The Greatest Stock Market Crashes in History
The Greatest Stock Market Crashes in History#
Market crashes are traumatic events that live long in the memory and reshape regulation. But they are also invaluable opportunities to learn. Understanding past crises is the best preparation for future ones.
Black Thursday
After the speculative frenzy of the Roaring Twenties, the DJIA loses 89% in three years. Five thousand banks fail. The Great Depression lasts a decade, and the DJIA does not regain its 1929 level until 1954.
Black Monday
On 19 October, the DJIA falls 22.6% in a single day — the largest one-day percentage loss on record. The cause: automated program trading and portfolio insurance. Recovery took two years.
The dot-com bubble bursts
The NASDAQ loses 78% between March 2000 and October 2002. Companies such as Pets.com go from billions to nothing. Amazon falls 90% but survives. The NASDAQ does not reclaim its 2000 peak until 2015.
The subprime crisis
The collapse of Lehman Brothers triggers the worst crisis since 1929. The S&P 500 loses 57%. Central banks inject trillions. Bitcoin is born (2009) in reaction to this crisis.
The Covid-19 crash
The S&P 500 falls 34% in 23 days — the fastest crash in history. But also the fastest recovery: the index reclaims its highs within five months on the back of massive stimulus.
-89%
DJIA 1929-1932
-22.6%
DJIA in one day (1987)
-78%
NASDAQ 2000-2002
-57%
S&P 500 2007-2009
5 months
Covid recovery (2020)
The Lessons Worth Keeping#
- Markets always recover — but the time to recovery can be very long (25 years for 1929)
- Excessive speculation always ends badly — when your taxi driver starts talking about stocks, it is time to sell
- Diversification is the best protection — a 60/40 portfolio has withstood every crisis
- Buying during panic is historically the best strategy — "Be fearful when others are greedy"
- Regulation is born of crisis — the SEC (1934), Dodd-Frank (2010), MiCA (2023)
Historical Perspective
Despite all these crashes, the S&P 500 has returned an average of 10% a year over the past century. An investor who put $1,000 into the S&P 500 in 1923 would have more than $20 million today (with dividends reinvested).
Warning
Past performance is no guide to future performance. This article is for educational purposes only.
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