9/11: Markets Close for 6 Days
NYSE closed 6 days. The Dow dropped 14% the week markets reopened.
The September 11 attacks forced the NYSE to close for 6 trading days — the longest closure since 1933. When markets reopened on September 17, the Dow lost 684 points (7.1%) in a single day. By week's end, the index had fallen 14.3%. Airlines, insurance, and travel stocks were devastated. The market recovered to pre-9/11 levels within about a month.
Key Facts
- NYSE closed for 6 trading days — longest closure since the Great Depression
- Dow dropped 684 points (7.1%) the day markets reopened
- Markets recovered to pre-9/11 levels within roughly one month
Market Impact
Dow Jones
-14.3%
Week of Sept 17, 2001
Airlines (AVH)
-40.0%
Sept 2001
Gold
+6.0%
Sept 2001
SPY Performance - From Event Start
Monthly price change (%) from September 11, 2001. Extended 12 months beyond September 21, 2001 for recovery context.
💡 Run SPY from Sept 17, 2001 to see the recovery timeline.
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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.
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What happened
The September 11 attacks forced the NYSE to close for 6 trading days — the longest closure since 1933. When markets reopened on September 17, the Dow lost 684 points (7.1%) in a single day. By week's end, the index had fallen 14.3%. Airlines, insurance, and travel stocks were devastated. The market recovered to pre-9/11 levels within about a month.
Why it mattered
- NYSE closed for 6 trading days — longest closure since the Great Depression
- Dow dropped 684 points (7.1%) the day markets reopened
- Markets recovered to pre-9/11 levels within roughly one month
Worked example
Historical hypothetical - for educational purposes only. Not investment advice.
Scenario
$10,000 in SPY at the start of 9/11 Market Impact
Hypothetical outcome
Fell to ~$8,570 at the trough (-14%)
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.
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What happened during 9/11 Market Impact?
The September 11 attacks forced the NYSE to close for 6 trading days — the longest closure since 1933. When markets reopened on September 17, the Dow lost 684 points (7.1%) in a single day. By week's end, the index had fallen 14.3%. Airlines, insurance, and travel stocks were devastated. The market recovered to pre-9/11 levels within about a month.
How did Dow Jones perform during this period?
Dow Jones fell 14% during Week of Sept 17, 2001. 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 9/11 Market Impact be worth today?
Use our Investment Calculator with SPY starting 2001-09-17 to find the precise current value. Run SPY from Sept 17, 2001 to see the recovery timeline. Historical performance does not guarantee future results.
How long did it take markets to recover from 9/11 Market Impact?
NYSE closed 6 days. The Dow dropped 14% the week markets reopened. 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 9/11 Market Impact teach?
Market crashes are a recurring feature of investing, not an anomaly. 9/11 Market Impact 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.
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All calculations are hypothetical and educational only. Data sources: official financial exchanges and public datasets. View full methodology →