KOSPI Index Today : September 18th

On September 18, 2026, the KOSPI index traded sharply higher in morning session, reaching around 6,850–6,860 points. This marked a gain of roughly 135–145 points, or about 2.0–2.5 percent, from the previous close of 6,715.41. The rise came as investors bought market heavyweights amid easing inflation concerns, falling oil prices, and positive overnight cues from Wall Street. Samsung Electronics and SK hynix led the advance, boosting overall sentiment. The Korean won traded near 1,385 against the U.S. dollar. Markets remained active with foreign and institutional buying supporting the upward momentum during the session.
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