Bullstory
Jun 8, 2026

KOSPI and KOSDAQ plunge together as circuit breakers are triggered one after another

8As sharp declines continued in South Korea’s domestic stock market, a sell-sidecar was triggered on KOSPI, while circuit breakers were activated one after another on KOSDAQ and KOSPI in the afternoon. KOSPI ended the session down 8.3%, while KOSDAQ closed down 9%.


KOSPI and KOSDAQ plunge together as circuit breakers are triggered one after another

8Various automated trading suspension mechanisms were activated because of the sharp decline in South Korea’s domestic stock market. During the morning session, a sell-sidecar was triggered on KOSPI. Some trading was temporarily restricted.

The decline widened during the afternoon session. A circuit breaker was first triggered on KOSDAQ, suspending trading. The trigger was reportedly around 2 p.m. 38 minutes.

KOSDAQ trading was suspended for 20 minutes. KOSDAQ subsequently resumed trading. The resumption was reported to have occurred around 2 p.m. 58 minutes.

The KOSPI also fell sharply on the same day. In the tally before the market close, the KOSPI had plunged 8.3% . The KOSDAQ closed down 9%.

The market confirmed that circuit breakers and sidecars were triggered one after another during the day. In accordance with the regulations, the exchange halted and resumed trading. During the session, the indices and numerous stocks showed significant volatility.

Regarding this incident, the trading suspension and resumption times, the extent of the index decline, and other details can be confirmed through exchange disclosures and market tallies. Investors should refer to the disclosed timetable and exchange announcements. Further breaking news will be based on exchange announcements.

Sources: 국내언론,연합인포맥스,연합뉴스 경제

Bullstory synthesized this report from the linked sources. AI may have assisted the writing process. Check the original reports for factual confirmation.