Kosdaq closes up 5.6 percent, Kospi up 2.6 percent

South Korea's Kosdaq closed up 5.62 percent at 705.10 on Wednesday, recovering the 700 level, and the Kospi closed up 2.60 percent at 5,375.36, despite heightened concern about a possible large US rate hike.

Why it matters: A second consecutive Kosdaq buy sidecar, and a close above 700 driven by large semiconductor shares, extends the sharp rebound in Korean growth and chip linked shares after last week's selloff, even as US rate risk rose.

Data as of Yonhap News Agency report of November 11, 2026, in Korean, read in full via the estate browser route, for the Korea Exchange sidecar time and the intraday index figures; Yonhap cited no cause for the intraday surge and named no leading stocks. Updated November 11, 2026 with Yonhap's closing report of the same day, in Korean, read in full via the estate browser route: the closing levels and point moves, the lower open and intraday high for the Kospi, and the attribution to large semiconductor shares despite concern about a possible large US rate hike are from that report; it named no individual stocks and gave no flow figures. Developing item.

Latest. The Kosdaq closed up 37.49 points, or 5.62 percent, at 705.10 on Wednesday, November 11, recovering the 700 level, and the Kospi closed up 136.23 points, or 2.60 percent, at 5,375.36, Yonhap News Agency reported. Yonhap said the rise came despite heightened concern about a possible large, or big-step, US benchmark rate hike, and was helped by gains in large semiconductor shares; the Kospi had opened down 29.42 points, or 0.56 percent, at 5,209.71 and reached 5,377.99 late in the session.

South Korea’s Kosdaq index surged earlier on Wednesday, rising 4.75 percent to 699.34 by 11:32 a.m. in Seoul and then climbing more than 5 percent to recover the 700 level, Yonhap reported. The Kospi was up 1.19 percent at 5,301.46 at the same time.

The Korea Exchange triggered a buy sidecar in the Kosdaq market at 11:28 a.m., suspending program buy orders for five minutes after the Kosdaq 150 futures price rose 6.06 percent and the Kosdaq 150 spot index rose 6.19 percent. It was the second consecutive session with a Kosdaq buy sidecar, after one also sounded on Tuesday.

Kosdaq closes up 5.6 percent, Kospi up 2.6 percent

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