KOSPI Rises 3% to Close at 5,638; KOSDAQ Also Up 2%

The KOSPI closed at the 5,600 level, up more than 3%.

A display board at the dealing room of Hana Bank's headquarters in Jung-gu, Seoul, shows domestic stock market indexes on Oct. 27, as the KOSPI surged more than 4% early in the session, triggering a buy-sidecar. 2026.10.27. Photo by Kang Jinhyeong.

On Oct. 27, the KOSPI closed at 5,638.34, up 191.18 points (3.09%) from the previous session. At 10:13 a.m., a buy-sidecar was triggered, suspending the effect of program buy orders for five minutes. The index also reached an intraday high of 5,737.61.

Individual investors were net sellers of 949.3 billion won. Foreign and institutional investors were net buyers of 591.1 billion won and 282 billion won, respectively.

By sector, electricity and electronics (4.48%), medical and precision equipment (4.30%), manufacturing (3.52%), machinery and equipment (2.26%), and financials (2.18%) advanced.

Among the top stocks by market capitalization, Samsung Electronics (4.23%), SK hynix (5.18%), Samsung Electronics preferred shares (4.20%), SK Square (7.67%), and Samsung Electro-Mechanics (7.42%) rose.

The KOSDAQ closed at 743.83, up 16.62 points (2.29%) from the previous session.

Individual investors were net sellers of 165.9 billion won. Foreign and institutional investors were net buyers of 24.5 billion won and 150.4 billion won, respectively.

By sector, non-metallic minerals (4.70%), machinery and equipment (4.23%), electricity and electronics (3.97%), financials (3.93%), and manufacturing (2.82%) advanced.

Among the top stocks by market capitalization, EcoPro (6.74%), EcoPro BM (5.58%), Jusung Engineering (4.30%), and Rainbow Robotics (1.15%) rose.

This content was produced with the assistance of AI translation services.