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KOSPI Falls 9.6% as Losses Deepen After Circuit Breaker Halt

7/29/2026

South Korea's KOSPI index fell 9.6% in a session where circuit breakers were triggered and losses accelerated once trading resumed, according to market data.

The halt and what came after The KOSPI sold off to a level that triggered circuit breakers, pausing trading on the exchange.

The mechanism exists to halt market activity when an index falls past a predetermined threshold, creating an interval before participants can resume buying or selling.

When the KOSPI reopened, the decline did not reverse. Losses widened after the pause, bringing the index's total drop to 9.6%.