Sell-side sidecar triggered on Kosdaq

Korea's Kosdaq fell nearly 5 percent in early Friday trading, prompting a temporary suspension of program sell orders.

News Team
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A currency trader watches monitors near a screen showing the Kospi and the foreign exchange rate between U.S. dollar and Korean won at the foreign exchange dealing room of the Hana Bank headquarters in central on Aug. 21, 2026.

The Kosdaq plunged nearly 5 percent in intraday trading Friday, triggering a sell-side trading curb, known locally as a sidecar.

Program sell orders were suspended for five minutes from 10:05 a.m., according to the Korea Exchange.

At the time the measure was triggered, Kosdaq 150 futures were at 1,387.40, down 89.60 points, or 6.06 percent, from the previous close. The Kosdaq 150 spot index fell 80.71 points, or 5.48 percent, to 1,391.11.

As of 10:10 a.m., the Kosdaq stood at 800.37, down 40.52 points, or 4.82 percent, from the previous session. The Kospi was down 52.82 points, or 0.76 percent, at 6,800.76. The Kosdaq’s losses widened to more than 5 percent at one point during intraday trading.

Samsung Electronics was trading less than 2 percent higher, while SK hynix was up more than 3 percent.


BY KIM JI-HYE  [[email protected]]

This article was originally written in Korean and translated by a bilingual reporter with the help of generative AI tools. It was then edited by a native English-speaking editor. All AI-assisted translations are reviewed and refined by our newsroom.

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