Thematic Pillar Hub · 1 Published Briefings

Asia

Asia institutional intelligence, quantitative benchmarks, primary regulatory filings, and market structure analysis from APAC Capital Brief. Seoul has a real close. Yonhap reported the KOSPI up 0.3% at 5,550.30, Samsung Electronics up 0.47% and SK hynix up 4.42%, after the index opened 2.36% lower.

Curated by Kenji Takahashi, CFA (CFA, Chief APAC Macro & Semiconductor Equity Strategist) · Fact-checked by APAC Capital Brief Institutional Review Board

Key Institutional Takeaways — Asia

The KOSPI finished at 5,550.30, up 16.53 points, or 0.3%, Yonhap reported at 15:36 in Seoul.
It had opened 2.36% lower. Thursday’s session had fallen more than 3%, in the same Yonhap report.
Samsung Electronics closed at 215,500 won, up 0.47%. SK hynix closed at 1.28 million won, up 4.42%, after opening lower.

All Asia Research Briefings (1)

2026-10-23Kenji Takahashi, CFA

KOSPI closes at 5,550.30 after opening 2.36% lower

Seoul has a real close. Yonhap reported the KOSPI up 0.3% at 5,550.30, Samsung Electronics up 0.47% and SK hynix up 4.42%, after the index opened 2.36% lower.

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Frequently Asked Questions — Asia

Is 5,550.30 an intraday reading?

No. Yonhap labelled it the close, in a story timed 15:36 Seoul on 23 October, and a separate Yonhap flash carried the same 5,550.30 figure as the closing print.

Did Korean chip stocks follow the Nasdaq lower?

Not at the close. Yonhap said the KOSPI’s prior session fell more than 3%, and that Friday’s open was weak, but Samsung finished slightly higher and SK hynix finished up 4.42%.

What did the won do?

Yonhap quoted it at 1,324.6 per dollar as of 3:30 p.m., stronger by 0.4 won from the previous stock-session close.

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