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KRX activates sell-side sidecar for KOSPI on sharp decline

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By Yonhap
  • Published Jul 28, 2026 9:29 am KST
Dealers work at a dealing room in Hana Bank in Seoul, Thursday. Yonhap

Dealers work at a dealing room in Hana Bank in Seoul, Thursday. Yonhap

Korea's bourse operator on Tuesday activated a sell-side sidecar for the benchmark Korea Composite Stock Price Index (KOSPI) after the index fell sharply, led by losses in tech heavyweights.

Program trading in KOSPI-listed shares was suspended for five minutes around 9:06 a.m., according to the Korea Exchange (KRX).

The KOSPI fell by more than 5.69 percent as of 9:08 a.m.

The decline came as investors sold off semiconductor shares amid rising fears over excessive artificial intelligence (AI) investment.

A sell-side sidecar is triggered when the KOSPI 200 Futures Index falls 5 percent or more for at least one minute.