A program sell-side temporary trading halt (sidecar) has been triggered on the KOSPI market. The KOSPI index has fallen to the 7,600-point range.


The KOSPI index started the day on June 10th with a decline for the tenth consecutive day, falling below 8,000 points again after just one day. Various indices are displayed on the status board in the dealing room of Hana Bank headquarters in Jung-gu, Seoul. 2026.06.10 Photo by Dongju Yoon

The KOSPI index started the day on June 10th with a decline for the tenth consecutive day, falling below 8,000 points again after just one day. Various indices are displayed on the status board in the dealing room of Hana Bank headquarters in Jung-gu, Seoul. 2026.06.10 Photo by Dongju Yoon

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On June 10, Korea Exchange announced that a sell-side sidecar was activated on the KOSPI market at 1:16:25 p.m. that day.


The sell-side sidecar is a mechanism that halts program selling for five minutes to reduce volatility. It is triggered when the KOSPI 200 futures drop by 5% and remain at that level for one minute.



As of 1:36 p.m., the KOSPI index was trading at 7,620.52, down 476.41 points (5.88%) from the previous trading day.


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