Black Monday Trading Safeguards

U.S. market safeguards from 1987 crash still active today.

Oct 19, 2026

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Black Monday Trading Safeguards

U.S. market safeguards from 1987 crash still active today.

In brief

U.S. market safeguards from 1987 crash still active today. U.S. trading circuit breakers, set to pause markets during steep declines, were established after Black Monday 1987 crash. Originally reported by TokenPost.

Black Monday Anniversary

A red breaker lever rests before three brass threshold bars / TokenPost.ai

The 39th anniversary of Black Monday falls Monday, Oct. 19, after a weaker Friday session for U.S. stock benchmarks.

1987 Market Crash Impact

The Dow Jones Industrial Average fell 508 points, or 22.6%, in one session on Oct. 19, 1987, a market break that led to new trading safeguards.

Current Trading Safeguards

If the S&P 500 falls 7% or 13% from its previous close before 3:25 p.m. ET, trading pauses for 15 minutes.

The one thing

U.S. trading circuit breakers, set to pause markets during steep declines, were established after Black Monday 1987 crash.

Read the original on TokenPost

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