KRX activates buy-side sidecar for KOSPI on sharp rise

김은정

2026-10-28 09:57:48

stocks-sidecar
SK hynix Inc.'s share price is displayed on the dealing room of Hana Bank in central Seoul on Oct. 28, 2026, after the chip giant posted a record-high operating profit and revenue in the third quarter. (Yonhap)

SEOUL, Oct. 28 (Yonhap) -- South Korea's bourse operator on Wednesday activated a buy-side sidecar for the benchmark Korea Composite Stock Price Index (KOSPI) as the stock index rose sharply.

Program trading for the KOSPI-listed shares was suspended for five minutes at 9:53 a.m., according to the Korea Exchange (KRX).

After opening 2.23 percent higher, the KOSPI added 255.92 points, or 4.54 percent, to 5,894.26 as of 9:55 a.m.

The index rallied as strong artificial intelligence (AI)-driven semiconductor earnings lifted investor sentiment ahead of the Federal Reserve's interest rate decision.

Before the opening bell, SK hynix Inc. reported record-high revenue and operating profit for the third quarter, driven by robust memory chip demand, and announced a shareholder return program worth more than 100 trillion won (US$75.3 billion) for 2026.

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

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