality, market direction, and sell discipline still decide action.
4. Market leadership changes by cycle. The tool ecosystem is built to surface new leaders rather than defend old favorites.
5. The commercial ecosystem can bias presentation. Official platform pages are excellent for method vocabulary and continuity but not independent proof of alpha.

Best sections to mine: historical Datagraph pages, Daily Graphs model stock pages, MarketSmith/MarketSurge tutorials on base patterns, IBD 50 construction notes, and any archived O'Neil presentations tied to model-book stocks. Use post-2021 IBD/MarketSurge material with an ownership caveat because News Corp acquired IBD from O'Neil Capital Management in 2021 (News Corp announcement, News Corp completion announcement).

3. How To Make Money In Stocks

How to Make Money in Stocks is the flagship public text. McGraw Hill's fourth-edition page gives the 2009 publication record, ISBN 9780071614139, and a table of contents organized around CAN SLIM, chart reading, sell rules, diversification, margin, short selling, sectors, and model-book examples (McGraw Hill). Google Books describes the fourth edition as a seven-step system based on studying market winners from 1880 to 2009 (Google Books). Internet Archive records earlier editions, including a 1991 revised first-edition record and a 2002 McGraw-Hill record, but the scans are access-restricted in this run (Internet Archive 1991, Internet Archive 2002).

Central thesis: individual investors should buy leading growth stocks with superior earnings and sales, strong price-volume action, institutional demand, and constructive market context, then control risk with hard sell rules.

Key ideas:

1. CAN SLIM is the main framework: current quarterly earnings, annual earnings, new products or new highs, supply and demand, leader-or-laggard status, institutional sponsorship, and market direction.
2. Buy strength emerging from bases. O'Neil's method is explicitly anti-bargain-hunting when cheapness conflicts with leadership.
3. Market direction matters. The "M" component prevents the book from being only a stock-selection manual.
4. Loss-cutting is doctrine, not housekeeping. The book's sell-rule chapters are as central as its buy-rule chapters.
5. Price and volume are evidence of institutional behavior. O'Neil reads accumulation and distribution as supply-demand signals.
6. Chart patterns are practical decision tools. Cup-with-handle and related bases are not decorative; they determine timing and risk.
7. Concentration and selectivity are implied. The system prefers a short list of superior candidates to broad, unfocused diversification.
8. The method is commercially teachable but difficult. LA Times profiles show the same method powering seminars, IBD, funds, and tools, while also raising the issue that ordinary investors may not execute it consistently (LA Times 2006).

Best chapters: Part I, chapters 1-7, for the complete CAN SLIM doctrine; chapters on chart reading, market direction, loss-cutting, and profit-taking for the operating rules; and the model-book chapter for the bridge back to historical winners. This is the best first source for any future Canon synthesis of O'Neil's method.

4. 24 Essential Lessons For Investment Success

McGraw Hill lists 24 Essential Lessons for Investment Success with ISBN 9780071357548 and a late-1999/2000 publication context; Internet Archive preserves a restricted bibliographic record (McGraw Hill, Internet Archive). MarketSurge later built webinars around the book's lessons, demonstrating its status as a compact teaching text in the O'Neil ecosystem (MarketSurge webinars).

Central thesis: the O'Neil method can be taught as a sequence of simple habits and rules: stop emotional decision-making, find true leadership, use charts and volume, align with market health, and sell correctly.

Key ideas:

1. Rules exist to defeat emotion. The lesson format turns a complex method into checklists and routines.
2. Relative strength and volume are emphasized as institutional-demand signals.
3. Earnings quality and growth remain the first screen for serious candidates.
4. Chart patterns define when a stock is actionable rather than merely interesting.
5. Market tops and bottoms require separate study; the investor should not assume a good company is enough.
6. Portfolio management and sell rules are part of the method, not afterthoughts.
7. The work is less comprehensive than How to Make Money in Stocks but more usable as a quick operating manual.

Best chapters or lessons: the lessons on relative strength, volume and sponsorship, chart patterns, market health, market tops and bottoms, and sell rules. This is the best compressed companion to the flagship book.

5. The Successful Investor

McGraw Hill's record for The Successful Investor lists ISBN 9780071429597 and a 2003 publication date, with the subtitle focused on what successful investors know and what investors need to know (McGraw Hill). Apple Books frames the book as post-crash guidance on avoiding large losses, timing buys and sells, recognizing chart patterns, and managing portfolios (Apple Books). Internet Archive records a restricted scan with a chapter sequence beginning with market direction, a 3-to-1 profit-and-loss plan, buying, selling, and portfolio management (Internet Archive).

Central thesis: the investor's first job is to avoid large losses and operate from a defined plan for market direction, buying, selling, and portfolio management.

Key ideas:

1. General-market direction comes first. This makes the book useful for understanding O'Neil's top-down risk switch.
2. The 3-to-1 framing balances expected reward against allowed loss.
3. Buy and sell rules are paired. A buy decision is incomplete without the exit plan.
4. The book is deliberately more rules-heavy than narrative-heavy, consistent with O'Neil's desire to remove emotion from the process.
5. It likely responds to the 2000-2002 bear market context by stressing downside control.
6. The book is best read after How to Make Money in Stocks, as a narrower execution and discipline manual.

Best chapters: market direction; the 3-to-1 plan; buying; selling; and portfolio management. For mistakes and loss-control work, this may be more directly useful than the flagship book.

6. How To Make Money Selling Stocks Short

O'Neil coauthored How to Make Money Selling Stocks Short with Gil Morales. Google Books and Wiley metadata identify the Wiley title and O'Neil/Morales authorship; Google Books' preview metadata points to sections on short-sale anatomy and model short-sale examples (Google Books, Wiley). Internet Archive has a restricted record (Internet Archive).

Central thesis: the same price-volume, historical-model, and rule-based logic that identifies leaders can also identify failing leaders and late-stage topping patterns, but short selling is advanced and riskier.

Key ideas:

1. Short selling is pattern recognition on the downside, not simple pessimism.
2. Failed rallies, broken moving averages, late-stage bases, and head-and-shoulders patterns matter because they show changed sponsorship and supply-demand balance.
3. The method is still historical: study great short-side precedents to recognize current opportunities.
4. Timing and risk control are even more important on the short side because losses can be open-ended.
5. The book is best treated as an advanced supplement, not a starting point for ordinary investors.
6. Coauthorship means specific claims should be attributed to O'Neil/Morales unless independently tied to O'Neil.

Best sections: "Anatomy of a Short Sale" and the model short-sale examples. Use alongside How to Make Money in Stocks chapters on market direction and selling.

7. IBD Articles, Interviews, Videos, And Republished Case Studies

IBD maintains an author archive for William J. O'Neil, including "America's Greatest Opportunities" stock-winner case studies and current pages attributed to him (IBD author archive). Examples include historical-winner studies of EMC, Amgen, and Chrysler (EMC, Amgen, Chrysler). IBD also maintains an O'Neil video/interview category and individual pages such as a 2009 interview about the new edition of How to Make Money in Stocks (IBD interview archive, 2009 interview page).

Central thesis: the case-study articles and videos extend the model-book tradition into newspaper and web education, using historical winners to teach the same rules.

Key ideas:

1. These materials are best used as applied examples of O'Neil's pattern language.
2. They can show how the method treats individual stocks, especially base patterns and institutional demand.
3. Static pages often lack full transcripts or are subscription-limited, so avoid relying on them for precise quotation unless a transcript is visible.
4. Many pages have posthumous publication or update dates. Treat the current date as archive metadata, not proof that O'Neil wrote or revised the piece in that year.
5. After News Corp's 2021 acquisition, IBD pages remain useful O'Neil-system sources but are no longer under O'Neil Capital ownership.

Best sections to mine: fully visible article bodies in the "America's Greatest Opportunities" series; video pages with visible transcripts or captions; MarketSurge Classics sessions that explicitly list William J. O'Neil and model-book stocks, with member-only caveats (MarketSurge Classics).

Best Works About O'Neil And CAN SLIM, Ranked

1. Jack Schwager, Market Wizards Interview

Schwager's O'Neil interview is the most important outside interview because it captures O'Neil explaining his formative rejection of low-price, low-P/E, and conventional bargain logic in favor of new highs, bases, earnings growth, and chart evidence. I could not verify an official publisher-hosted full text in this run; the accessible TurtleTrader excerpt and prior source-map PDF carrier should be treated as source leads, with any final quotation checked against an authorized copy of Market Wizards (TurtleTrader excerpt, O'Neil legacy site). Use this for first-person method history, not audited performance.

2. Motley Fool 2002 Interview

The Motley Fool's 2002 Q&A is the best source-visible interview opened in this run. O'Neil frames the book's rules as historically derived, rejects low-quality low-priced stocks, emphasizes leading companies in leading sectors, de-emphasizes P/E as a primary anchor, and stresses market direction and written sell rules (Motley Fool). It is admiring and partly promotional, but the Q&A format makes it valuable own-words evidence.

3. Los Angeles Times 2006 Profile

The 2006 LA Times profile is the best critical narrative about the O'Neil ecosystem. It presents the CAN SLIM subculture around books, charts, bases, cup-with-handle patterns, workshops, and rule-following, while stressing two critical caveats: no formally audited personal record and a method that may be too demanding for many ordinary investors to follow consistently (LA Times 2006). Use it whenever the writings risk sounding too self-certifying.

4. Los Angeles Times 1992 And 1998 Fund Coverage

The 1992 LA Times New USA profile is the best contemporaneous public-money caveat. It links the commercial book/seminar/research empire to a live mutual-fund test, reports the earlier O'Neil Fund's boom and collapse, and gives O'Neil's liquidity/capacity explanation for why small-stock sell rules became hard to execute at fund scale (LA Times 1992). The 1998 LA Times follow-up adds David Ryan transmission context and records benchmark-sensitive New USA results that complicate simple claims about method superiority (LA Times 1998).

5. Larry Swedroe, CBS MoneyWatch Critique

Swedroe's CBS MoneyWatch critique is the sharpest skeptical piece because it separates a paper strategy from the after-cost, real-money experience of products tied to CAN SLIM or O'Neil's public-money efforts (CBS MoneyWatch). Use it to discipline claims about backtests, model books, and strategy descriptions. It is a critique, not a full archival fund study, so pair it with primary filings and contemporaneous coverage where possible.

6. North And Stevens, Financial Services Review, 2015

North and Stevens' 2015 paper on AAII stock screens is the best academic source for testing mechanical screen versions of CAN SLIM-style ideas across market environments (PDF). The key lesson is nuanced: CAN SLIM-like screens can look impressive, but transaction costs, account size, benchmark fit, median outcomes, and factor controls materially reduce the headline message. It supports O'Neil's intuition that combined growth/momentum screens can find winners, while warning against naive gross-return conclusions.

7. Schadler And Cotten, Financial Services Review, 2008

Schadler and Cotten's earlier AAII-screen work is important because later screen studies build on it and because it imposes transaction-cost and benchmark discipline (journal PDF). Direct extraction was weak in this run, so cite cautiously or through North and Stevens unless the paper is re-opened and checked.

8. Rick Ferri, Serious Money

Ferri's Serious Money is a useful practitioner critique of the implementation gap. It treats the O'Neil method as carefully researched in theory but points to New USA's real-money record, high expenses, high turnover, and trading-cost drag as reasons not to confuse system appeal with investor outcome (Ferri PDF). Use it as a secondary critique, not as a definitive fund-performance audit.

9. Factor Literature: Momentum, New Highs, And Earnings Drift

The strongest independent support for parts of CAN SLIM comes from broader factor literature rather than O'Neil-specific studies. Jegadeesh and Titman support intermediate-horizon momentum; George and Hwang support nearness to 52-week highs as a return signal; Bernard and Thomas support post-earnings-announcement drift; Bhushan cautions that trading costs and frictions matter for translating earnings-drift evidence into investor profits (Jegadeesh and Titman, George and Hwang, Bernard and Thomas 1990, Bernard and Thomas 1989 listing, Bhushan). These papers validate ingredients, not the full CAN SLIM recipe.

10. Portfolio123 And Investable Product Evidence

Yuval Taylor's Portfolio123 critique is a useful modern quant attempt to encode stricter CAN SLIM rules and test them, with the caveat that it is a practitioner blog rather than peer-reviewed research (Portfolio123). The IBD 50 ETF/FFTY materials are useful investable-product evidence because they show ongoing O'Neil/IBD-style selection translated into an ETF with expenses, turnover, spreads, and real returns (CapForce FFTY, Schwab FFTY report). Use these as implementation checks, not as direct evaluations of O'Neil's personal writings.

11. Obituaries And Business Histories

BusinessWire, the O'Neil legacy site, SMU, IBD, WealthManagement/Bloomberg, News Corp, and official affiliate pages are important for chronology, institutional context, book lists, ownership changes, and successor entities (BusinessWire, O'Neil legacy site, SMU, IBD obituary, WealthManagement/Bloomberg, News Corp, O'Neil Capital, William O'Neil + Co. affiliates). They are not neutral validation of performance claims.

How To Read O'Neil's Writings

The writings are most coherent when read in this sequence: first, the model-book and Datagraph/Daily Graph lineage to understand the research substrate; second, How to Make Money in Stocks for the full public system; third, 24 Essential Lessons and The Successful Investor for condensed execution discipline; fourth, the short-selling book for downside-pattern logic; fifth, IBD article/video archives for applied historical examples.

The most important interpretive caution is that O'Neil's writings combine legitimate empirical curiosity with a commercial education and data business. The strongest parts of the canon are the insistence on evidence, market leadership, institutional demand, market direction, and sell discipline. The weakest evidentiary parts are personal-account legends, post-hoc model-book winner studies, and strategy claims that do not net out transaction costs, taxes, turnover, liquidity, account size, and human execution error. Independent sources repeatedly support the idea that momentum, new highs, earnings surprise, and relative strength have empirical content; they do not prove that a retail reader of the books can reproduce O'Neil's claimed personal results.

For future Canon work, avoid treating "O'Neil said it" as proof of performance. Treat the books as primary doctrine, the model books as source material for pattern vocabulary, the fund and ETF records as implementation stress tests, and the academic literature as partial validation of ingredients.

Open Questions And Leads

1. Locate a full authorized copy of The Model Book of Greatest Stock Market Winners and any later model-book editions. Current web evidence confirms importance but not enough detail for page-level analysis.
2. Verify the exact original publication dates and editions for all IBD "America's Greatest Opportunities" articles; many current pages appear republished or updated after O'Neil's death.
3. Re-open official video pages with transcript or caption access, especially the 2009 O'Neil interview, "Bill O'Neil In-Depth Interview," and MarketSurge Classics sessions.
4. Obtain original O'Neil Fund and New USA reports to separate author-method claims from investable performance.
5. Check authorized editions of Market Wizards before quoting Schwager/O'Neil wording directly.
6. Reconcile edition-specific page counts and publication metadata across McGraw Hill, Google Books, Internet Archive, Wiley, and library records.

Task: T0403 | Investor: 050-william-oneil | Code: G-mental-models
As of: 2026-07-11T02:55:10Z

Evidence boundary

William J. O'Neil died in 2023. As of 2026-07-11, FINRA BrokerCheck lists the individual William J. O'Neil / William Joseph Oneil, CRD 352887, as not currently registered, with no individual disclosure events; SEC IAPD likewise lists him as not currently registered as an investment adviser representative and with no representative disclosure events (Business Wire, FINRA individual BrokerCheck PDF, SEC IAPD individual report). Firm-level records should not be conflated with O'Neil personally: O'Neil Securities, CRD 894, has final regulatory events, including a May 2023 FINRA AWC with a censure and $30,000 fine for books-and-records and supervision issues around two private securities transactions; the firm consented without admitting or denying the findings, and the matter was not an individual O'Neil disclosure (FINRA firm BrokerCheck PDF, FINRA July 2023 disciplinary actions).

The mental model below is a reconstruction, not a claim that O'Neil wrote a single formal checklist. It triangulates his books and IBD materials, public descriptions of current IBD methodology, public-product documents, firm materials, and independent academic or practitioner evidence. O'Neil's personal performance record remains partly anecdotal and unaudited in public files. The implementable lesson is therefore less "copy the exact legend" and more "understand the operating system: empirical growth-momentum selection, chart-timed entry, market-direction gating, hard sell discipline, and relentless post-analysis."

There is also a current ownership boundary. Investor's Business Daily was acquired by News Corp in 2021 for $275 million and operates within Dow Jones; post-acquisition IBD decisions are News Corp/Dow Jones matters, not personal decisions by O'Neil or O'Neil Capital (News Corp announcement, News Corp completion release). O'Neil Capital still describes itself as the O'Neil family office with affiliates including O'Neil Global Advisors, William O'Neil + Company, and William O'Neil Securities, but those successor entities are distinct from O'Neil's personal trading record (O'Neil Capital, William O'Neil + Company affiliates).

Named heuristics and frameworks

1. Model-book empiricism

O'Neil's first mental model is historical pattern induction. Instead of beginning with valuation theory, he built model books of past stock-market winners and asked what shared facts existed before their advances. The public memorial site describes his study of top winners, the Model Books, Daily Graphs, and later IBD products as extensions of the same data-and-chart project (William J. O'Neil legacy site). The 2009 fourth edition metadata for How to Make Money in Stocks says the system came from studying winning stocks from 1880-2009 and teaching CAN SLIM through annotated charts (Google Books - How to Make Money in Stocks).

Operationally, this model says: do not buy an abstract story; buy a stock whose current facts rhyme with prior extreme winners. The danger is that model books can encode survivorship and lookback bias unless tested on point-in-time data.

2. CAN SLIM as a compact scoring language

CAN SLIM is O'Neil's best-known compression of the model-book lesson. The framework ranks candidates by current earnings, annual earnings, new products or highs, supply/demand, leadership, institutional sponsorship, and market direction. IBD's current methodology page describes its process as combining fundamentals, technicals, market direction, and risk management, with roots in O'Neil's historical analysis (IBD methodology). A current CapForce IBD 50 index-construction document operationalizes the public-product version with a universe near 7,000 U.S. listed securities, a minimum $15 share price, 300,000-share average daily volume, proximity to the 52-week high and 50-day moving average, and ranking inputs including EPS, relative price strength, sales/margins/ROE, accumulation/distribution, and industry strength (CapForce IBD 50 index construction).

The mental move is to treat growth and price strength as confirming signals, not substitutes. O'Neil wanted both, and he wanted them before the move had become obvious.

3. Leadership over cheapness

O'Neil's system is anti-bargain-hunting. In a Motley Fool interview, he argued against relying on P/E, dividends, or book value as primary selection tools, and he emphasized institutional demand as the force behind large moves (Motley Fool interview). This does not mean valuation never matters; it means valuation was not the entry point. The first question was whether the company was becoming a leader in earnings, sales, margins, industry strength, and price action.

This creates a distinctive mental model: the investor is paid less for statistical cheapness than for identifying the next institutional accumulation campaign.

4. Market direction gate

The "M" in CAN SLIM is not decorative. O'Neil's system gates exposure through market health. IBD materials describe market analysis through uptrends, corrections, follow-through days, and distribution days, with charts used to decide when to buy and sell (IBD routine, IBD methodology). The rule is probabilistic: even the best stock has a lower success rate when the broad market is under distribution or in a correction.

This is one of the most important differences between O'Neil and many factor investors. A factor portfolio may stay systematically invested. O'Neil's trader can hold cash, cut exposure, and wait for the market to prove that risk appetite has returned. Mutual fund and ETF wrappers often dilute this freedom.

5. Buy point, base, and demand confirmation

O'Neil's entry model is neither "buy any good company" nor "buy any breakout." The stock should form a constructive base, then break out through a proper buy point on convincing volume. The current IBD 50 methodology still reflects this by screening for stocks near highs and their 50-day average, removing securities that show certain topping behavior, and using accumulation/distribution and industry strength in ranking (CapForce IBD 50 index construction). The buy point is intended to be an evidence point: institutions are voting with money.

The practical discipline is to avoid buying too early, when the base is unfinished, and too late, when the stock is extended. The attractive window is narrow because the stop rule is narrow.

6. Hard loss cap

The most famous risk-control heuristic is the 7%-8% sell rule. IBD repeatedly teaches that losses should be cut quickly, and its profit-taking article pairs a roughly 7% loss limit with the 20%-25% profit zone (IBD taking profits, IBD sell-rule example). The mental model is asymmetric survival: a great year can be ruined by a few tolerated losses, while a disciplined trader can re-enter later if the thesis repairs itself.

The exact 7%-8% number is more practitioner rule than independently proven optimum. It works as a behavioral guardrail because it is simple, pre-committed, and small enough to prevent a single position from dictating the portfolio.

7. Staged conviction

O'Neil's system is not a one-shot bet. The reconstructed rule is to start with a position that is meaningful but survivable, then add only after the market confirms the thesis. Add-on buys happen after strength, such as a constructive secondary entry, not after weakness. Averaging down is conceptually inconsistent with the system because it rewards disconfirming evidence.

This staged model is a bridge between discretionary trading and systematic risk management. It allows concentration in winners while forcing the position to earn more capital.

8. Sell strength, not only weakness

O'Neil's sell discipline has two sides. Weakness triggers loss cutting or defensive exits; strength can trigger profit protection. IBD's public rule of thumb says many growth-stock gains should be taken around 20%-25%, with an exception for stocks that advance more than 20% within about three weeks of breakout, where the investor may hold longer under the eight-week rule (IBD taking profits). This is not pure trend following. It is a hybrid: capture intermediate growth-stock moves, avoid round trips, and reserve the right to hold the rare exceptional winner.

9. Short-side anatomy

O'Neil's 2004 book with Gil Morales on short selling treats shorting as a separate specialty that requires market context and pattern recognition, not merely a mirror image of buying (Google Books - How to Make Money Selling Stocks Short). The mental model is that former leaders eventually form tops, break moving averages, and fail rallies. But shorting carries timing, borrow, squeeze, and unlimited-loss risks that make it far less transferable than the long-side checklist.

10. Post-analysis loop

The final model is deliberate practice. The O'Neil legacy materials emphasize chart study and review of mistakes; the broader IBD teaching system is built around recurring routines, watchlists, and annotated examples (William J. O'Neil legacy site, IBD routine). In practical terms, every completed trade becomes a new chart in the investor's own model book: entry, add-ons, sells, market state, volume, earnings facts, and emotional errors are reviewed after the fact.

Reconstructed decision checklist

0. Maintain the laboratory

Before looking for a new buy, maintain a watchlist and model book. Update screens for earnings growth, sales growth, return on equity or margin quality, relative price strength, industry strength, volume trends, and proximity to highs. O'Neil's publishing ecosystem made this routine scalable through Daily Graphs, IBD, MarketSmith/MarketSurge-style charting, model books, and ratings (William J. O'Neil legacy site, IBD home, MarketSurge app listing).

1. Ask whether the market permits risk

Classify the broad market before buying. The system is most open to new buys after a confirmed uptrend and most defensive during correction or heavy distribution. Follow-through days and distribution days are not perfect signals, but they force the investor to ask whether institutional money is supporting or selling the market (IBD methodology, IBD routine).

Operational rule: no matter how attractive a stock looks, reduce new buying when the market is hostile. Raise cash and sell laggards when distribution accumulates. A trader can be wrong on individual stocks; being wrong on market direction and concentrated growth exposure is more dangerous.

2. Screen for exceptional current facts

The candidate should show materially superior current earnings growth, sales growth, margin quality, and return on equity, not just a cheap multiple. IBD's current materials and the IBD 50 construction document retain this emphasis through EPS, sales/margins/ROE, relative strength, accumulation/distribution, and industry strength inputs (IBD methodology, CapForce IBD 50 index construction).

Operational rule: reject merely average companies. O'Neil wanted outlier candidates because the system's winners must pay for many small losses and false starts.

3. Confirm leadership and sponsorship

Prefer leading stocks in leading industry groups. Avoid making the weakest stock in a strong theme a substitute for the real leader. Institutional sponsorship matters because large advances require large pools of capital, but sponsorship should be constructive, not exhausted. O'Neil's public comments emphasized institutional buying as the "big money" behind major moves (Motley Fool interview).

Operational rule: the stock should be outperforming the market and peers before purchase. Laggards are not bargains in this framework; they are evidence that the market has chosen other leaders.

4. Wait for a proper setup

Do not buy simply because the screen likes the stock. Wait for a base, pivot, or other constructive entry where price and volume suggest demand is overwhelming supply. In current public index form, O'Neil-derived selection still uses proximity to the 52-week high, proximity to the 50-day moving average, trend health, and topping filters (CapForce IBD 50 index construction).

Operational rule: buy as close to the valid buy point as practical. Avoid chasing far above the pivot, because the stop distance becomes too large or the position becomes easy to shake out.

5. Size for being wrong first

Before entry, define the maximum acceptable loss. If the stop is 7%-8%, position size should make that loss tolerable at the portfolio level. In weaker markets, a tighter loss limit or smaller position may be required. The system's psychological edge is that a wrong trade is ordinary, small, and quickly replaced by a new candidate.

Operational rule: the first position is a pilot with teeth, not a token and not a portfolio-defining bet. It must be large enough to matter if right and small enough to exit if wrong.

6. Add only after proof

Increase exposure only after the position works. Possible add-on points include secondary bases, pullbacks to major moving averages in a healthy advance, or other constructive re-entry patterns. The key is that new capital follows confirming evidence. Buying more because the price fell and the story still feels right violates the loss-control core.

Operational rule: average up selectively; do not average down.

7. Sell without negotiation when the thesis fails

If the stock breaks the loss limit, sell. If market conditions deteriorate, sell weaker positions first and reduce new buying. If the stock shows abnormal downside volume, failed breakout behavior, or repeated support breaks, do not let the fundamental story override the price evidence. IBD's sell-rule materials frame sitting with losses as one of the central avoidable mistakes (IBD sell-rule example).

Operational rule: sell rules are pre-commitments, not suggestions for after the investor is emotionally attached.

8. Protect successful trades

If a stock advances 20%-25% from a proper breakout, consider taking profits unless it qualifies as an exceptional fast mover under the eight-week concept. Watch for climax behavior, excessive extension, heavy-volume reversals, and repeated distribution. The current IBD 50 index document's topping filters show how the O'Neil tradition tries to distinguish sustainable strength from climactic strength (CapForce IBD 50 index construction, IBD taking profits).

Operational rule: the purpose is not to sell every winner too early; it is to prevent a good gain from becoming a round trip while leaving room for the rare truly exceptional leader.

9. Treat shorting as advanced and conditional

Short only in a market that supports short exposure, and only when a former leader shows topping or breakdown behavior. The short-side book frames the practice as requiring specialized knowledge and market conditions, not as a casual add-on to the long strategy (Google Books - How to Make Money Selling Stocks Short).

Operational rule: most investors should master the long-side loss rules before attempting short sales.

10. Review and encode errors

After every closed trade, mark the chart. Record whether the market was in an uptrend, whether the base was proper, whether volume confirmed the breakout, whether the position was extended, where the stop was placed, whether the sell was followed, and what emotion interfered. This turns mistakes into a personal database rather than vague regret.

Operational rule: the model improves through reviewed errors. The trader who refuses to study losses cannot compound skill.

Empirical support and evidentiary limits

The strongest independent support is for ingredients, not the whole recipe. Momentum has robust academic backing: Jegadeesh and Titman found that buying recent winners and selling recent losers produced significant positive returns over 3- to 12-month horizons, though returns partly reversed later (Jegadeesh and Titman 1993). The 52-week-high concept also has support: George and Hwang found that nearness to the 52-week high helps explain momentum profits and predicts future returns (George and Hwang 2004). Earnings surprise drift is another related anomaly: a review article describes post-earnings-announcement drift as price movement in the direction of earnings surprises after announcements (PEAD review).

These findings support O'Neil's preference for price strength, new highs, and earnings acceleration. They do not prove that a cup-with-handle pattern, a 7%-8% stop, or a 20%-25% profit target is mathematically optimal. The cleanest statement is: the broad concepts of momentum, leadership, and earnings acceleration are well supported; O'Neil's exact thresholds and chart taxonomies are practitioner heuristics that require execution skill.

Evidence on CAN SLIM-like screens is mixed. North and Stevens tested AAII-style CAN SLIM variants and found that transaction costs materially reduced significance, supporting caution about friction and implementation (North and Stevens AAII CAN SLIM paper). A Portfolio123 analysis describes the coding challenge around leadership, sponsorship, and market timing, reinforcing that public screens approximate the O'Neil process rather than reproduce it (Portfolio123 CAN SLIM guide).

Failure modes of the model

False breakouts and whipsaw

The model buys strength. That means it will often buy near local highs. If the breakout fails, the investor takes a small loss. In choppy markets, repeated small losses can accumulate. This is the cost of requiring price confirmation rather than buying weakness.

Mitigation: use market-direction gating, avoid extended entries, demand convincing volume, and reduce size when conditions are poor.

Survivorship, lookback, and pattern overfitting

Model-book research starts with winners. That is powerful for training recognition, but it can overstate the predictive value of visible traits unless failed lookalikes are studied with equal discipline. Chart patterns are especially vulnerable to hindsight: a base looks obvious after the breakout succeeds.

Mitigation: maintain a failure book alongside the winner book. Record failed breakouts, not only great winners.

Exact-rule fragility

The 7%-8% stop, 20%-25% profit zone, buy-point limits, and pattern definitions create consistency. But markets differ by volatility regime, sector, liquidity, tax status, and trading costs. A rule that is behaviorally useful may not be universally optimal.

Mitigation: distinguish inviolable principles from parameter choices. "Keep losses small" is the principle; "7%-8%" is an implementation parameter.

Capacity and liquidity

O'Neil's own public-fund history shows that capacity matters. A 1992 Los Angeles Times article revisiting the earlier O'Neil Fund reported that the fund had peaked near $49 million, shrank to $6 million, and was sold in 1975; it attributed part of the problem to small, illiquid growth stocks and rapid asset growth that made selling hard. The same article reported that New USA had already raised about $170 million before trading and would not strictly follow the 7%-8% loss-cutting rule, showing how fund scale and structure diluted the original method (Los Angeles Times).

Mitigation: keep position sizes and market-cap choices consistent with the ability to exit. Do not treat micro-cap or thinly traded breakouts as interchangeable with liquid leaders.

Wrapper mismatch

The pure O'Neil trader can go to cash, concentrate, sell quickly, and re-enter. Mutual funds and ETFs often cannot replicate that flexibility. The 2019 CAN SLIM Select Growth Fund summary prospectus said the fund attempted to imitate the CAN SLIM Select List but was not an index fund and did not fully replicate the list; it also allowed up to 80% cash, typically 50-100 positions, initial positions generally no greater than 5%, and 183% turnover in the most recent fiscal year (SEC CANGX summary prospectus). Its 2018 average annual returns lagged the S&P 500 over the one-, five-, and ten-year periods shown in that filing.

Mitigation: when evaluating O'Neil-derived products, separate the method from the wrapper. Fees, turnover, cash policy, diversification rules, flows, and benchmark constraints can dominate the underlying idea.

Turnover, tax, and cost drag

O'Neil-style trading can generate high turnover. Current and historical public products illustrate the issue. The Innovator SAI showed Innovator IBD 50 ETF turnover of 1,304% for fiscal 2024 and 1,209% for fiscal 2025 (Innovator SAI). The current CapForce FFTY page reports a 0.80% expense ratio, weekly rebalancing, and, as of 2026-06-30, since-inception NAV return of 5.65% versus 14.05% for the S&P 500 TR benchmark (CapForce FFTY details). A strategy can be directionally right and still disappoint after fees, spreads, market impact, taxes, and poor investor timing.

Mitigation: include costs in the checklist. A taxable investor should be especially careful about turnover and short-term gains.

Regime dependence

The model is naturally tilted toward growth leadership. It should perform best when the market rewards earnings acceleration, new products, and momentum. It can struggle when leadership is defensive, valuation compression dominates, interest rates pressure long-duration growth stocks, or factor reversals punish recent winners.

Mitigation: let the market-direction gate and individual sell rules reduce exposure when the regime is hostile. Do not force new buys simply because the screen keeps producing names.

Product and publication conflicts

IBD, MarketSurge, IBD Live, William O'Neil + Company, O'Neil Global Advisors, and O'Neil Securities are commercial ecosystems around O'Neil-derived research and tools. Their materials are useful for reconstruction, but they are not neutral academic evidence. IBD pages also carry informational and non-recommendation disclaimers (IBD obituary/disclaimer page, O'Neil Global Advisors terms).

Mitigation: use IBD materials to reconstruct the method; use independent evidence and live product records to test transferability.

Transferability

What an individual investor can replicate

An individual can replicate the discipline layer. The most transferable parts are:

• Run screens for accelerating earnings, sales growth, relative strength, industry leadership, liquidity, and institutional accumulation.
• Maintain watchlists and annotated charts.
• Buy near planned entries rather than chasing.
• Define the loss limit before purchase.
• Keep position sizing consistent with that loss limit.
• Add only after confirmation.
• Reduce exposure when the broad market is in correction or heavy distribution.
• Review every trade with charts and notes.

These actions require routine, emotional control, and enough data quality to avoid obvious survivorship errors.

What is only partly transferable

The exact chart-reading skill is partly transferable. An investor can study bases, breakouts, follow-through days, distribution days, and climax tops, but discretionary pattern recognition takes thousands of examples. Public rules can describe a cup with handle; they cannot fully reproduce the judgment of whether the setup is too obvious, too late, too volatile, too illiquid, or occurring in a poor market.

The IBD ratings ecosystem is also partly transferable. Current public products and screens reveal broad variables, but proprietary rankings, historical databases, and editorial judgment remain commercial assets. A do-it-yourself investor can approximate the method with public data, but not perfectly duplicate the O'Neil infrastructure.

What is not safely transferable

Three things should not be copied blindly. Do not copy the implied performance record: O'Neil's personal successes, IBD stories, and model-book examples are historically important, but the public record is not a complete audited track record. Do not assume public products prove the method works for all investors: CANGX and FFTY show that fund wrappers can lag despite using O'Neil-derived inputs; FFTY reorganized from Innovator into Capital-Force ETF Trust effective 2026-04-27 and reports long-run underperformance versus the S&P 500 TR benchmark as of 2026-06-30 (Innovator reorganization notice, CapForce FFTY details). Do not copy short-selling without professional-level controls; the downside asymmetry, borrow risk, squeezes, and timing difficulty make it less suitable for most individual investors than the long-side loss discipline.

Bottom-line synthesis

O'Neil's mental model is best understood as a growth-momentum operating system with a hard risk shell. The alpha hypothesis is that the market underreacts to exceptional fundamental acceleration and institutional accumulation in emerging leaders. The entry hypothesis is that constructive bases and volume-confirmed breakouts reveal when demand is ready to overwhelm supply. The survival hypothesis is that small, pre-committed losses keep the investor alive long enough to catch the rare large winner.

The transferable lesson is the full loop: study past winners, screen for current leadership, wait for market permission, buy only at disciplined entries, size for being wrong, add only after proof, sell quickly when wrong, protect gains when right, and convert every mistake into a warning sign. The caution is that the system becomes less clean as assets grow, costs rise, wrappers impose constraints, and public rules replace tacit skill.

Open questions and research gaps

• No complete audited personal track record for William J. O'Neil was found in public sources during this run.
• Exact independent validation of the 7%-8% stop-loss rule, 20%-25% profit-taking rule, and named chart patterns remains limited.
• The degree to which current News Corp/Dow Jones IBD products match O'Neil's pre-2021 process is not fully knowable from public materials.
• Public-product records such as CANGX and FFTY are useful implementation evidence, but they are not a pure test of O'Neil's discretionary method.
• A future synthesis should separate "O'Neil as discretionary trader," "O'Neil as publisher/data entrepreneur," and "O'Neil-derived fund/index products" more explicitly.

As of: 2026-07-11T06:08:07Z

Task: T0404 | Investor: 050-william-oneil | Code: H-synthesis

Executive Brief

William J. O'Neil belongs in the Canon less as a conventional long-only stock picker than as a systematizer of public-equity speculation. His durable contribution was to take the older tape-reading and survival doctrines of Jesse Livermore, Gerald Loeb, and Nicolas Darvas, fuse them with earnings-growth evidence, and industrialize the result through databases, model books, charts, newspapers, software, and training products. The method became CAN SLIM: current and annual earnings growth, a new product or price high, supply-and-demand confirmation, leadership, institutional sponsorship, and market direction. The canonical O'Neil investor is not buying statistical cheapness. He is buying companies already demonstrating superior business momentum and superior price action, then exiting quickly when the market contradicts the thesis. IBD's own educational materials still present the system as a combination of fundamental strength, relative price leadership, institutional demand, market-trend confirmation, and explicit loss limits (IBD CAN SLIM overview; IBD loss-rule lesson).

The evidence for O'Neil's personal legend is powerful but not clean enough to treat as an audited lifetime record. Affiliated and major-media accounts repeat the story that a small personal account grew dramatically in the early 1960s, with versions differing on whether the decisive gains came from E.J. Korvette, Chrysler, Syntex, or a sequence of all three (BusinessWire obituary; Bloomberg/WealthManagement obituary). The O'Neil Fund's 1967 return, reported around 115%-116%, is better triangulated, but the later fund history complicates the mythology: the fund reportedly shrank from a $49 million peak to about $6 million before its 1975 sale, and federal records later show it sought deregistration after ceasing to be an investment company (LA Times 1992; Federal Register 1976).

The fairest synthesis is that O'Neil's edge was not one magic chart pattern. It was a complete operating system: selection, timing, sizing, selling, review, and data infrastructure. The academic record supports important ingredients, especially intermediate-term momentum and new-high effects, while leaving the full discretionary CAN SLIM package unresolved (Jegadeesh and Titman 1993; George and Hwang 2004). Independent work on AAII screens found that CAN SLIM-like screens could rank well, but transaction costs, skewness, and real-world implementation weakened the result (North and Stevens 2015).

O'Neil's weakest transfer point is productization. New USA Growth Fund, CAN SLIM-branded mutual-fund products, and the IBD 50 ETF show that a famous method can disappoint when pushed through public vehicles, fees, turnover, tax friction, crowded signals, and client behavior (TheStreet 1997; SEC CANGX 2019 summary prospectus; CapForce FFTY details). O'Neil died on May 28, 2023; IBD has belonged to News Corp/Dow Jones since 2021, and the continuing O'Neil family-office ecosystem now sits beside, rather than inside, IBD's media platform (SMU remembrance; News Corp completion release; O'Neil Capital Management).

The transferable lesson is therefore disciplined growth momentum, not hero worship. O'Neil taught investors to demand objective proof, buy leaders rather than laggards, respect the general market, and treat small losses as tuition. His career also teaches that evidence quality, capacity, turnover, and commercialization can matter as much as the headline rule set.

Ten Transferable Lessons, Ranked

1. Build the process from winners, not preferences. O'Neil's stated method began with historical model books of major stock-market winners, then looked for recurring pre-advance traits. The affiliated legacy materials and his core book both frame CAN SLIM as pattern extraction from a long sample of winners rather than a theory imposed from first principles (O'Neil legacy site; Google Books, How to Make Money in Stocks).

2. Buy strength with proof, not growth stories alone. The investable O'Neil setup requires earnings and sales acceleration, relative strength, industry leadership, and price/volume confirmation. His 2002 Motley Fool interview emphasized leading companies in leading sectors and treated valuation shortcuts such as low P/E, book value, and dividends as poor primary predictors for his style (Motley Fool interview).

3. Market direction is a portfolio input. O'Neil made the general market a gating variable. This is one of the biggest separations from classic fundamental growth investors: a good company in a hostile market is not good enough. IBD continues to teach that most stocks follow the broad market trend, so exposure should expand in confirmed uptrends and contract in corrections (IBD CAN SLIM overview).

4. The sell rule is the system. The 7%-8% loss limit is not decorative. It is the behavioral mechanism that keeps a high-turnover, high-expectation style from becoming a graveyard of broken growth stories. Investors can copy O'Neil's screens badly; copying his willingness to be wrong quickly is harder and more important (IBD loss-rule lesson).

5. Chart patterns are timing and risk tools, not clairvoyance. Bases, breakouts, handles, and new highs are best treated as demand-confirmation devices. This aligns with academic evidence that proximity to 52-week highs and intermediate-term momentum have predictive content, even if the exact O'Neil pattern language is not independently proven in full (George and Hwang 2004; Jegadeesh and Titman 1993).

6. Concentrate only after the market confirms. O'Neil's doctrine is aggressive, but not undisciplined. Entries are staged around buy points, follow-on buys require progress, and failed breakouts are cut. This resembles trend-following risk architecture more than traditional buy-and-hold growth investing.

7. Treat leaders as temporary until proved otherwise. O'Neil's model rewards current leadership, not permanent status. Former winners are dangerous when institutions stop accumulating them, earnings decelerate, or price action breaks. This lesson survives even for non-CAN SLIM investors: leadership is evidence, not a title.

8. Post-analysis is part of the edge. O'Neil's model-book habit matters because it creates a feedback loop. The investor studies both winning precedents and personal mistakes, then updates screens, watchlists, and sell rules. Without this loop, CAN SLIM becomes a checklist rather than a research discipline.

9. Separate method evidence from wrapper evidence. A rule set can be useful while public funds or ETFs using related trademarks lag after costs. New USA, CANGX, and FFTY show that manager identity, expenses, turnover, tax drag, rebalancing rules, and client timing can dominate a brand-name methodology (TheStreet 1997; SEC CANGX 2019 summary prospectus; CapForce FFTY details).

10. Commercial clarity is not the same as statistical proof. O'Neil was unusually good at packaging an investment doctrine. That made the method teachable, but it also created conflicts: publisher, data vendor, broker/dealer founder, product licensor, and investment educator all sat near the same brand. Successor and product claims need independent verification (News Corp acquisition announcement; O'Neil Capital Management).

Style Taxonomy Tags

• Primary style: Growth momentum; techno-fundamental equity speculation; long-only listed-equity leadership investing.
• Security selection: Accelerating earnings and sales; new products or new highs; relative strength; leading industry groups; institutional sponsorship; liquidity and supply-demand analysis.
• Timing system: Price-volume breakouts from bases; market-direction confirmation; staged buys; fast invalidation.
• Risk control: Predefined 7%-8% loss cap; sell discipline after climax, failed breakouts, or market deterioration; willingness to hold cash.
• Holding period: Intermediate-term trading to campaign investing; not deep-value patience and not pure day trading.
• Research substrate: Historical model books; chart databases; screening/ranking systems; post-mortem review; institutional and retail research distribution.
• Vehicle caveat: Strongest as a disciplined operator's method; weaker evidence in scalable public fund, ETF, and subscription-product wrappers.
• Evidence quality tag: Strong doctrine documentation; mixed public-vehicle evidence; unaudited personal-account legend; high commercialization risk.

Regime Dependence

O'Neil's method is built for markets that reward earnings acceleration, price leadership, liquidity, and institutional accumulation. It should work best in broad or sector-specific bull markets where new leaders break out from bases, capital rotates toward higher-growth companies, and follow-through days matter because buyers keep buying. It can also help investors avoid the worst of bear markets if the market-direction rule and sell discipline are obeyed.

The hostile regimes are equally important. Choppy range-bound markets create false breakouts and repeated 7%-8% losses. Valuation-compression regimes can punish even good companies when rates rise or long-duration growth derates. Liquidity shocks make small-cap leaders difficult to exit, which is exactly the problem O'Neil later attributed to the post-1967 O'Neil Fund experience (LA Times 1992). Crowded momentum unwinds can also turn the "buy what works" instinct into a trap; the academic momentum literature documents both positive continuation and later reversal risk (Jegadeesh and Titman 1993).

Modern implementation adds another regime layer. CapForce reports FFTY's 5-year NAV return through June 30, 2026 near flat while the S&P 500 Total Return Index compounded at 13.41% annually, even though the fund's latest one-year period was strong (CapForce FFTY details). That is not a verdict on O'Neil personally; it is a warning that a high-turnover leadership index can look brilliant or broken depending on the window, costs, rebalance discipline, tax status, and benchmark.

Closest And Most-Opposite Investors In The Canon

Closest: Nicolas Darvas. Darvas is the closest peer on equity breakout mechanics. Both buy strength, demand price-volume confirmation, pyramid winners, use stops, and think in terms of leadership rather than cheapness. O'Neil is Darvas industrialized: earnings screens, industry rankings, model books, market-direction rules, databases, and media infrastructure.

Closest ancestor: Gerald Loeb. Loeb's survival-first doctrine, distrust of passive stock ownership, emphasis on liquidity, and willingness to sell quickly all point forward to O'Neil. O'Neil makes Loeb's broker-era trading philosophy more systematic and data-rich.

Closest system/risk cousins: Ed Seykota, Richard Dennis, and William Eckhardt. O'Neil is not a futures trend follower, but the architecture is familiar: predefined entries, exits, sizing discipline, respect for price, and small losses as the price of catching large trends. The difference is that O'Neil keeps a fundamental-growth substrate.

Closest growth cousins: Peter Lynch and Philip Fisher. Lynch and Fisher share the hunt for exceptional businesses and long growth runways. O'Neil is less patient, less valuation-centered, and more willing to let price action overrule the business story.

Most opposite: Jack Bogle. Bogle's answer to market uncertainty is low-cost exposure to broad beta. O'Neil's answer is disciplined participation in active leadership stocks with market timing and hard sell rules. The shared virtue is humility: Bogle expresses it by refusing the active contest; O'Neil by obeying price when wrong.

Most opposite evidence base: Benjamin Graham, Warren Buffett, and Charlie Munger. Graham buys securities below conservative value; O'Neil buys stocks proving leadership near highs. Buffett and Munger treat ownership duration, business quality, taxes, and permanent capital as compounding advantages; O'Neil treats price feedback, institutional demand, and sell discipline as central.

Luck, Skill, And Non-Transferability

The skill is visible in O'Neil's full-stack design. He did not merely say "buy growth." He specified what kind of growth, what kind of price action, what kind of market, where to buy, when to add, when to take losses, and how to review mistakes. He also built the data and media machinery that made the method scalable as education and research. That combination of rule clarity and distribution is rare.

The luck and non-transferability sit in the headline numbers. The early personal-account story is dramatic but unaudited and source-conflicted. The O'Neil Fund's best year was extraordinary, but its later asset collapse is part of the same record. New USA was a public proxy with a famous brand but mixed results and day-to-day management by David Ryan rather than O'Neil personally (TheStreet 1997). FINRA and IAPD records show no personal disclosure events for William J. O'Neil, while O'Neil Securities has firm-level regulatory events, including a 2023 FINRA censure and $30,000 fine over books, records, and supervision around private securities transactions and outside-business disclosures (FINRA individual BrokerCheck; FINRA firm BrokerCheck).

The investor copying O'Neil should therefore copy the discipline, not the legend. The transferable pieces are evidence-based screening, price confirmation, broad-market awareness, loss limits, and post-mortem review. The non-transferable pieces are founder-era data advantages, personal trading temperament, pre-digital chart scarcity, commercial platform control, and any unaudited performance mythology.

For a modern allocator, the most sensible adaptation is modular. A long-only fundamental manager can borrow O'Neil's demand for current leadership and sell discipline without becoming a chart trader. A systematic manager can test momentum, new-high, earnings-revision, and market-regime filters without accepting every discretionary base pattern. A retail trader can use the 7%-8% stop as a behavior guardrail, but should recognize that frequent trading, taxes, missed alerts, and poor execution can consume the apparent edge. The worst adaptation is the most common one: buying exciting growth stocks near highs while ignoring the market-direction filter and refusing to take the small loss.

Evidence Grading For The Canon

The highest-confidence facts are status, ownership, and regulatory facts. O'Neil is deceased; William O'Neil + Company announced his death at age 90, and SMU records the date as May 28, 2023 (BusinessWire obituary; SMU remembrance). IBD is no longer O'Neil-owned: News Corp announced the acquisition from O'Neil Capital Management in March 2021, completed it in May 2021, and has since operated IBD inside Dow Jones (News Corp acquisition announcement; News Corp completion release). The continuing O'Neil ecosystem is better described as a family-office and affiliate-company structure including William O'Neil + Company, O'Neil Global Advisors, O'Neil Securities, and related businesses (O'Neil Capital Management; William O'Neil + Co. affiliates).

The medium-confidence evidence is the investment record. The 1967 O'Neil Fund result is cited by affiliated and major-media sources and should be retained, but it should not be allowed to stand alone because the same public record includes later shrinkage and sale. The early personal-account story is lower-confidence because it is unaudited and inconsistent across retellings. It is useful as a biographical clue to O'Neil's temperament, not as a standalone proof of durable alpha.

The strongest independent support is ingredient-level. Momentum, 52-week-high effects, and earnings-response underreaction are real research literatures, but they do not prove that every CAN SLIM threshold or chart pattern is causal. North and Stevens are useful because they move closer to practitioner screens and still find that transaction costs and skewed return distributions matter (North and Stevens 2015).

Legal and business-practice material should be kept in proportion. The FINRA firm matters are operational and supervisory, not findings that CAN SLIM was fraudulent. Harris v. Investor's Business Daily was a wage-and-hour dispute about telemarketer compensation, relevant to business operations but not investment-method validity (FindLaw, Harris v. Investor's Business Daily). O'Neil's Validea litigation is more thematically relevant because it shows the difficulty of policing third-party simplifications of a branded investment method, but it is not a performance case (CaseMine, O'Neil v. Validea).

Unresolved Questions

1. Is there an audited, asset-weighted personal or proprietary O'Neil track record beyond selected anecdotes, interviews, and affiliated histories?

2. How much of CAN SLIM's edge is explained by standard factors and anomalies such as momentum, earnings revision, post-earnings-announcement drift, and 52-week-high effects, versus the discretionary O'Neil overlay?

3. Which implementation should be treated as canonical: the book rules, IBD 50, AAII screens, MarketSmith/MarketSurge, Leaderboard, SwingTrader, institutional William O'Neil + Co. research, or O'Neil's own private practice?

4. What is the real after-tax, after-spread, after-slippage outcome for ordinary investors who follow alerts imperfectly and trade in taxable accounts?

5. How much capacity can the method absorb before the small/mid-cap leadership and breakout components decay?

6. Are post-2021 IBD products and post-2023 O'Neil-affiliated products best understood as continuations of O'Neil's method, modernized factor products, or branded descendants with different evidence standards?

7. How should the Canon weigh O'Neil's status as investor, publisher, data vendor, broker/dealer founder, and product licensor when evaluating claims made under the same ecosystem?

Started: 2026-07-10 for T0397 A-profile.

Task A Source Map

1. SMU, "SMU remembers William J. O'Neil" - Tier 1 institutional memorial for birth background, 1955 BBA, Hayden Stone start, NYSE-seat milestone, and death date.
2. Investor's Business Daily, O'Neil obituary/profile - Affiliated but detailed source for death confirmation, IBD founding, CAN SLIM legacy, and son confirmation.
3. BusinessWire / William O'Neil + Co. death announcement - Company announcement covering Air Force service, Syntex account claim, O'Neil Fund return claim, IBD, global affiliates, and OGA launch.
4. William J. O'Neil legacy site - Rich official chronology for Model Book, Daily Graphs, O'Neil Data Systems, Investor's Daily, CAN SLIM products, and later corporate splits; useful but promotional.
5. O'Neil Securities, "Our History" - Official history tying eight-market-cycle research, 20-fold personal-account claim, 1963 firm founding, NYSE seat, Model Book, Daily Graphs, ODS, and IBD.
6. FINRA BrokerCheck firm report, O'Neil Securities / CRD #894 - Primary regulatory source for 1963 firm formation, active registrations, and four final firm-level regulatory events.
7. FINRA BrokerCheck individual report, William Joseph O'Neil / CRD #352887 - Primary regulatory source showing O'Neil's personal registration history and no disclosed individual events.
8. SEC/IAPD individual report, William Joseph O'Neil - Primary adviser-registration source showing prior IAR registration and no representative disclosure events.
9. FINRA Disciplinary Actions, July 2023 - Primary disciplinary summary for the 2023 O'Neil Securities censure and $30,000 fine; company-level caveat.
10. LA Times, 1992, "O'Neil Tries His Investment Theories on Mutual Fund" - Independent profile of New USA launch, lack of trackable personal record, Syntex funding story, O'Neil Fund rise/fall, and O'Neil's own liquidity mistake comments.
11. LA Times, 1998, New USA follow-up - Independent follow-up on New USA's lag, later rebound, comparison with Russell 2000 and S&P 500, and sale so O'Neil could focus elsewhere.
12. LA Times, 2006, "The Profiting Prophet of Playa del Rey" - Best independent critical profile for O'Neil's influence, CAN SLIM subculture, business empire, and lack of audited record.
13. WealthManagement / Bloomberg, 2023 obituary - Strong secondary synthesis for personal-account story via Schwager, O'Neil Fund figures, New USA record, and corporate context.
14. News Corp, 2021 IBD acquisition announcement - Primary source for $275 million IBD acquisition price, O'Neil Capital seller, digital-subscriber metrics, and monthly visitors.
15. News Corp, 2021 IBD acquisition completion - Primary source confirming May 5, 2021 closing, Dow Jones operation, stand-alone brand, Los Angeles headquarters, and employee count.
16. SEC exhibit, News Corp IBD acquisition release - SEC-hosted version of the acquisition release; useful for ownership, price, revenue mix, and O'Neil Capital context.
17. O'Neil Capital Management, About Us - Current official source for the family-office structure and affiliate map after O'Neil's death.
18. William O'Neil + Co., Affiliates - Current official source for William O'Neil + Co., O'Neil Global Advisors, O'Neil Securities, ODS, India, Shanghai, and O'Neil Strategic Capital relationships.
19. O'Neil Global Advisors - Current official source for OGA's O'Neil-methodology strategy positioning and performance/risk disclaimers.
20. Google Books, The Model Book of Greatest Stock Market Winners - Bibliographic anchor for the 1971 model-book source central to CAN SLIM's origin story.
21. Google Books, How to Make Money in Stocks - Bibliographic anchor for O'Neil's best-known book and its focus on charts, timing, industry groups, and loss reduction.
22. PR Newswire, 2010 MarketSmith launch - Primary product-continuity source for Daily Graphs to MarketSmith, including features and data lineage.
23. IBD, current methodology overview - Current official description of the IBD/O'Neil methodology pillars: fundamentals, technicals, market direction, and risk management.
24. North and Stevens, 2015, AAII screens paper - Academic evidence that mechanical screens can look strong before costs but weaken materially after transaction costs and account-size assumptions.
25. FactCheck.org, 2009, "How to Not Prove a Point" - Independent media-accuracy caveat for IBD's Stephen Hawking/NHS editorial episode; publication-level, not personal-investment misconduct.

Task B Source Map

Added: 2026-07-10 for T0398 B-philosophy.

1. William J. O'Neil legacy site - Official chronology and affiliated framing for the empirical model-book origin, data-first temperament, Daily Graphs/Model Book/IBD evolution, and mistake-review culture.
2. O'Neil Securities, "Our History" - Official O'Neil-source description of historical-winner research, the seven-factor method, early personal-account claim, 1963 firm founding, Model Book, Daily Graphs, and IBD.
3. IBD CAN SLIM overview / welcome - Affiliated current source for CAN SLIM definitions, market-direction framing, chart/fundamental combination, and education/disclaimer language.
4. IBD University, quarterly earnings lesson - Affiliated source for the earnings and sales-growth thresholds that operationalize the C and A portions of CAN SLIM.
5. IBD University, base-pattern overview - Affiliated source for buying from completed bases near new highs rather than buying weakness or incomplete patterns.
6. IBD University, market-bottom / follow-through-day lesson - Affiliated source for the market-direction rule, confirmed uptrend logic, distribution-day caveats, and failed-follow-through warning.
7. IBD University, 7%-8% sell rule - Affiliated source for O'Neil-style hard loss-cutting and capital-preservation doctrine.
8. IBD University, taking profits lesson - Affiliated source for the 20%-25% profit-taking rule and exception logic for exceptional winners.
9. Motley Fool, 2002, Bill O'Neil interview Part 2 - Own-words interview evidence on leading sectors, rejecting dividends/book value/P-E as primary anchors, sell rules, climax tops, and old leaders not leading the next cycle.
10. LA Times, 1992, "O'Neil Tries His Investment Theories on Mutual Fund" - Independent source for New USA as public test, O'Neil Fund liquidity/capacity failure, and tension between 7%-8% personal-account rules and public-fund implementation.
11. LA Times, 1998, New USA follow-up - Independent source for O'Neil's market-sideline discipline, New USA's later performance, benchmark comparisons, and sale to MFS.
12. LA Times, 2006, "The Profiting Prophet of Playa del Rey" - Independent critical profile for O'Neil's CAN SLIM process, lack of formal audited record, commercial workshops, and buy-high/sell-higher framing.
13. WealthManagement / Bloomberg, 2023 obituary - Secondary synthesis for the personal-account story, O'Neil Fund record fragments, New USA record, and posthumous context.
14. Jack Schwager, Market Wizards PDF copy - Interview source for O'Neil's rejection of cheapness, concentration/overdiversification comments, chart/volume interpretation, and sell discipline; use with copyright limits.
15. McGraw-Hill, How to Make Money in Stocks fourth edition page - Publisher metadata for the 2009 edition and table-of-contents evidence on CAN SLIM, sell rules, chart reading, sectors, and mistakes.
16. Google Books, How to Make Money in Stocks fourth edition - Bibliographic and contents anchor for the main O'Neil book used to frame the codified system.
17. PR Newswire, 2010 MarketSmith launch - Product-continuity source showing how O'Neil's philosophy became data, charts, screening, ratings, and model workflow.
18. O'Neil Global Advisors - Current affiliated source for post-founder O'Neil-methodology strategy positioning and risk/suitability disclaimers.
19. News Corp, 2021 IBD acquisition announcement - Primary source for IBD sale price, subscriber/revenue metrics, and the commercial value of the O'Neil media/tooling ecosystem.
20. SEC-hosted News Corp IBD acquisition exhibit - SEC-hosted acquisition release used to confirm News Corp/Dow Jones context and IBD's stated O'Neil-philosophy tooling.
21. FINRA BrokerCheck individual report, William Joseph O'Neil - Primary regulatory source showing O'Neil was not currently registered and had no disclosed individual broker events.
22. SEC/IAPD individual report, William Joseph O'Neil - Primary adviser-registration source showing prior IAR registration and no representative disclosure events.
23. FINRA BrokerCheck firm report, O'Neil Securities / CRD #894 - Primary firm-regulatory source for O'Neil Securities registrations, common-control map, business lines, and final firm-level regulatory events.
24. FINRA Disciplinary Actions, July 2023 - Primary disciplinary source for the 2023 firm censure and $30,000 fine; company-level, not personal O'Neil misconduct.
25. Jegadeesh and Titman, 1993, momentum paper - Academic source validating intermediate-horizon relative-strength/momentum effects, a key independent support for O'Neil's leader-not-laggard bias.
26. Chan, Jegadeesh, and Lakonishok, 1996, "Momentum Strategies" - Academic source linking past returns and earnings surprises to future return drift and gradual market response to information.
27. George and Hwang, 2004, 52-week-high momentum paper - Academic source supporting O'Neil's counterintuitive preference for stocks near new highs rather than apparently cheap lows.
28. Lo, Mamaysky, and Wang, 2000, technical-analysis foundations - Academic source showing some chart indicators can contain incremental information while highlighting the subjectivity problem.
29. North and Stevens, 2015, AAII screens paper - Academic source for mechanical-screen evidence and the weakening impact of transaction costs, account size, and factor controls.
30. CBS MoneyWatch / Larry Swedroe, 2010 - Independent critique distinguishing paper strategy claims from live implementation, fund records, and friction-adjusted investor outcomes.
31. CapForce IBD 50 ETF details - Current ETF source for live IBD 50 implementation, weekly rebalancing, holdings count, expense ratio, bid-ask spread, performance, and risk disclosures as of July 2026.
32. CapForce IBD 50 index construction PDF - Current methodology source for rules-based IBD 50 selection, ranking, weighting, liquidity, 52-week-high, and weekly rebalance criteria.

Task E Source Map

Added: 2026-07-10 for T0401 E-own-words.

1. William J. O'Neil legacy site - Official memorial/timeline with direct attributed quote cards, model-book lineage, Daily Graphs/IBD history, and company context; promotional but central for own-words fragments.
2. O'Neil Securities, "Our History" - Official source for founder quote, early research story, Model Book/Daily Graphs/IBD lineage, and affiliated company context.
3. William O'Neil + Co. 1960s heritage page - Official 60-year heritage page with direct quote about marketplace reality and early O'Neil methodology summary.
4. MarketSurge Classics webinar archive - Official archive with visible O'Neil 2013 quote on cycles and replacement leadership; also a source map for later MarketSmith/MarketSurge educational material.
5. Motley Fool, 2002, Bill O'Neil interview Part 2 - Full source-visible Q&A with O'Neil on industry leadership, low-quality stocks, institutional sponsorship, P/E skepticism, sell rules, and psychology.
6. Motley Fool, 2002, Bill O'Neil interview Part 1 stale lead - Part 2 links to this Part 1 URL, but it was not live/source-visible during this run; keep as a Wayback/library lead only.
7. Los Angeles Times, 1992, "Risky Move" - Independent profile with O'Neil quotes on concentrated growth, public-track-record exposure, O'Neil Fund capacity/liquidity mistakes, and New USA risk.
8. Los Angeles Times, 1998, David Ryan/New USA follow-up - Independent context for CAN SLIM, Ryan, New USA performance caveats, and public implementation; limited direct O'Neil quote value.
9. Los Angeles Times, 2006, "The Profiting Prophet of Playa del Rey" - Best independent critical profile/interview for O'Neil's empirical self-description, retail seminar culture, commercial ecosystem, and unaudited-record caveat.
10. Jack Schwager, Market Wizards PDF carrier - Accessible interview text for new-high buying, charts, concentration, cash, psychology, and common mistakes; use with copyright limits and prefer authorized editions for final quotation checks.
11. TurtleTrader Market Wizards excerpt carrier - Secondary excerpt lead for Schwager/O'Neil wording; not preferred for final quotation if the book text is available.
12. McGraw Hill, How to Make Money in Stocks, fourth edition - Publisher page for O'Neil's core book, CAN SLIM table of contents, market-winner study framing, and mistakes curriculum.
13. Internet Archive, How to Make Money in Stocks, 1991 record - Earlier-edition bibliographic anchor; restricted scan limits source-visible quotation work.
14. Google Books, How to Make Money in Stocks, 2009 - Bibliographic and preview cross-check for edition metadata and contents.
15. McGraw Hill, 24 Essential Lessons for Investment Success - Publisher table of contents for system, emotion, relative strength, volume, charts, market health, and sell-rule vocabulary.
16. Internet Archive, 24 Essential Lessons for Investment Success - Restricted scan record with publication metadata and full contents string.
17. McGraw Hill, The Successful Investor - Publisher record for O'Neil's post-bear-market book on investing profitably and avoiding big losses.
18. Internet Archive, The Successful Investor - Restricted scan record exposing the chapter sequence on market direction, 3-to-1 plan, buy timing, sell discipline, and portfolio management.
19. Google Books, How to Make Money Selling Stocks Short - Source-visible O'Neil/Morales short-selling description, contents, metadata, and author note.
20. Wiley, How to Make Money Selling Stocks Short - Official publisher anchor for the short-selling title and edition data.
21. Open Library, The Model Book of Greatest Stock Market Winners - Bibliographic lead for O'Neil's model-book project; use for provenance, not quotations.
22. IBD William O'Neil Interviews category - Official index of O'Neil interview/video titles, dates, and durations; transcript visibility was limited.
23. IBD, "Bill O'Neil In-Depth Interview" - Official 22-minute interview page; future transcript/caption review could add direct spoken quotes.
24. IBD, "Interview with William J. O'Neil" - Official 14-minute interview page; source map lead, not quoted without transcript verification.
25. IBD, "How To Use How to Make Money in Stocks" - Official instructional video tied to O'Neil's book; transcript body not visible in static page during this run.
26. IBD, "Common And Costly Investing Mistakes to Avoid" - Official mistakes video; future transcript review can improve direct quote coverage.
27. IBD Press Center articles/interviews index - Lead list for O'Neil interviews and appearances from 2007-2013; many live targets are partial or paywalled.
28. IBD market-direction lesson - Founder-attributed quote on needing a reliable bull/bear-market method plus current IBD market-direction doctrine.
29. IBD taking-profits lesson - Founder-attributed "elevator" profit-taking quote and current 20%-25% sell-into-strength doctrine.
30. IBD 7%-8% loss lesson - Current affiliated hard-loss-cutting doctrine; label exact wording as institutional unless directly attributed.
31. IBD methodology overview - Current official four-pillar summary of O'Neil/IBD methodology and disclaimers.
32. IBD welcome/CAN SLIM overview - Current IBD onboarding page for CAN SLIM definitions, market routine, stock lists, charts, and risk disclaimers.
33. IBD quarterly earnings lesson - Current affiliated source for "C" rule thresholds, EPS/sales emphasis, and rating vocabulary.
34. William O'Neil + Co., "What We Do" - Current official statement of O'Neil Methodology, factor/data-science continuity, and institutional research positioning.
35. FINRA BrokerCheck individual report, William Joseph O'Neil - Primary regulatory check showing O'Neil was not currently registered and had no disclosed individual broker events in the available report.
36. SEC/IAPD individual report, William Joseph O'Neil - Primary adviser-registration check for prior IAR registration and absence of representative disclosure events.
37. FINRA BrokerCheck firm report, O'Neil Securities / CRD #894 - Primary firm-regulatory source for final firm-level events; do not conflate with personal O'Neil misconduct.
38. FINRA Disciplinary Actions, July 2023 - Primary source for 2023 O'Neil Securities censure and $30,000 fine; firm-level caveat.
39. Harris v. Investor's Business Daily, California Court of Appeal - Business/employment litigation caveat involving IBD and related companies; not investment-method misconduct.
40. FactCheck.org, 2009, "How to Not Prove a Point" - Publication-level accuracy caveat for IBD editorial episode; not personal investment-record evidence.
41. O'Neil Securities business/regulatory disclosures - Current firm disclosure page for compliance, third-party research, order-routing, and risk-disclosure context.
42. William O'Neil + Co. 2026 press page - Current company-source check for living successor firm activity as of 2026; not a direct O'Neil source.

Task C Source Map

Added: 2026-07-10 for T0399 C-greatest-trades.

1. Jack Schwager, Market Wizards PDF carrier - Core interview source for the famous 1962-1963 account-compounding sequence: short Korvette, long Chrysler, long Syntex, and the $5,000-to-$200,000 claim; unaudited.
2. William O'Neil Securities, "Our History" - Official firm history for O'Neil's early 20-fold personal-account claim, 1963 firm founding, NYSE-seat context, and model-book/CAN SLIM lineage.
3. BusinessWire, "William O'Neil + Company Announces the Passing of William J. O'Neil" - Company announcement supporting death/status, Syntex account claim, NYSE-seat/firm context, and O'Neil Fund 1967 return; promotional and source-conflicted on the early account story.
4. William J. O'Neil legacy site - Official memorial/timeline source for O'Neil Fund 1967 115.6% return, model-book work, Daily Graphs, and successor-company context.
5. WealthManagement / Bloomberg obituary - Independent secondary synthesis for Schwager's trade sequence, NYSE seat, O'Neil Fund 116% year, later fund shrinkage, and New USA caveats.
6. LA Times, 1992, "O'Neil Tries His Investment Theories on Mutual Fund" - Independent source for Syntex firm-funding story, Pic 'N' Save 20-fold claim, O'Neil Fund collapse/liquidity explanation, and New USA public-test framing.
7. LA Times, 2006, "The Profiting Prophet of Playa del Rey" - Best independent caveat for the absence of a formal audited CAN SLIM/personal O'Neil record and the difficulty of retail execution.
8. John Boik, How Legendary Traders Made Millions PDF carrier - Detailed secondary account of Korvette, Chrysler, and Syntex entries and path; useful for prices and chronology but not primary account evidence.
9. O'Neil, How to Make Money in Stocks online text mirror - O'Neil-authored source carrier for model-book winners, Syntex/Chrysler/Dome/Pic 'N' Save/Amgen/eBay figures, and Xerox sell/avoid call; mirror should be checked against print when possible.
10. IBD, Syntex 450% O'Neil winner video page - Affiliated source identifying Syntex as an O'Neil winner and supporting the 450% headline figure.
11. IBD, Chrysler 300% O'Neil winner video page - Affiliated source identifying Chrysler as an O'Neil 300%-plus winner tied to the Cuban missile crisis follow-through.
12. IBD, "Key Lessons From 5 Of Bill O'Neil's Biggest Winners" - Affiliated source naming eBay, Price Club, Chrysler, Syntex, and Amgen as O'Neil winners; transcript not source-visible in this run.
13. IBD, Amgen educational video page - Affiliated source for Amgen as a successful O'Neil trade/example, paired with O'Neil book/model figures.
14. IBD, Mosaic 581% O'Neil winner video page - Affiliated source for Mosaic as a lower-confidence late-career O'Neil winner; static page lacks full trade transcript.
15. Business Insider, 2020 O'Neil/CAN SLIM profile - Secondary source summarizing Schwager's $5,000-to-$200,000 account story and three-trade sequence.
16. Google Books, How to Make Money Selling Stocks Short - Bibliographic and process anchor for O'Neil's short-selling framework, useful for contextualizing the Korvette short.
17. Google Books, The Model Book of Greatest Stock Market Winners - Bibliographic anchor for the model-book project and the need to distinguish actual O'Neil/firm trades from teaching precedents.
18. CBS MoneyWatch / Larry Swedroe, 2010 - Independent critique/source lead for O'Neil Fund and New USA public-fund implementation caveats; secondary and should be archive-checked where possible.
19. SEC/IAPD individual report, William Joseph O'Neil - Primary current regulatory source showing no representative disclosure events for O'Neil personally; not a trading-record audit.
20. FINRA BrokerCheck firm report, O'Neil Securities / CRD #894 - Primary firm-regulatory source for O'Neil Securities events and affiliate context; distinguishes firm-level caveats from personal trade evidence.
21. FINRA Disciplinary Actions, July 2023 - Primary source for the 2023 O'Neil Securities censure/fine; firm-level and posthumous relative to O'Neil's personal trading record.

Task D Source Map

Added: 2026-07-10 for T0400 D-mistakes.

1. William J. O'Neil legacy site - Official chronology for O'Neil Fund launch/1967 return and O'Neil's mistake-review quote; promotional but central for affiliated claims.
2. FINRA BrokerCheck individual report, William Joseph O'Neil / CRD #352887 - Primary regulatory check showing no personal disclosure events in the available report; used to separate personal from firm-level caveats.
3. SEC/IAPD individual report, William Joseph O'Neil - Primary adviser-registration check for prior IAR history and absence of representative disclosure events.
4. LA Times, 1992, "O'Neil Tries His Investment Theories on Mutual Fund" - Key independent source for O'Neil Fund asset collapse, O'Neil's liquidity/capacity explanation, New USA launch, and limits of public-fund stop-loss execution.
5. WealthManagement / Bloomberg obituary - Secondary synthesis for O'Neil Fund 116% year, NYSE-seat context, and New USA/public implementation caveats.
6. CBS MoneyWatch / Larry Swedroe, 2010 - Independent critique/source lead for O'Neil Fund 1969-1974 loss and CAN SLIM Select early live-fund record; secondary and should be archive-checked where possible.
7. LA Times, 1993, New USA first-year profile - Independent source for New USA's first full-year lag, cash posture, and style drift concerns.
8. LA Times, 1998, New USA follow-up - Independent source for New USA's benchmark-sensitive later record, sale to MFS, and comparison with Russell 2000/S&P 500.
9. TheStreet, 1997, New USA critique - Contemporary source for New USA lifetime/one-year/YTD figures, 400% turnover, and higher expense-ratio critique.
10. Rick Ferri, Serious Money PDF - Secondary critique for high turnover, expenses, trading-cost, and tax-friction issues in O'Neil-style public funds.
11. SEC CANGX summary prospectus, 2019 - Primary filing for CAN SLIM Select Growth Fund returns, S&P 500 benchmark comparison, expenses, redemption fee, turnover, cash authority, and portfolio construction.
12. CapForce IBD 50 ETF details - Current official ETF source for FFTY performance versus S&P 500 Total Return, expense ratio, net assets, and live-product caveats as of July 2026.
13. CapForce IBD 50 index construction PDF - Current methodology source for IBD 50 selection, ranking, weighting, liquidity, 52-week-high, and weekly rebalance rules.
14. North and Stevens, 2015, AAII screens paper - Academic source for gross screen evidence and the weakening impact of transaction costs, account size, and factor controls.
15. Financial Services Review page for North/Stevens - Journal landing page for the AAII screen study and bibliographic verification.
16. O'Neil, How to Make Money in Stocks online text mirror - O'Neil-authored source carrier for Houston Oil omission, old-leader examples, market-direction lessons, margin cautions, and sell discipline; mirror should be checked against print.
17. Motley Fool, 2002, Bill O'Neil interview Part 2 - Own-words interview on market disagreement, old leaders, sector leadership, sell rules, and climax tops.
18. IBD University, 7%-8% sell rule - Current affiliated loss-cutting doctrine, including normal 7%-8% stop and tighter weak-market limits.
19. IBD University, taking profits lesson - Current affiliated profit-taking and sell-into-strength doctrine, including 20%-25% gain framework.
20. McGraw Hill, How to Make Money in Stocks, fourth edition - Publisher table-of-contents source for O'Neil's mistakes, loss-cutting, profit-taking, diversification, margin, and short-selling curriculum.
21. McGraw Hill, 24 Essential Lessons for Investment Success - Publisher table-of-contents source for system-over-emotion and sell-rule lessons.
22. Jack Schwager, Market Wizards PDF carrier - Interview source for O'Neil's common-error hierarchy, including letting losses run and averaging down; use with copyright limits.
23. Google Books, How to Make Money Selling Stocks Short - Bibliographic source for O'Neil/Morales short-selling framework and cautionary short-side process context.
24. Wiley, How to Make Money Selling Stocks Short - Official publisher anchor for the short-selling title and edition data.
25. FINRA BrokerCheck firm report, O'Neil Securities / CRD #894 - Primary firm-regulatory source for O'Neil Securities final events; used only for firm-level caveats.
26. FINRA Disciplinary Actions, July 2023 - Primary source for 2023 O'Neil Securities censure and $30,000 fine; posthumous firm-level matter, not personal O'Neil misconduct.
27. Los Angeles Business Journal, 2001, IBD expansion/layoffs - Business-context source for IBD operating strain, ad decline, layoffs, circulation, and break-even challenge.
28. News Corp, 2021 IBD acquisition announcement - Primary source for eventual $275 million IBD acquisition, useful counterweight to earlier operating-strain caveats.
29. News Corp, 2021 IBD acquisition completion - Primary source confirming acquisition close, Dow Jones operation, and continued stand-alone IBD brand.
30. Harris v. Investor's Business Daily, California Court of Appeal - Business/employment litigation caveat; not investment-method misconduct.
31. FactCheck.org, 2009, "How to Not Prove a Point" - Publication-level accuracy caveat for IBD editorial episode; not personal investment-record evidence.
32. Columbia Journalism Review, 2009, IBD editorial critique - Media-criticism context for the Stephen Hawking/NHS editorial episode.
33. CaseMine, Validea litigation summary - Legal source for Dearborn/Validea dispute; used only as business/legal context, with no monetary sanction against O'Neil found in this run.

Task F Source Map

Added: 2026-07-10 for T0402 F-key-writings.

1. McGraw Hill, How to Make Money in Stocks, fourth edition - Publisher metadata and table-of-contents source for O'Neil's flagship public system, CAN SLIM chapters, sell rules, chart reading, model winners, and mistakes curriculum.
2. Google Books, How to Make Money in Stocks: A Winning System in Good Times and Bad - Bibliographic and preview cross-check for the fourth edition, 1880-2009 market-winner framing, and edition metadata.
3. Internet Archive, How to Make Money in Stocks, 1991 record - Earlier-edition bibliographic anchor; restricted scan limits direct quotation, but helps map edition history.
4. Internet Archive, How to Make Money in Stocks, 2002 record - Additional earlier-edition record used to avoid treating the 2009 edition as the only public version.
5. McGraw Hill, 24 Essential Lessons for Investment Success - Publisher source for the compact lesson book's publication data and lesson sequence.
6. Internet Archive, 24 Essential Lessons for Investment Success - Restricted bibliographic record used to corroborate the lesson-book publication and contents metadata.
7. McGraw Hill, The Successful Investor - Publisher source for O'Neil's post-bear-market execution manual and edition metadata.
8. Apple Books, The Successful Investor - Publisher-description source for the book's loss-avoidance, timing, chart-pattern, and portfolio-management framing.
9. Internet Archive, The Successful Investor - Restricted bibliographic record exposing chapter sequence on market direction, 3-to-1 plan, buying, selling, and portfolio management.
10. Google Books, How to Make Money Selling Stocks Short - Bibliographic and preview source for the O'Neil/Morales short-selling supplement, including short-sale anatomy and model short-sale examples.
11. Wiley, How to Make Money Selling Stocks Short - Official publisher anchor for title, authorship, and edition data; access was limited from some regions.
12. Internet Archive, How to Make Money Selling Stocks Short - Restricted record used to cross-check bibliographic details.
13. Google Books, The Model Book of Greatest Stock Market Winners - Bibliographic anchor for the 1971 William O'Neil & Co. model-book source.
14. Open Library, The Model Book of Greatest Stock Market Winners - Library metadata lead for the model-book project; used for provenance, not direct quotations.
15. William J. O'Neil legacy site - Official memorial source for O'Neil's bibliography, model-book lineage, Schwager feature, and chronology; promotional and internally inconsistent on seven versus eight model-book editions.
16. William O'Neil + Co. founder bio - Official source for Datagraph/Daily Graphs lineage, books, and biography; used as affiliated provenance.
17. William O'Neil + Co. 1970 heritage page - Official source tying Datagraphs, model books, Daily Graphs, and O'Neil Data Systems into the method's early publishing infrastructure.
18. William O'Neil + Co., What We Do - Current official methodology statement connecting historical-winner studies, Model Books, data science, and institutional research products; promotional, not independent performance proof.
19. O'Neil Securities, Our History - Official history of the firm, model-book research, CAN SLIM factors, Daily Graphs, and IBD lineage.
20. PR Newswire, 2010 MarketSmith launch - Product-continuity source for Daily Graphs/MarketSmith chart, screen, and model workflow.
21. News Corp, 2021 IBD acquisition announcement - Primary ownership source for the post-O'Neil Capital IBD context, $275 million acquisition price, and digital/subscription business mix.
22. News Corp, 2021 IBD acquisition completion - Primary source confirming IBD's May 2021 acquisition closing and Dow Jones operation.
23. IBD William J. O'Neil author archive - Official archive of articles attributed to O'Neil, including republished historical-winner studies; use with date/authorship caveats.
24. IBD, EMC historical-winner case study - Example of the America' s Greatest Opportunities case-study format used to extend model-book teaching online.
25. IBD, Amgen historical-winner case study - O'Neil-attributed online model-stock case study; useful for applied pattern-language context.
26. IBD, Chrysler historical-winner case study - O'Neil-attributed case-study source for the online model-book tradition.
27. IBD William O'Neil Interviews category - Official index for O'Neil interview/video titles, dates, durations, and transcript leads.
28. IBD, "Interview with William J. O'Neil" - Official 2009 interview page tied to the new edition of How to Make Money in Stocks; transcript not visible in static fetch.
29. IBD, "Bill O'Neil In-Depth Interview" - Official interview page and lead for future transcript/caption retrieval.
30. MarketSurge Classics webinar page - Official source for O'Neil/Scott O'Neil model-book webinars and member-only archived teaching material; not quoted without transcript.
31. MarketSurge investing webinar archive - Official archive showing ongoing teaching around The Successful Investor, 24 Essential Lessons, Model Book Stocks, and O'Neil sell rules.
32. Jack Schwager, Market Wizards Google Books record - Bibliographic anchor for the most important outside O'Neil interview; use an authorized copy for final quotations.
33. TurtleTrader, O'Neil excerpt from Market Wizards - Secondary excerpt lead for Schwager/O'Neil wording; useful for source discovery, not heavy quotation.
34. Motley Fool, 2002, Bill O'Neil interview Part 2 - Best source-visible Q&A for O'Neil on market direction, leadership, institutional sponsorship, P/E skepticism, and sell rules.
35. LA Times, 2006, "The Profiting Prophet of Playa del Rey" - Best critical narrative on the books, seminars, CAN SLIM subculture, lack of audited personal record, and execution difficulty.
36. LA Times, 1992, "O'Neil Tries His Investment Theories on Mutual Fund" - Independent source for New USA, O'Neil Fund capacity/liquidity issues, and public-fund implementation caveats.
37. LA Times, 1998, New USA follow-up - Independent source for David Ryan transmission context and benchmark-sensitive New USA performance.
38. CBS MoneyWatch / Larry Swedroe, 2010 - Skeptical source separating strategy claims and screen/backtest claims from real-world implementation after costs.
39. North and Stevens, 2015, AAII screens paper - Academic source for CAN SLIM-like screen performance, transaction-cost, account-size, and factor-control caveats.
40. Schadler and Cotten, Financial Services Review, 2008 AAII screens paper - Earlier AAII-screen evidence and transaction-cost discipline; extraction was limited, so cite cautiously.
41. Rick Ferri, Serious Money PDF - Practitioner critique of high turnover, expenses, tax friction, and public-fund implementation drag; secondary source.
42. Jegadeesh and Titman, 1993, momentum paper - Academic support for relative-strength/momentum ingredients within the O'Neil method, not proof of full CAN SLIM.
43. George and Hwang, 2004, 52-week-high momentum paper - Academic support for the new-high/relative-strength ingredient in O'Neil's writings.
44. Bernard and Thomas, 1990, post-earnings-announcement drift - Academic support for earnings-surprise drift as a partial analogue to O'Neil's earnings emphasis.
45. Bhushan, 1994, earnings drift and trading costs - Academic caveat that frictions matter when converting earnings-drift evidence into investor returns.
46. Portfolio123 / Yuval Taylor, CAN SLIM critique - Practitioner quant critique of survivorship/lookback risk, strict-screen implementation, and which CAN SLIM ingredients appear more useful.
47. CapForce IBD 50 ETF details - Current live-product source for IBD 50 methodology implementation, expenses, holdings, and performance caveats.
48. WealthManagement / Bloomberg, 2023 O'Neil obituary - Balanced secondary synthesis for O'Neil's books, data-analysis legacy, O'Neil Fund/New USA caveats, and posthumous context.

Task G Source Map

Added: 2026-07-11 for T0403 G-mental-models.

1. BusinessWire, William O'Neil + Company death announcement - Company-source death/status confirmation and affiliated chronology.
2. FINRA BrokerCheck individual report, William Joseph O'Neil / CRD #352887 - Primary regulatory source for personal registration status and absence of disclosed individual events.
3. SEC/IAPD individual report, William Joseph O'Neil - Primary adviser-registration source for prior IAR status and no representative disclosure events.
4. FINRA BrokerCheck firm report, O'Neil Securities / CRD #894 - Primary source for firm-level registration, ownership, and final regulatory events.
5. FINRA Disciplinary Actions, July 2023 - Primary source for the 2023 O'Neil Securities censure and $30,000 fine; firm-level caveat.
6. News Corp, 2021 IBD acquisition announcement - Primary ownership source for News Corp's $275 million acquisition of IBD from O'Neil Capital.
7. News Corp, 2021 IBD acquisition completion - Primary source confirming May 5, 2021 closing and Dow Jones operation.
8. O'Neil Capital Management, About Us - Current official affiliate/family-office structure source.
9. William O'Neil + Company affiliates - Current official affiliate map for William O'Neil + Company, OGA, O'Neil Securities, ODS, India, Shanghai, and strategic-capital relationships.
10. William J. O'Neil legacy site - Affiliated chronology for model books, Daily Graphs, IBD, O'Neil Fund claim, and deliberate mistake-review culture; promotional but central.
11. Google Books, How to Make Money in Stocks, fourth edition - Bibliographic and preview anchor for O'Neil's main CAN SLIM text and 1880-2009 market-winner framing.
12. IBD methodology overview - Current affiliated description of O'Neil/IBD methodology pillars: fundamentals, technicals, market direction, and risk management.
13. CapForce IBD 50 index construction PDF - Current methodology source for IBD 50 universe, liquidity, 52-week-high, 50-day-average, ranking, topping, and weekly rebalance rules.
14. Motley Fool, 2002 Bill O'Neil interview Part 2 - Source-visible O'Neil Q&A on leadership, institutional sponsorship, P/E/dividend/book-value skepticism, and sell rules.
15. IBD routine - Current affiliated source for CAN SLIM routine, chart use, buy/sell discipline, and watchlist workflow.
16. IBD taking-profits lesson - Current affiliated source for 7% loss-control framing, 20%-25% profit-taking, and eight-week exception logic.
17. IBD sell-rule example - Current affiliated source for loss discipline and sell-rule framing.
18. Google Books, How to Make Money Selling Stocks Short - Bibliographic and preview source for O'Neil/Morales short-selling framework and risks.
19. MarketSurge app listing - Current product-continuity source for MarketSurge/MarketSmith tooling.
20. IBD home - Current IBD product-ecosystem context for Digital, Leaderboard, SwingTrader, MarketSurge, eIBD, and IBD Live.
21. Jegadeesh and Titman, 1993 momentum paper - Academic evidence for intermediate-horizon momentum, supporting the relative-strength ingredient.
22. George and Hwang, 2004 52-week-high momentum paper - Academic evidence supporting the new-high/relative-strength ingredient.
23. PEAD review - Academic review source for post-earnings-announcement drift as a partial analogue to O'Neil's earnings-surprise emphasis.
24. North and Stevens, 2015 AAII CAN SLIM screens paper - Academic source for CAN SLIM-like screen performance and transaction-cost/account-size caveats.
25. Portfolio123 CAN SLIM guide - Practitioner quant critique of CAN SLIM implementation, leadership/sponsorship coding, and survivorship/lookback risk.
26. Los Angeles Times, 1992, O'Neil mutual-fund profile - Independent source for New USA launch, O'Neil Fund rise/fall, liquidity/capacity caveat, and public-fund stop-rule mismatch.
27. SEC CANGX summary prospectus, 2019 - Primary filing for CAN SLIM Select Growth Fund expenses, turnover, cash authority, non-replication language, and benchmark returns.
28. Innovator SAI - Primary ETF disclosure source for IBD 50 ETF portfolio turnover rates.
29. CapForce FFTY details - Current ETF source for FFTY expense ratio, holdings, net assets, weekly rebalance, and performance versus S&P 500 TR as of June/July 2026.
30. Innovator IBD reorganization notice - Current source for the 2026 reorganization of FFTY/BOUT into Capital-Force ETF Trust and fund-risk caveats.
31. IBD obituary/disclaimer page - Affiliated obituary and current IBD informational/non-recommendation disclaimer context.
32. O'Neil Global Advisors terms - Current OGA disclaimers on no public offering, no recommendation, and past-performance limits.

Task H Source Map

Added: 2026-07-11 for T0404 H-synthesis.

1. BusinessWire, William O'Neil + Company death announcement - Company-source status and chronology check for death, Syntex/O'Neil Fund claims, and methodology lineage.
2. SMU, "SMU remembers William J. O'Neil" - Institutional source for death date, education, and memorial context.
3. News Corp, 2021 IBD acquisition announcement - Primary source for IBD sale price, seller, and post-O'Neil ownership boundary.
4. News Corp, 2021 IBD acquisition completion - Primary source confirming May 5, 2021 close and Dow Jones operation.
5. O'Neil Capital Management, About Us - Current official family-office and affiliate-context source after O'Neil's death.
6. William O'Neil + Company affiliates - Current official source for O'Neil-affiliated businesses and ownership boundaries.
7. IBD CAN SLIM overview / welcome - Current affiliated source for CAN SLIM definitions, fundamentals-plus-charts framing, and market-direction emphasis.
8. IBD University, 7%-8% sell rule - Current affiliated source for hard loss-control doctrine.
9. Motley Fool, 2002 Bill O'Neil interview Part 2 - Source-visible own-words interview on leadership, institutional sponsorship, valuation skepticism, and sell rules.
10. Los Angeles Times, 1992, O'Neil mutual-fund profile - Independent source for New USA, O'Neil Fund rise/fall, liquidity/capacity caveat, and public-fund implementation limits.
11. Los Angeles Times, 1998, New USA follow-up - Independent source for benchmark-sensitive public-fund evidence and sale/reorganization context.
12. Los Angeles Times, 2006, "The Profiting Prophet of Playa del Rey" - Independent critical profile on O'Neil's influence, unaudited record, and commercial ecosystem.
13. WealthManagement / Bloomberg, 2023 obituary - Secondary synthesis for personal-account, O'Neil Fund, New USA, and corporate-history claims.
14. Federal Register, 1976 O'Neil Fund deregistration notice - Official source for O'Neil Fund post-sale/deregistration context.
15. SEC CANGX summary prospectus, 2019 - Primary filing for CAN SLIM Select Growth Fund expenses, turnover, cash authority, and benchmark returns.
16. CapForce FFTY details - Current live-product source for IBD 50 ETF expenses, holdings, spreads, and performance versus S&P 500 TR.
17. CapForce IBD 50 index construction PDF - Current methodology source for IBD 50 universe, ranking, weighting, and weekly rebalance rules.
18. Innovator IBD reorganization notice - Current source for 2026 FFTY/BOUT reorganization and product-risk caveats.
19. FINRA BrokerCheck individual report, William Joseph O'Neil / CRD #352887 - Primary source for personal registration history and absence of disclosed individual events.
20. FINRA BrokerCheck firm report, O'Neil Securities / CRD #894 - Primary source for O'Neil Securities firm-level registrations and disclosures.
21. FINRA Disciplinary Actions, July 2023 - Primary source for the 2023 O'Neil Securities censure and $30,000 fine; firm-level caveat.
22. Jegadeesh and Titman, 1993 momentum paper - Academic source supporting intermediate-horizon momentum as an ingredient, not proof of full CAN SLIM.
23. George and Hwang, 2004 52-week-high momentum paper - Academic source supporting the new-high/relative-strength ingredient.
24. North and Stevens, 2015 AAII CAN SLIM screens paper - Academic source for CAN SLIM-like screen performance and transaction-cost/account-size caveats.
25. FindLaw, Harris v. Investor's Business Daily - Business/employment litigation caveat; not investment-method proof.
26. CaseMine, William O'Neil + Co. v. Validea - Legal/IP and methodology-brand caveat; not a performance case.