KOSPI, KOSDAQ jump over 5%, triggering buy sidecars in both markets

Nov 10, 2026, 10:15 am

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The trading floor at Hana Bank on Nov. 10, 2026. /Yonhap

Buy-side trading curbs, known as sidecars, were triggered on both South Korea's KOSPI and KOSDAQ markets on Tuesday as the two benchmark indexes surged.

According to the Korea Exchange (KRX), program buy orders were temporarily suspended on the KOSPI market at 9:06 a.m. and on the KOSDAQ market at 9:10 a.m.

A buy-side sidecar is triggered on the KOSPI when KOSPI 200 futures rise at least 5% from their reference price and remain at that level for one minute.

On the KOSDAQ, the mechanism is activated when KOSDAQ 150 futures rise at least 6% and the KOSDAQ 150 index gains at least 3%, with both conditions sustained for one minute.

As of 9:17 a.m., the KOSPI was up 5.59% from the previous session at 5,299.25, while the KOSDAQ had gained 5.04% to 671.18.

Han Hye-sung

#KOSPI #KOSDAQ #Sidecar #Stock market