Birdwatch Note Rating
2025-04-07 02:25:48 UTC - NOT_HELPFUL
Rated by Participant: B21B6B76A7DCD4FE49EC36801288061150193315C7CD3BF6D37E62CB2D03618B
Participant Details
Original Note:
The largest single day crash on the stock market is impossible to achieve due to a stop in trading after a 3rd circuit breaker at a 20% decline. On October 19, 1987 (Black Monday) the market declined 22.6%, this was before the 20% circuit breaker rule was put into place. https://www.investor.gov/introduction-investing/investing-basics/glossary/stock-market-circuit-breakers https://www.federalreservehistory.org/essays/stock-market-crash-of-1987
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