KOSPI Surges 3.09%… SK Hynix Rises 6.51%

KOSPI closed at 5,638.34, up 3.09% from the previous trading day, maintaining an upward trend. With advancing stocks greatly outnumbering decliners on both KOSPI and KOSDAQ, SK Hynix and Samsung Electronics stood out as leading stocks by trading value.

Market at a Glance

KOSPI rose 3.09% to 5,638.34. Of the 888 stocks traded on KOSPI, 631 rose, 217 fell, and 40 were unchanged. The average percentage change was 1.33%, and trading value was approximately KRW 23.4 trillion. By investor type, foreign investors, institutions, and other investors were net buyers, while individual investors were net sellers.

Korea market daily snapshot for 20261027

KOSDAQ Market

Of the 1,716 stocks traded on KOSDAQ, 1,209 rose, 437 fell, and 70 were unchanged. The average percentage change was 1.75%, and trading value was approximately KRW 7.4 trillion. In terms of trading flows, foreign investors and institutions were net buyers, while individuals and other investors were net sellers.

Leading Market Stocks

SK Hynix, one of the leading stocks by trading value, closed at KRW 1,374,000, up 6.51%. Its trading value was approximately KRW 605 billion, and its five-day percentage change was 15.46%. Samsung Electronics closed at KRW 224,500, up 4.91%, with trading value of approximately KRW 497 billion and a five-day percentage change of 7.42%.

Stocks in Focus

SK Square rose 10.31% to KRW 856,000, with a trading volume of 1,137,328 shares and a five-day percentage change of 18.07%. Samsung E&A closed at KRW 62,800, up 5.02%, with a trading volume of 4,853,393 shares and a five-day percentage change of 44.04%. JYP Ent. on KOSDAQ closed at KRW 37,800, down 10.32%, with a trading volume of 4,718,688 shares, or 12.65 times its 20-day average.

Key Corporate Filings

At SK Hynix, filings including “Report on the Ownership Status of Specific Securities, etc. by Executives and Major Shareholders,” “Report on the Results of Treasury Share Acquisition,” and “[Correction] Resolution on the Cancellation of Shares” were identified. At Samsung Electronics, “Report on the Ownership Status of Specific Securities, etc. by Executives and Major Shareholders” and “Report on the Status of Large-Scale Holdings of Shares, etc. (General)” were identified. At Samsung E&A, “Resolution on the Cancellation of Shares” and “Report on Major Matters (Resolution on the Acquisition of Treasury Shares)” were identified, while at SK Square, “[Correction] Resolution on the Cancellation of Shares (Key Management Matter of a Subsidiary)” was identified. JYP Ent. filed a “Clarification Regarding Rumors or Reports.”

  • JYP Ent. · 풍문또는보도에대한해명 (035900) — View DART filing
  • 삼성전자 · 임원ㆍ주요주주특정증권등소유상황보고서 (005930) — View DART filing
  • SK스퀘어 · [기재정정]주식소각결정(자회사의 주요경영사항) (402340) — View DART filing
  • SK하이닉스 · 임원ㆍ주요주주특정증권등소유상황보고서 (000660) — View DART filing
  • SK하이닉스 · 자기주식취득결과보고서 (000660) — View DART filing
  • SK하이닉스 · [기재정정]주식소각결정 (000660) — View DART filing
  • 삼성전자 · 주식등의대량보유상황보고서(일반) (005930) — View DART filing
  • 삼성E&A · 주식소각결정 (028050) — View DART filing
  • 삼성E&A · 주요사항보고서(자기주식취득결정) (028050) — View DART filing

Next Trading Day Checkpoints

  • Whether the upward trend in KOSPI continues
  • Changes in the distribution of advancing, declining, and unchanged stocks on KOSPI and KOSDAQ
  • Changes in trading volumes of SK Hynix, Samsung Electronics, and major stocks in focus
  • Whether additional filings are made by major stocks
This article is based solely on the price, trading, trading-flow, and corporate-filing information included in FACT and does not contain investment solicitation or forecasts.

Recent reports on this topic

2026-10-30KOSPI plunges 3.48%… SK hynix falls 8.31%, KOSDAQ also weak2026-10-29KOSPI Falls 1.24%…Samsung Electronics Plunges, Hanwha Vision Surges2026-10-28KOSPI Surges 6.63%…Trading Value Concentrated in SK hynix and Samsung Electronics2026-10-26KOSPI Falls 1.46%… SK hynix Rises, Lunit Surges 30.69%2026-10-23KOSPI Closes Higher at 5,550.30…Strength in SK hynix and Samsung E&A
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