KOSPI Closes at All-Time High... 3,657.28 [fn Closing Market Report]
- Input
- 2025-10-15 16:11:57
- Updated
- 2025-10-15 16:11:57

[Financial News] The KOSPI set new all-time intraday and closing highs in a single day, rewriting the history of the Korean stock market.
According to the Korea Exchange (KRX) on the 15th, the KOSPI closed at 3,657.28, up 2.68% from the previous trading day. This marks the first time KOSPI has surpassed the 3,650 mark. During intraday trading, it peaked at 3,659.91, setting a new record.
Institutional investors and foreigners were the main drivers of the index's rise. On this day, institutions made a net purchase of 829.6 billion won and foreigners bought a net 212.6 billion won in the main board market. In contrast, individual investors recorded a net sale of 1.1151 trillion won.
Most of the top market capitalization stocks posted gains. Samsung Electronics, the largest by market cap, closed at 95,000 won, up 3.71% from the previous session. SK hynix (2.67%), Samsung Biologics (9.74%), and Doosan Enerbility (9.37%) also saw significant increases. Hanwha Aerospace (2.25%) and HD Hyundai Heavy Industries (2.22%) each recorded gains of over 2%.
By sector, machinery (7.78%), pharmaceuticals (5.06%), utilities (4.02%), and construction (3.96%) posted strong advances. On the other hand, insurance declined by 0.78%.
Kang Jinhyuk, a researcher at Shinhan Securities, stated, "The domestic stock market has entered the full-fledged earnings season," and added, "Solid fundamentals are expected to continue." He also noted, "Volatility arising from U.S.-China tensions should be viewed as an opportunity to increase holdings."
On the same day, the Korean Securities Dealers Automated Quotations (KOSDAQ) closed at 864.72, up 1.98% from the previous session. In the KOSDAQ market, foreigners and institutions bought a net 37 billion won and 53.3 billion won, respectively, while individuals sold a net 99.5 billion won.
hippo@fnnews.com Kim Chan-mi Reporter