Kospi Circuit Breaker Activated After Index Plunges Over 8% in Single Session

Korea Exchange halted trading as Kospi dropped more than 8%, triggering the first-stage circuit breaker to prevent panic selling and allow market absorption of shocks.

Woofun AI reports that the Korea Exchange activated a circuit breaker on the Kospi index, halting trading after the benchmark fell more than 8% in a single session. This mechanism is designed to prevent panic selling and provide a cooling-off period for traders to reassess information. South Korea’s stock market operates a three-stage system; the first stage triggers when the Kospi or Kosdaq drops at least 8% for one minute, suspending trading for approximately 20 minutes. Further declines of 15% and 20% can lead to longer halts or early closure. The activation underscores significant market stress and extreme volatility, with underlying factors driving the decline remaining present.