KOSPI rises 2.6%; KOSDAQ jumps 5.6%
Samsung Electronics gained 3.57% and SK hynix rose 5.36%. Foreign investors bought a provisional net 655.2 billion won in KOSPI shares.

Market data: Korea Exchange regular-session close & Hana Bank USD/KRW reference rate, 2026-11-11 (KST)

The KOSPI rose 136.23 points, or 2.60%, to 5,375.36 on Wednesday. Samsung Electronics gained 3.57%, while SK hynix rose 5.36%. The KOSDAQ jumped 37.49 points, or 5.62%, to 705.10.
Foreign investors were net buyers of 655.2 billion won in KOSPI shares, according to provisional post-close data from Naver Pay Securities. Institutions sold a net 482.4 billion won, while individuals sold 715.4 billion won.
On the KOSDAQ, institutions bought a net 313.6 billion won. Foreign investors sold 133.4 billion won and individuals sold 185.6 billion won.
The KOSPI’s previous close was 5,239.13, while the KOSDAQ had ended Tuesday at 667.61.
Chipmakers advance
SK hynix closed at 1,277,000 won, up from Tuesday’s 1,212,000 won. Samsung Electronics rose above 200,000 won to finish at 206,000 won, compared with 198,900 won a day earlier. Its preferred shares advanced 3.77% to 165,000 won.
Among other heavyweights, LG Energy Solution added 1.51% to 335,500 won and Celltrion gained 1.97% to 207,000 won. KB Financial Group rose 0.39% to 153,300 won, while NAVER added 0.67% to 194,300 won.
Several large companies fell. Samsung Biologics lost 2.59% to 1,430,000 won, and HD Hyundai Heavy Industries declined 1.87% to 262,500 won. Kia dropped 1.56% to 94,600 won, while Hyundai Motor fell 0.91% to 272,500 won. Hanwha Aerospace finished unchanged at 659,000 won.
Price sources: Naver Pay Securities for index closes; Yahoo Finance for share closes, cross-checked against Naver Pay Securities. Prices cover the Nov. 11 regular session.
U.S. inflation and the next release
U.S. consumer prices rose 0.4% in October from the previous month, while prices excluding food and energy increased 0.3%, both seasonally adjusted, according to the Bureau of Labor Statistics. The figures were released on Nov. 10.
The BLS is scheduled to release October U.S. producer price data on Nov. 13 at 22:30 KST, according to its release calendar.
Sources
- Naver Pay Securities — KOSPI daily index prices finance.naver.com
- Naver Pay Securities — KOSDAQ daily index prices finance.naver.com
- Naver Pay Securities — KOSPI investor trading, Nov. 11, 2026 finance.naver.com
- Naver Pay Securities — KOSDAQ investor trading, Nov. 11, 2026 finance.naver.com
- Yahoo Finance — Samsung Electronics historical prices finance.yahoo.com
3 more sources
- Yahoo Finance — SK hynix historical prices finance.yahoo.com
- BLS — October 2026 Consumer Price Index bls.gov
- BLS — November 2026 release schedule bls.gov