Timeline of U.S. Stock Market Crashes

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A stock market crash is a sudden, deep fall in a broad index such as the S&P 500 or the Dow Jones Industrial Average, usually a double-digit percentage loss over a few days or weeks. The U.S. record of these events starts with the Panic of 1792 and includes the 1929 crash that opened the Great Depression, the 1973 to 1974 oil-shock bear market, Black Monday in 1987, the dotcom bust of 2000 to 2002, the 2008 financial crisis, the 2010 Flash Crash and the COVID-19 crash of 2020. The largest one-day percentage loss is still Oct. 19, 1987, when the Dow fell 22.6%. The deepest drawdown belongs to 1929 to 1932, when the Dow lost close to 90% of its value and did not regain its 1929 peak until November 1954.

What Counts as a Crash

No regulator publishes an official definition of a crash. In practice, market participants use three overlapping labels:

• Correction: a decline of at least 10% from a recent closing high.
• Bear market: a decline of at least 20% from a recent closing high, regardless of how long it takes.
• Crash: a sharp decline that happens fast, often with single-day losses of several percent and panic selling across most stocks.

The labels overlap. The COVID-19 decline of 2020 was a crash and a bear market at the same time. The 1973 to 1974 decline was a severe bear market that unfolded over nearly two years, so it is usually called a bear market rather than a crash. The 2010 Flash Crash lasted minutes and never became a correction on a closing basis.

Measuring a drawdown

A drawdown is the percentage fall from a peak to a later trough:

Drawdown = (Trough value − Peak value) ÷ Peak value

The arithmetic of recovery is harsher than the arithmetic of the loss. The gain needed to get back to the old peak is:

Required gain = 1 ÷ (1 − drawdown) − 1

Hypothetical example: an index falls from 1,000 to 500, a 50% drawdown. To return to 1,000 it must double, a 100% gain. After the roughly 89% fall of 1929 to 1932, the Dow needed to rise about ninefold to get back to its peak. That arithmetic explains why the deepest crashes took the longest to repair.

Points versus percentages

Headlines often rank days by points lost, which distorts the history. A 777-point Dow drop in 2008 was about 7% of the index. A 508-point drop in 1987 was 22.6%, because the Dow stood near 2,250 at the time. Percentage declines are the only fair way to compare crash days across decades, and they are the measure used throughout this timeline unless a point figure is historically notable.

How a Crash Unfolds

Triggers differ, but many crashes pass through three broad phases:

1. Initial shock and sharp decline. A catalyst such as weak economic data, a large bankruptcy or a geopolitical event sets off a first wave of selling. The catalyst may have appeared before with little effect; this time, investors read it as a sign of deeper problems.
2. Intense selling and volatility. Prices whip up and down. Bargain hunters and the exit of the most nervous sellers can stabilize prices briefly, then forced sellers, margin calls and investors who cannot wait any longer push them down again. Economist Robert J. Shiller called the tendency to drop one’s own analysis and follow the crowd “herd behavior.”
3. Bottom formation. Selling pressure fades as investors absorb new economic data, earnings and government action. The market often tests its lows more than once before buyers believe prices will not fall much further. This phase can take weeks or months.

The 2007 to 2009 crisis shows all three phases: a series of shocks from mid-2007 into September 2008, a violent autumn and winter, and a bottom in March 2009 after repeated tests.

The self-reinforcing part is the core of the mechanism. Falling prices trigger margin calls and risk limits, which force more selling, which lowers prices further. Leverage turns a price decline into a solvency problem for investors, lenders and sometimes whole institutions.

Common Causes

Few crashes have a single cause, and economists still debate most of them. The same ingredients recur across the timeline:

• Speculation and bubbles. Optimism pushes prices well past what earnings can support. When expectations reset, prices fall hard. The late-1920s stock boom and the late-1990s internet boom are the clearest cases.
• Leverage. Borrowed money amplifies both the boom and the bust. Margin loans in 1929, portfolio hedging strategies in 1987 and mortgage-linked borrowing in 2008 all magnified the losses.
• Policy tightening. Higher interest rates or reduced government spending can deflate valuations and slow the economy. This played a role in 1937, 1962, 1973 and 2022.
• External shocks. Wars, embargoes, pandemics and terrorist attacks can change the economic outlook overnight.
• Market structure. Automated selling, thin liquidity and links between stock and futures markets can turn ordinary selling into a cascade, as in 1987 and 2010.

Markets have generally recovered given enough time, but in the biggest crises they did not repair themselves. Recoveries after 1907, 1929 and 2008 involved deliberate action by bankers, the Federal Reserve, Congress or the Treasury.

How Crashes Are Managed Today

Market-wide circuit breakers. These trading halts were introduced after the 1987 crash and redesigned in the 2010s. Under the current rules, they are tied to the S&P 500’s decline from the prior day’s close:

• Level 1: a 7% decline halts trading for 15 minutes.
• Level 2: a 13% decline halts trading for 15 minutes.
• Level 3: a 20% decline halts trading for the rest of the day.

Level 1 and Level 2 halts apply only if the decline happens before 3:25 p.m. Eastern time. A Level 3 halt can occur at any time during the session. The pause gives traders time to process information and gives market makers time to rebuild their quotes. Individual stocks also have “limit up-limit down” bands that briefly pause trading in a single stock that moves too far, too fast.

Federal Reserve action. In a severe downturn, the Fed can cut interest rates, lend to banks and other institutions, and buy assets through open-market operations to add liquidity. It did so on a large scale in 2008 and 2020, with emergency lending programs and asset purchases.

Neither tool prevents a crash. Circuit breakers slow the pace of a decline. Central bank support limits the risk that a market crash becomes a banking collapse.

The Timeline at a Glance

The major U.S. stock market crashes and downturns, in order:

• 1792: first U.S. securities panic; prices fall about 25% in two weeks.
• 1796 to 1797: land speculation bust and merchant failures.
• 1873: railroad bust; the NYSE suspends trading for the first time.
• 1901 and 1907: two panics in six years; the second leads to the Federal Reserve.
• 1929 to 1932: the Great Crash and the Great Depression; Dow down almost 90%.
• 1937 to 1938: policy-induced recession during the Depression recovery.
• 1962: the Kennedy Slide; market down more than 20%.
• 1973 to 1974: oil embargo and stagflation; S&P 500 down 48%.
• 1987: Black Monday; Dow down 22.6% in a day.
• 1989: Friday the 13th mini-crash; Dow down 6.91%.
• 1997: Asian crisis sell-off and the first market-wide circuit breaker halt.
• 2000 to 2002: dotcom bust; Nasdaq down nearly 80%.
• 2001: markets close after Sept. 11 and fall when they reopen.
• 2007 to 2009: financial crisis; major indexes lose more than half their value.
• 2010: Flash Crash; about $1 trillion in market value erased and largely restored within minutes.
• 2011: U.S. credit downgrade sell-off.
• 2015 to 2016: global sell-offs led by China, oil and Europe.
• 2018: February volatility shock and a fourth-quarter decline of almost 20%.
• 2020: COVID-19 crash; S&P 500 down 34% in 33 days.
• 2022: inflation and rate-hike bear market.

Before the Fed: 1792 to 1913

The Panic of 1792: the first U.S. crash

The first true U.S. securities crash came in March 1792, when prices fell about 25% in two weeks. The Bank of the United States had expanded credit aggressively, which fed a speculative run-up in government debt and bank shares. When the speculation unraveled, Treasury Secretary Alexander Hamilton acted much like a modern central banker. He pressed banks in several cities to keep extending credit to sound borrowers and used Treasury purchases of securities to support the market. The acute phase lasted about a month. In May 1792, a group of brokers signed the Buttonwood Agreement, the founding arrangement of what became the New York Stock Exchange.

The Panic of 1796 to 1797

A U.S. land speculation bubble burst in 1796. On Feb. 27, 1797, the Bank of England suspended specie payments under the Bank Restriction Act, tightening credit across the Atlantic. Prominent merchant firms in several major American cities failed, and many debtors went to prison.

The Panic of 1873

After a stock market crash in Europe, investors sold their holdings in American railroads. When Jay Cooke & Company, a leading U.S. bank heavily tied to railroad finance, went bankrupt, a bank run followed. At least 100 banks collapsed, and on Sept. 20, 1873, the NYSE suspended trading for the first time. The depression that followed was one of the longest of the 19th century.

1901, 1907 and the birth of the Federal Reserve

The panics of the 19th century and early 20th century shared a structural weakness: the United States had no central bank to supply cash when banks ran short. The crash of 1901, a fight for control of the Northern Pacific Railway, was blamed partly on J.P. Morgan and his rivals.

Six years later, during the Panic of 1907, bank runs and a shortage of credit threatened to force the NYSE to close. Morgan organized a private rescue, pooling money from major banks to keep the market and key institutions afloat. It worked, but it showed how much the system depended on a few private bankers, some of whom had helped cause the earlier panic.

Congress responded by creating the National Monetary Commission in 1908, chaired by Senator Nelson Aldrich, which studied banking systems around the world and recommended reforms. Its work fed into the Federal Reserve Act, signed by President Woodrow Wilson in 1913. The new system of 12 regional Reserve Banks, coordinated by a board in Washington, D.C., could act as lender of last resort, manage the money supply and issue a currency that expanded or contracted as needed.

The Fed was meant to end the cycle of recurring panics. Its first great test came 16 years later, and it failed.

The Wall Street Crash of 1929

The setup: a market without rules

In 1929 the NYSE handled more than 60% of all U.S. securities transactions, yet it was run more like a private club than a regulated market. Practices that are now illegal were routine:

• Trading pools, in which groups of insiders coordinated buying to push a stock up and then sold to the public.
• Wash sales, fake trades designed to create the illusion of activity.
• Insider trading, which was legal, with investment bankers passing privileged information to favored clients.
• Thin or misleading disclosure, as companies concealed profits and losses from shareholders.

No federal securities regulator existed. Ordinary investors were buying into a market whose prices could be manipulated and whose companies told them little. Many bought on margin, putting down a fraction of the purchase price and borrowing the rest from brokers.

From 1921 to September 1929, the Dow rose to six times its earlier high. The index peaked at 381.17 on Sept. 3, 1929.

The crash

Industrial production peaked in the summer of 1929, and stocks began to slide. By Oct. 23, the Dow had fallen about 20% from its September high, which triggered a wave of margin calls as brokers demanded repayment. On Oct. 24, Black Thursday, the Dow closed at 299.5, about 21% below the peak. Leading bankers tried to support prices with organized buying, which helped only briefly.

On Monday, Oct. 28, the Dow fell about 13%. On Tuesday, Oct. 29, Black Tuesday, it fell almost 12% more on record volume. Those two days remain among the worst in the index’s history.

The long decline to 1932

The crash was only the beginning. Stocks rallied in early 1930 and then fell for more than two years as banks failed, credit contracted and the economy collapsed. The Dow hit bottom at 41.22 on July 8, 1932, a loss of almost 90% from the 1929 peak. Unemployment reached about 25% by 1933. The Dow did not regain its 1929 high until November 1954, about 25 years later. That price-only measure overstates the investor’s experience somewhat, because dividends and falling consumer prices in the 1930s meant real, dividend-reinvested returns recovered sooner. Even so, a generation of investors was scarred.

The Federal Reserve’s response is now widely viewed as a failure. It allowed the money supply to shrink and thousands of banks to fail, turning a market crash into a depression.

The aftermath and the reforms

Congressional hearings in the early 1930s exposed how Wall Street’s leaders had operated. J.P. Morgan Jr. testified that he had paid little or nothing in U.S. income taxes in several of the boom years, and he defended the need for a “leisure class.” Testimony like that, while millions had lost their savings, built public support for reform.

The legislation that followed created the modern framework of U.S. markets:

• Securities Act of 1933: required companies selling securities to the public to register them and disclose material information.
• Banking Act of 1933 (Glass-Steagall): separated commercial and investment banking and created the Federal Deposit Insurance Corporation.
• Securities Exchange Act of 1934: created the Securities and Exchange Commission and regulated exchanges, brokers and ongoing corporate reporting.

President Franklin D. Roosevelt appointed Joseph P. Kennedy, father of future President John F. Kennedy, as the SEC’s first chair. The choice of a former market operator was controversial, but it put someone who knew the old tricks in charge of ending them.

The Recession of 1937 to 1938

The economy had been recovering since 1933 when it fell back into a sharp recession in 1937. The main cause was policy that tightened too fast on two fronts:

• Monetary tightening. Starting in 1936, the Fed doubled banks’ reserve requirements to absorb what it saw as excess reserves. Banks responded by holding even more cash and lending less, which reduced the money supply.
• Fiscal tightening. The Roosevelt administration cut deficit spending and scaled back public works programs, so government demand fell abruptly.

The results were severe. Industrial production fell sharply, real GDP dropped about 10%, and unemployment climbed back to about 19%. Stocks lost close to half their value between early 1937 and early 1938. The recession ended after the Fed and the Treasury reversed course and the administration returned to expansionary spending.

The Kennedy Slide of 1962

Stocks had risen 27% in 1961 after a long bull market through the late 1950s, and valuations had stretched. Concerns about rising interest rates, skepticism about those valuations and a mixed economic outlook after the 1960 recession set the stage for a break. A public confrontation between President Kennedy and the steel industry over price increases in April 1962 added to business unease.

On May 28, 1962, the Dow fell about 5.7%, at the time the second-largest one-day point decline on record. Over several months, the broader market fell more than 20%. The episode is sometimes described as an early flash crash, because programmed selling by institutional investors helped accelerate the decline. About 8% of stockbrokers left the business that year.

The slide did not lead to a lasting bear market. Stocks rebounded in the months that followed and had largely recovered by the end of the year, without a recession behind the decline.

The 1973 to 1974 Oil Crisis Bear Market

From January 1973 to December 1974, the S&P 500 fell 48%, one of the worst bear markets since World War II. Several shocks hit at once:

• The oil embargo. In October 1973, the Organization of the Petroleum Exporting Countries announced an oil embargo against nations supporting Israel in the Yom Kippur War. Oil prices quadrupled, from about $3 to about $12 a barrel.
• Political crisis. The Watergate scandal ended with President Richard M. Nixon’s resignation in August 1974.
• Stagflation. Inflation reached about 12% while the economy stagnated. That combination contradicted the prevailing view that inflation and unemployment could not rise together.

This was a grinding decline, not a single dramatic day. Many popular large-cap stocks of the era, the “Nifty Fifty,” which investors had treated as safe at almost any price, suffered heavy losses. The market did not fully recover in nominal terms until 1980. In inflation-adjusted terms the damage lasted much longer, because rising consumer prices eroded what investors’ shares could buy.

Black Monday: Oct. 19, 1987

Oct. 19, 1987, remains the worst single trading day in U.S. stock market history. The Dow fell 22.6% (508 points), and more than $500 billion in market value disappeared. Unlike 1929, the crash moved through global markets at once. Selling started in Asia, rolled through Europe and was already intense by the time New York opened.

Why it happened

Markets had been nervous for weeks:

• interest rates were rising and the dollar was weakening;
• the government reported a larger-than-expected trade deficit, which unsettled international investors;
• computerized program trading could fire off large sell orders automatically;
• portfolio insurance, a strategy meant to limit losses by selling stock index futures as prices fell, did the opposite on a market-wide scale.

The last point is the lasting lesson of 1987. Portfolio insurance worked for one investor in isolation. When many institutions used it at once, their automatic futures selling pushed prices down. That drove futures below the value of the underlying stocks, which led arbitrageurs to sell stocks. The falling stock prices then triggered more portfolio-insurance selling. A tool built to manage risk amplified it.

The response and the reforms

The morning after the crash, the Federal Reserve announced that it stood ready to provide liquidity to the financial system, and it encouraged banks to keep lending to securities firms. Markets steadied within days. The reforms that followed are still in place in updated form:

• circuit breakers to halt trading during severe declines;
• better coordination between stock and futures markets;
• improved communication between exchanges;
• stronger clearing and settlement procedures.

Black Monday also shows how a crash day can differ from a crash year. The S&P 500 finished 1987 with a small gain, and no recession followed until 1990.

Friday the 13th, 1989, and the 1997 Mini-Crash

Oct. 13, 1989

On Friday, Oct. 13, 1989, the Dow fell 6.91%, just after a $6.75 billion leveraged buyout of UAL, the parent company of United Airlines, collapsed when financing fell through. UAL was a tiny fraction of total market value, so a more plausible reading is that investors feared other pending buyouts, many financed with high-yield “junk” bonds, would also fail. Fear of a repeat of 1987, two years earlier almost to the day, likely added to the selling.

When trading resumed on Monday, investors largely shrugged off the drop on one of the heaviest volume days on record up to that time.

Oct. 27, 1997

Spillover from the Asian financial crisis hit Wall Street on Oct. 27, 1997, when the Dow fell 554 points, about 7.2%. It was the first time the market-wide circuit breakers created after 1987 were triggered. Those breakers were then set in points rather than percentages. The first halt came at a 350-point decline, and the second, at 550 points, closed the market early. The market rebounded strongly the next day. Regulators later concluded that point-based thresholds had become too tight as the index rose, and the rules were revised in the following years.

The Dotcom Bubble and Bust: 2000 to 2002

During the 1990s, the spread of the internet drew enormous investment into technology startups, many of which had little or no revenue. The tech-heavy Nasdaq Composite rose nearly 400% between 1995 and its peak in March 2000, when it stood above 5,000. Initial public offerings came in a rush, and companies with no profits were valued at hundreds of millions or billions of dollars. The internet did change the economy, just more slowly and less profitably than prices assumed.

The bust

The bubble began to burst in March 2000 as investors sold overvalued shares. Companies missed earnings targets or ran out of cash, and selling spread. By October 2002, the Nasdaq had fallen to about 1,100, a loss of nearly 80%. Roughly $5 trillion in market value was erased, most of it from technology companies.

Pets.com and Webvan became symbols of the collapse, shutting down after burning through their cash. Established companies were hit too. Cisco Systems, Intel and Amazon all saw their shares plunge, though they survived and eventually recovered. The Nasdaq Composite did not regain its 2000 peak until 2015.

Sept. 11, 2001

The terrorist attacks of Sept. 11, 2001, came during the first synchronized global recession in a quarter-century. U.S. stock markets stayed closed for four trading days, the longest shutdown since 1933. When they reopened on Sept. 17, the Dow fell about 7%, and it kept falling that week. Markets in the U.K., Germany, France, Canada and Japan also fell sharply. The attacks deepened the mild U.S. recession of 2001.

The 2002 downturn

After recovering from the post-attack lows, stocks slid again from March 2002 across the U.S., Canada, Europe and Asia. The decline steepened in July and again in September, when prices fell below the post-9/11 lows. Accounting scandals at Enron and WorldCom destroyed trust in corporate reporting during this period. Congress responded with the Sarbanes-Oxley Act of 2002, which tightened financial reporting and audit rules for public companies. For the S&P 500, the result was three straight calendar years of losses, 2000 through 2002, something that had not happened since the early 1940s.

The 2008 Financial Crisis

The 2008 crisis was not just a market crash. It was a near-collapse of the global financial system. Problems in subprime mortgages, loans to borrowers with weak credit, spread through mortgage securities held by banks, insurers and investors worldwide. The result was the worst economic downturn since the Great Depression.

The chain of shocks

Housing prices had peaked in 2006, and mortgage defaults rose through 2007. The S&P 500 hit its pre-crisis high in October 2007. The shocks of 2008 came in quick succession:

• March 2008: Bear Stearns, crippled by mortgage losses, is sold to JPMorgan Chase in a deal backed by the Federal Reserve.
• July 11, 2008: IndyMac, a large mortgage lender, fails.
• Sept. 7, 2008: the government takes control of Fannie Mae and Freddie Mac, which guaranteed millions of mortgages.
• Sept. 15, 2008: Lehman Brothers files for bankruptcy with $613 billion in debt, the largest bankruptcy filing in U.S. history.
• Sept. 16, 2008: the government rescues insurer AIG, taking about an 80% stake.

Sept. 29, 2008

On Sept. 29, 2008, the House of Representatives voted down the bank rescue bill, and the Dow fell 777.68 points, at the time the largest point drop on record. In percentage terms it was about 7%, smaller than many earlier crash days, but it signaled that political support for a rescue was uncertain. A revised bill, the Emergency Economic Stabilization Act, passed on Oct. 3, 2008. It created the $700 billion Troubled Asset Relief Program.

The bottom

Stocks kept falling through the winter as the recession deepened. On March 5, 2009, the Dow closed at 6,926, more than 50% below its pre-crisis high. The S&P 500 also lost more than half its value from the October 2007 peak before bottoming in March 2009. The S&P 500’s 2008 calendar-year loss of about 37% is its worst since the 1930s. The Fed cut its policy rate to near zero and began buying mortgage securities and Treasury bonds on a large scale.

Legacies of 2008

The Dodd-Frank Wall Street Reform and Consumer Protection Act of 2010 was the broadest financial reform since the 1930s. Among other things, it:

• created the Consumer Financial Protection Bureau;
• raised capital requirements for banks;
• required regular stress tests of large financial institutions;
• expanded oversight of derivatives trading;
• set up procedures for winding down failing “too big to fail” firms.

The 2010 Flash Crash

On the afternoon of May 6, 2010, the S&P 500, the Nasdaq 100 and the Russell 2000 plunged and rebounded within about 36 minutes. Roughly $1 trillion in market value vanished and then mostly returned before the close. Some individual stocks briefly traded for a penny. Others traded at absurdly high prices, as buy and sell quotes disappeared.

A joint report by the Commodity Futures Trading Commission and the SEC, released in September 2010, traced the event to a combination of factors. A large automated sell order in E-mini S&P 500 futures hit a market already stressed by the European debt crisis. High-speed traders passed contracts back and forth, and electronic liquidity providers pulled their quotes as prices fell. In 2015, U.S. authorities also charged a London-based trader with spoofing, placing orders he did not intend to execute, in E-mini futures, and linked that trading to the conditions of that day.

The Flash Crash led to single-stock circuit breakers, later replaced by limit up-limit down bands, and to the redesign of market-wide circuit breakers around percentage moves in the S&P 500. It showed a new kind of crash, driven by market structure and speed rather than a change in economic outlook.

The August 2011 Credit Downgrade Sell-Off

In the summer of 2011, Congress and the White House reached a last-minute deal to raise the federal debt ceiling. On Aug. 5, 2011, Standard & Poor’s downgraded the U.S. government’s credit rating from AAA to AA+, the first downgrade in the nation’s history. The agency said the deal fell short of what was needed to stabilize federal finances and cited the political brinkmanship behind it.

On Monday, Aug. 8, U.S. and global stocks fell sharply, with the S&P 500 down about 6.7% on the day. Fears about a slowing U.S. economy and a spreading sovereign debt crisis in Europe deepened the losses. The S&P 500 fell close to 20% from its spring high before recovering. The episode was unusual because investors sold stocks but bought U.S. Treasury bonds, the very securities that had just been downgraded.

The 2015 to 2016 Sell-Off

From June 2015, a series of global sell-offs played out over about a year. The trouble started in China, where a stock market bubble burst and authorities surprised investors by devaluing the yuan. Other pressures included the end of the Fed’s quantitative easing program, a collapse in oil prices, Greece’s debt default and, in June 2016, the U.K.’s Brexit vote.

In the U.S., the Dow fell 530.94 points, about 3.1%, on Aug. 21, 2015. On the following Monday, Aug. 24, the Dow dropped about 1,000 points shortly after the open, and more than 1,000 individual stocks and exchange-traded funds were briefly halted under single-stock limits. Some exchange-traded funds traded well below the value of their holdings. Stocks fell again in early 2016 before recovering through the rest of the year, and the sell-off never became a U.S. bear market.

The 2018 Sell-Offs

February 2018

After an unusually calm 2017, volatility returned abruptly in early February 2018. On Feb. 5, the Dow fell about 1,175 points, then the largest point drop in its history, though only about 4.6% in percentage terms. Several exchange-traded products that had bet on continued low volatility suffered huge losses, and at least one was shut down. Within days, stocks were in a correction.

The fourth quarter of 2018

The bigger decline came at the end of the year. From its late-September peak to Dec. 24, 2018, the S&P 500 fell almost 20%, just short of a bear market on a closing basis. Investors worried about rising interest rates, the Fed’s plan to keep shrinking its balance sheet, U.S.-China trade tensions and slowing global growth. December 2018 was the worst December for stocks since the 1930s. The S&P 500 finished 2018 with a loss. Stocks rebounded sharply after the Fed signaled in early 2019 that it would pause rate increases.

The 2020 COVID-19 Crash

As the coronavirus spread worldwide, the S&P 500 fell 34% in just 33 days, from its Feb. 19, 2020, peak to its March 23 low. It was the fastest fall from a record high into a bear market in U.S. history. The Dow lost 37% from Feb. 12 to March 23.

March 2020 brought repeated market-wide circuit breaker halts, the first since the percentage-based system took effect. A Level 1 halt was triggered on four separate days. On March 16, stocks fell so fast that the halt came moments after the 9:30 a.m. opening. That day the Dow lost about 12.9%, its second-worst percentage decline after Black Monday 1987.

The policy response was larger and faster than in any earlier crash:

• the Fed cut its policy rate to near zero in mid-March, restarted large-scale asset purchases and opened emergency lending programs, including for corporate bonds;
• Congress passed the roughly $2.2 trillion CARES Act at the end of March.

The rebound was as fast as the fall. By Aug. 18, 2020, the S&P 500 was at a record high, about five months after the bottom. On Nov. 24, 2020, the Dow closed above 30,000 for the first time. The gap between a booming market and a damaged economy was one of the most debated features of the episode.

The 2022 Bear Market

The most recent sustained U.S. bear market came in 2022. After record highs at the start of the year, the S&P 500 fell about 25% from its early-January peak to its October low. The Nasdaq Composite fell further, because growth and technology stocks were hit hardest. This was a slow grind rather than a crash. The trigger was inflation, which reached its highest level in about four decades, and the Fed’s response, the fastest series of interest rate increases since the early 1980s.

Higher rates hit stocks through two channels at once. They raised the discount rate investors apply to future profits, which hurt companies valued mainly on distant earnings, and they raised fears of recession. Bonds also fell sharply in 2022, so portfolios that mixed stocks and bonds had fewer places to hide than in most earlier downturns. The S&P 500 ended 2022 down about 18% including dividends. That made it the worst calendar year since 2008 and the first in decades in which both stocks and high-grade bonds lost money.

Since then, sharp sell-offs have continued to occur without matching the scale of 2008 or 2020. In early April 2025, sweeping U.S. tariff announcements sent the S&P 500 down about 10% over two trading sessions, one of the fastest two-day declines in its history, before a partial rebound.

Patterns Across the Timeline

Recovery times vary enormously

The average recovery from major U.S. crashes is often cited at about two years, but the average hides a very wide range:

• Months: 1962, 1987 (in calendar-year terms) and 2020, where the S&P 500 regained its high in about five months.
• Several years: 1973 to 1974 (full nominal recovery around 1980), 2000 to 2002 for the broad market, and 2007 to 2009, when the S&P 500 regained its 2007 peak in 2013.
• Decades: the Dow after 1929 (until 1954) and the Nasdaq after 2000 (until 2015).

The pattern follows the drawdown arithmetic shown earlier and the economic backdrop. Crashes that were mostly about panic or market plumbing, such as 1987, 2010 and 2020 with heavy policy support, healed quickly. Crashes that came after deep bubbles, banking failures or long inflation took years.

Negative calendar years

A crash does not always produce a losing year, and losing years do not always contain a crash. Since 1980, the S&P 500 has had a negative total return in 1981, 1990, 2000, 2001, 2002, 2008, 2018 and 2022. Black Monday’s 1987 and the COVID-19 year of 2020 both ended with gains. The worst calendar year on record for the index is 1931, during the Depression.

There is no fixed crash cycle

The popular idea that the market crashes every seven years does not hold up. The gaps between major episodes have been irregular: 1987 to 2000 was about 13 years, 2000 to 2007 about seven, and 2008 to 2020 about 12. Shorter shocks, such as 1989, 1997, 2011, 2015 and 2018, fall between them at uneven intervals. Crashes depend on the build-up of leverage and valuation and on when an outside trigger arrives, neither of which runs on a schedule.

The October effect

October’s reputation rests on a few memorable events, 1929, 1987, 1989, 1997 and the worst weeks of 2008, rather than on average returns. In recent decades October has often been a positive month for stocks, and September has historically had the weakest average record. Calendar patterns like these are too unstable to rely on.

What the History Means for Your Portfolio

Crash history cannot time the next crash, but it shows how different crashes hurt different holdings, which bears on how a portfolio is built.

• Diversification across asset classes has cushioned many but not all crashes. High-grade bonds rose in 2008 and 2020 as stocks fell. In 2022 both fell together, because inflation and rising rates were the cause.
• Concentration magnifies damage. Investors concentrated in technology lost far more in 2000 to 2002 than those in the broad market. Investors in bank stocks fared worst in 2008.
• Leverage turns declines into forced sales. Margin buyers in 1929 and leveraged institutions in 2008 were wiped out by moves that unleveraged holders could ride out.
• Selling after the fall locks in the loss. In most crashes on this list, much of the eventual recovery came in sharp rallies near the bottom, which are hard to catch after selling in a panic.
• Time horizon matters. Money needed within a year or two is exposed to the full depth of a drawdown. Money with a 20-year horizon has historically had time to recover from every U.S. crash except, for some unlucky entry points, the longest post-1929 and post-2000 stretches.

The Bottom Line

The history matters most to long-term investors deciding how much risk to hold and how to react during a sell-off. Recovery has taken anywhere from five months in 2020 to about 25 years after 1929, and the deepest losses followed bubbles, heavy leverage or banking failures. Spreading money across asset classes, avoiding borrowed money and keeping cash needed soon out of stocks have historically limited the damage, while selling in a panic tended to lock in losses.