Buy-Side Sidecar Triggered at One Point on Both KOSPI and KOSDAQ

The KOSPI rose by more than 2%, closing above the 7,400 mark, while the KOSDAQ surged by over 5%. During the session, both markets experienced sharp increases, triggering a buy-side sidecar.

The KOSPI index started trading at 7,552.49, up 260.58 points from the previous trading day, displayed on the electronic board showing the domestic stock market status in the dealing room of Hana Bank headquarters in Jung-gu, Seoul, on July 10, 2026. Photo by Jinhyung Kang

The KOSPI index started trading at 7,552.49, up 260.58 points from the previous trading day, displayed on the electronic board showing the domestic stock market status in the dealing room of Hana Bank headquarters in Jung-gu, Seoul, on July 10, 2026. Photo by Jinhyung Kang

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On July 10, the KOSPI closed at 7,475.94, up 184.03 points (2.52%) from the previous session. Starting the day above the 7,500 level, the KOSPI climbed by more than 5% during intraday trading, briefly surpassing the 7,600 mark. At 12:54 p.m., a buy-side sidecar was triggered on KOSPI200 futures, as prices stayed more than 5% above the base price for one minute, resulting in the suspension of program buy orders for five minutes.


The KOSPI's gain was led by institutional investors. While foreign investors and individuals recorded net sales of 330 billion won and 772.8 billion won respectively, institutions posted net purchases totaling 1.1319 trillion won.


By sector, all stocks except telecommunications (-1.55%) saw gains. Medical precision instruments (+9.10%), construction (+6.48%), and securities (+5.92%) posted the largest increases.


Among the top 20 stocks by market capitalization, 18 closed higher, with only HD Hyundai Heavy Industries (-0.59%) and SK hynix (-0.27%) declining. Notable gainers included SK (+7.70%), KB Financial Group (+7.58%), and Doosan Enerbility (+6.69%).


The KOSDAQ closed at 837.43, surging 43.43 points (5.47%) from the previous day. After opening above the 800 mark, the KOSDAQ's intraday gains exceeded 6%, triggering a buy-side sidecar at 1:08 p.m.


By investor type, institutions recorded net purchases of 582.6 billion won, while foreigners and individuals posted net sales of 159.8 billion won and 424.6 billion won, respectively.


All sectors except pharmaceuticals (-3.64%) ended higher. Machinery and equipment (+10.83%), electrical and electronics (+8.01%), and financials (+6.90%) recorded particularly strong gains.



Among the top 20 stocks by market capitalization, 18 saw price increases, while only HLB (-29.89%) and D&D Pharmatech (-2.66%) declined. Major gainers included PSK (+24.44%), TES (+22.55%), and Wonik IPS (+19.16%).


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