Paul Tudor Jones Black Monday: The 62% Month

Key Takeaways

• Tudor Investment was positioned short going into Black Monday, October 19, 1987.
• A 1929 analog model built by analyst Peter Borish flagged crash-like conditions.
• Jones reportedly gained about 62 percent in October 1987 and roughly 200 percent for the year.
• His edge was risk control and the 200-day moving average, not a single prediction.

Background

By his mid-thirties Paul Tudor Jones had already built a reputation as an aggressive futures trader. He learned the business trading cotton on the New York Cotton Exchange under veteran trader Eli Tullis, and he founded Tudor Investment Corporation in 1980, according to multiple profiles of his career. The firm traded futures across commodities, currencies, and stock indexes, the kind of go-anywhere mandate now called global macro.

Jones was also a public figure in a way few traders were. A documentary called "Trader," directed by Michael Glyn and filmed over late 1986 and early 1987, followed him through his trading day. The film, released in 1987, captured Jones arguing that the market was near the end of a very long bull run and could be heading for a serious break. That timing is what makes it remarkable: the cameras recorded the thesis before the crash that proved it.

The setup for that thesis was a market many considered stretched. Jones later described 1987 stocks as "stupidly overvalued," noting in a Bloomberg-reported account that 10-year Treasury yields were around 10.5 percent while equity dividend yields sat near 4.5 to 5 percent, a gap of more than 500 basis points that made bonds look far more attractive than stocks. The Federal Reserve's own history of the period notes that in the years before the crash, equity prices had been rising faster than earnings, pushing valuations to levels some commentators warned were excessive.

At the center of Tudor's research was Peter Borish, Jones's research director and one of the firm's most senior people. Borish had built an analog model, an overlay chart that lined up the stock market of the 1980s against the 1920s. The correlation looked striking, and it framed how the firm read the months leading into October 1987.

What Happened

The crash did not arrive without warning signs, and Jones had been leaning bearish for weeks. The acute phase unfolded fast once selling began.

• Late 1986 to early 1987: The "Trader" documentary is filmed, capturing Jones's view that a long bull market is ending. (Letterboxd; Earn2Trade)
• Through 1987: Borish's analog model comparing the 1980s to the 1920s shapes Tudor's bearish positioning. (Earn2Trade)
• September 24, 1987: Jones signs off a note to investors with "caveat emptor," buyer beware, per a Bloomberg-reported recollection. (Investing.com/Bloomberg)
• Week of October 12 to 16, 1987: Stocks slide hard; the S&P 500 falls more than nine percent for the week, the Federal Reserve study notes, leaving heavy selling pressure building.
• Monday, October 19, 1987: The Dow falls 508 points, about 22.6 percent, its largest one-day percentage drop on record. Tudor is positioned short into the open.
• Black Monday close: Jones decides to go heavily long fixed income, expecting the Fed to ease. (Investing.com/Bloomberg)
• Tuesday, October 20, 1987: The Federal Reserve pledges to act as a source of liquidity, and the bond bet pays as rates fall.

Jones's own account of the day, reported by Bloomberg, is vivid. "My prior going into the day was that it was going to close on the lows," he recalled. "I had to stay short and take the pain of gain no matter what." Watching the selling cascade, he said, "There was red everywhere, and all I could think about was how cornered the portfolio insurers were."

The second leg of the trade came at the bell. Anticipating a central-bank response, Jones said, "I decided to get very long fixed income on the close on Black Monday, as I knew the Fed would react." The next morning the Fed issued its liquidity pledge and bonds rallied, rewarding the pivot from short equities to long bonds.

Why It Happened

The first ingredient was the analog. Borish's overlay chart suggested the 1980s rally rhymed with the run-up to 1929, and the model tracked how far the Dow had stretched above its long-term trend, a deviation that had spiked before past breaks. The firm treated that as a warning that the upside was thin and the downside, if it came, could be severe. Jones himself later framed the parallel plainly, telling an interviewer it was "the same old story, with different characters, different times, different plots."

It is worth separating documented method from legend here. Borish has acknowledged "fudging the exercise somewhat by juggling the starting periods" to align the two eras, according to reporting on the analog model. That candor matters: the chart was a thesis-shaping tool, not a precise forecast, and the crash it anticipated arrived on a different timeline than the model's literal projection. The lesson is in the risk posture the model encouraged, not in a claim that a chart predicted the exact day.

The second ingredient was Jones's read on market structure. He argued the crash was, in his words, "an absolute accident waiting to happen," because stock-index futures had no price limits while the portfolio insurance strategies feeding the market relied on selling those futures as prices fell. "If and when it broke," he said, "because of the derivative structure, the downside was going to be unlimited, literally unlimited because there were no limits on futures." That matches the Federal Reserve's analysis of 1987, which describes a feedback loop in which portfolio insurance and index arbitrage amplified the decline.

The third, and most transferable, ingredient was discipline. In Jack Schwager's "Market Wizards," and in his later talks, Jones credits a single rule above all: "My metric for everything I look at is the 200-day moving average of closing prices." When the market broke that line, the rule said get defensive. As he put it, "At the very top of the crash, I was flat." The big short was not a hero bet placed on a hunch; it was the product of a system that told him to reduce risk and lean short as conditions deteriorated, then to reverse into bonds once the panic created a new opportunity.

By the Numbers

• Black Monday Dow drop: 508 points, about 22.6 percent, on October 19, 1987, the largest one-day percentage decline on record. (Federal Reserve History; Carlson FEDS)
• Prior week: the S&P 500 fell more than nine percent in the week ending October 16, 1987. (Carlson FEDS)
• October 1987 fund return: reportedly about 62 percent. Reported figure; accounts vary on whether this is the month or the period, so treat it as an approximate, widely-cited number. (Earn2Trade)
• Full-year 1987 return: reportedly around 200 percent, with some accounts citing roughly 125 to 127 percent net of fees. Reported and estimated figures; sources differ. (Earn2Trade; TurtleTrader)
• Profit from the crash: an estimated $100 million, per later reporting. Estimate, not an audited figure. (Yahoo Finance/Moneywise)
• Tudor Investment Corporation founded: 1980. (Earn2Trade)
• Documentary "Trader": directed by Michael Glyn, runtime about 56 minutes, released 1987, filmed before the October crash. (Letterboxd)
• Valuation gap Jones cited: 10-year yields near 10.5 percent versus equity dividend yields of 4.5 to 5 percent in 1987. (Investing.com/Bloomberg)

Aftermath

Paul Tudor Jones came out of October 1987 as a star. The reported returns, combined with the "Trader" documentary that had captured the call, made him one of the best-known macro traders of his generation and helped Tudor Investment grow into a major firm. No legal or regulatory action attached to the trade; positioning short and then long bonds was an ordinary, lawful use of futures markets, and Jones was not accused of any wrongdoing in connection with the crash.

The documentary had a strange second life. Jones reportedly asked the director to pull "Trader" from circulation in the 1990s, and few copies remain in general distribution, which only added to the legend around the 1987 call. That makes primary verification of some on-screen claims harder, so this study relies on what the film's records and reputable reporting describe rather than on disputed clips.

For markets, Black Monday itself drove the lasting structural change, not Jones's trade. The crash led regulators and exchanges to adopt market-wide circuit breakers, trading halts that pause the market after large declines, precisely the kind of limit Jones had argued the futures market lacked in 1987. He has remained an active manager and public commentator for decades since, and in 2026 reporting he again warned about stretched valuations and the risk of weak long-term equity returns, a reminder that the 1987 framework still informs his thinking.

Lessons for Investors

1. A process beats a prediction. Jones did not simply guess that stocks would fall. He had a rule, the 200-day moving average, that told him to get defensive when prices broke trend. The famous short was the output of a repeatable method, so the lesson is to build a rule you will actually follow, not to hunt for the next big call.

2. Risk control is the edge. By his own account, Jones was "flat" at the top, having already cut exposure as the market weakened. Protecting capital first is what let him be aggressive when the opportunity was real. Decide in advance how much you are willing to lose on a position before you decide how much you hope to make.

3. Be honest about what your model really shows. Borish acknowledged adjusting the start dates to make the 1929 and 1987 charts line up. The analog was useful as a warning, not as a precise forecast. Treat any backward-looking pattern as a prompt to manage risk, not as proof of what happens next.

4. Have the next trade ready before the panic ends. Jones flipped from short equities to long bonds at the close on Black Monday because he expected the Fed to ease. The biggest gains often come from the reaction, not the crash itself. Think through what you will do after the move, while you can still think clearly.

5. Survive the wait, then act decisively. Jones leaned bearish for weeks before the break, absorbing the cost of being early. A view only pays if your positions and your nerves can outlast the period when the market disagrees with you. Size positions so that being early does not force you out before you are proven right.

Frequently Asked Questions

What is the story of Paul Tudor Jones and Black Monday in simple terms? Paul Tudor Jones and Black Monday refers to his 1987 bet that the market would crash, made through short positions in his Tudor Investment fund. When the Dow fell about 22.6 percent on October 19, 1987, the fund reportedly gained around 62 percent that month.

Why did Paul Tudor Jones expect the 1987 crash? His research director Peter Borish had built a chart overlaying the 1980s market on the run-up to the 1929 crash, which suggested similar overvaluation. Jones also saw that index futures had no price limits, so portfolio insurance selling could spiral, which he called an accident waiting to happen.

How much did Paul Tudor Jones make on Black Monday? Reported figures put his October 1987 gain at about 62 percent and his full-year return near 200 percent, with some accounts citing roughly 125 to 127 percent net of fees. Later reporting estimates he made about $100 million on the crash, though these are reported and estimated numbers, not audited ones.

Could a trade like Paul Tudor Jones's 1987 short happen again today? The same playbook of leaning short into a fragile market and reversing into bonds is still possible, but the structure has changed. Circuit breakers now halt trading after large drops, and the portfolio insurance dynamics of 1987 have been studied and partly regulated, though crowded automated strategies remain a risk.

What is the main lesson from Paul Tudor Jones and Black Monday? The core lesson is that disciplined risk control, not a single prediction, made the trade work. Jones had already cut exposure using a simple trend rule, which let him profit from the crash and pivot afterward instead of being caught in it.

Sources

1. Investing.com (Bloomberg). Druckenmiller, Tudor Jones, Michael Lewis Remember Black Monday. https://www.investing.com/news/stock-market-news/druckenmiller-tudor-jones-michael-lewis-remember-black-monday-542099
2. Carlson, M. (2007). A Brief History of the 1987 Stock Market Crash with a Discussion of the Federal Reserve Response. Federal Reserve Finance and Economics Discussion Series 2007-13. https://www.federalreserve.gov/pubs/feds/2007/200713/200713pap.pdf
3. Federal Reserve History. Stock Market Crash of 1987. https://www.federalreservehistory.org/essays/stock-market-crash-of-1987
4. Earn2Trade Blog. Paul Tudor Jones: The Trader Who Predicted the 1987 Crash. https://www.earn2trade.com/blog/paul-tudor-jones/
5. TurtleTrader. Paul Tudor Jones: Top Market Wizard, the 200-Day Rule, and the 1987 Crash. https://www.turtletrader.com/trader-jones/
6. Yahoo Finance (Moneywise). Legendary investor who made an estimated $100 million on 1987 crash says investors could see negative 10-year returns. https://finance.yahoo.com/markets/stocks/articles/legendary-investor-made-estimated-100-091500814.html
7. Letterboxd. Trader (1987 documentary, directed by Michael Glyn). https://letterboxd.com/film/trader/
8. Yahoo Finance. Paul Tudor Jones: here's why the 1987 crash was an accident waiting to happen. https://finance.yahoo.com/news/paul-tudor-jones-heres-1987-crash-accident-waiting-happen-143801507.html

Disclaimer

This article is educational content only and is not financial advice. Nothing here is a recommendation to buy, sell, or hold any security. Consult a licensed advisor before making investment decisions.