Black Tuesday — The Stock Market Crash Begins
16.4 million shares traded in a single day. Fortunes vanished overnight.
October 29, 1929 became Black Tuesday when panic selling consumed Wall Street. Over 16 million shares changed hands — a record that stood for decades. The ticker tape fell hours behind reality. Investors who had bought on margin faced ruin. The crash set off the Great Depression, with unemployment eventually reaching 25% and GDP contracting 30%.
Key Facts
- 16.4 million shares were traded — a record that stood for nearly 40 years
- The Dow fell 12.8% in a single day
- Margin calls wiped out leveraged investors who couldn't cover their losses
Market Impact
Dow Jones
-89.0%
1929–1932
U.S. GDP
-30.0%
1929–1933
SPY Performance - From Event Start
Monthly price change (%) from October 29, 1929. Extended 12 months beyond July 8, 1932 for recovery context.
💡 SPY data begins 1993. Use to model S&P 500 analog scenarios.
Explore This Event
Run real numbers, calculate your biggest miss, or relive this market moment in a game.
Share This Moment
Related Events
1920s–1930s
The Great Crash of 1929
The Dow fell 89% in 3 years. It took 25 years to recover.
1980s
Black Monday — Largest Single-Day Crash
The Dow lost 22.6% in a single day. Markets bounced back in 2 years.
1990s
Gulf War Market Shock — 1990
S&P 500 fell 20% as Iraq invaded Kuwait. Oil spiked 70% overnight.
1990s
The 1994 Bond Market Massacre
The Fed raised rates 7 times in 12 months. Bonds lost trillions. Stocks barely flinched.
Continue through the timeline
What this means
- Single historical episodes are context, not forecasts. Market paths can differ meaningfully in future cycles.
- Returns shown around major events can be highly sensitive to entry and exit dates, so compare multiple windows.
- Risk management and diversification matter because large drawdowns and sharp rebounds often cluster together.
Next suggested tool
Model recovery timelines with compound assumptionsEducational only - not financial advice.
What happened
October 29, 1929 became Black Tuesday when panic selling consumed Wall Street. Over 16 million shares changed hands — a record that stood for decades. The ticker tape fell hours behind reality. Investors who had bought on margin faced ruin. The crash set off the Great Depression, with unemployment eventually reaching 25% and GDP contracting 30%.
Why it mattered
- 16.4 million shares were traded — a record that stood for nearly 40 years
- The Dow fell 12.8% in a single day
- Margin calls wiped out leveraged investors who couldn't cover their losses
Worked example
Historical hypothetical - for educational purposes only. Not investment advice.
Scenario
$10,000 in SPY at the start of Black Tuesday
Hypothetical outcome
Fell to ~$1,100 at the trough (-89%)
Key lesson
Investors who held through the trough - rather than selling at the bottom - participated in the subsequent recovery. Long-term holders of broad indices eventually saw full recovery and new highs.
Run in calculator
Replay this event with prefilled dates and a sample amount to compare alternate entry points.
Open calculator with this event preset →FAQ
What happened during Black Tuesday?
October 29, 1929 became Black Tuesday when panic selling consumed Wall Street. Over 16 million shares changed hands — a record that stood for decades. The ticker tape fell hours behind reality. Investors who had bought on margin faced ruin. The crash set off the Great Depression, with unemployment eventually reaching 25% and GDP contracting 30%.
How did Dow Jones perform during this period?
Dow Jones fell 89% during 1929–1932. While painful for investors who sold, those who held through the decline often participated in the subsequent recovery.
What would $10,000 invested in SPY at Black Tuesday be worth today?
Use our Investment Calculator with SPY starting 1993-01-29 to find the precise current value. SPY data begins 1993. Use to model S&P 500 analog scenarios. Historical performance does not guarantee future results.
How long did it take markets to recover from Black Tuesday?
16.4 million shares traded in a single day. Fortunes vanished overnight. Recovery timelines varied by asset class: broad indices like the S&P 500 eventually recovered to pre-crash levels, though the duration ranged from months (2020) to years (2008) or even decades (1929). Our timeline tool lets you run these exact recovery scenarios.
What investing lessons does Black Tuesday teach?
Market crashes are a recurring feature of investing, not an anomaly. Black Tuesday reinforces several key lessons: diversification reduces but doesn't eliminate crash risk; panic-selling at the bottom locks in losses; and historically, patient investors who held through or bought during crashes were rewarded over multi-year horizons. Use our calculator to run specific "what if I had bought / sold at this exact point" scenarios.
Related links
All calculations are hypothetical and educational only. Data sources: official financial exchanges and public datasets. View full methodology →