On the 21st, the KOSPI index jumped more than 4% intraday, triggering a buy-sidecar (temporary suspension of program buy orders). The index, which opened lower at 6,400, widened its intraday gains and climbed above the 6,800 level.

On the 21st in Jung District, Seoul, a digital board in the Hana Bank dealing room displays market indicators including KOSPI; the KOSPI opens at 6,553.88, up 0.57% (37.61 points) from the previous day's 6,516.27./Courtesy of News1.

Korea Exchange (KRX) said it triggered a buy-sidecar at 12:41 p.m. that day. Through that day, there had been 20 sell-sidecar triggers and 19 buy-sidecar triggers on the main board.

A buy-sidecar on the main board is a market stabilization mechanism that is activated when futures based on the KOSPI200 rise 5% or more and stay there for one minute.

At the time of activation, KOSPI200 futures were trading at 1,086.58 points, up 5.17% from the previous session. Program trading volume then showed net buying of 986.8 billion won.

The KOSPI index is expanding its intraday gains. As of 1:28 p.m. that day, the KOSPI index was trading at 6,826.58, up 310.31 points (4.76%) from the previous session. Foreign investors were net buyers of 256.4 billion won and institutions 1.53 trillion won, while individuals alone were net sellers of 1.7 trillion won.

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