KOSPI Closes Up 2.05%…Samsung Electronics Gains 4.58%, HT Robotics Surges

Market at a Glance

The KOSPI closed at 5,668.05, up 2.05% from the previous day. A total of 889 stocks traded on the KOSPI, with 744 advancers, 123 decliners, and 22 unchanged stocks, showing a predominance of advancers. Trading value was approximately KRW 30조8,115억원. By investor type, foreign investors and other investors were net buyers, while individuals and institutions were net sellers.

On the KOSDAQ, 1,491 stocks advanced, 184 declined, and 39 were unchanged out of 1,714 stocks. The average change rate was 3.50%, and trading value was approximately KRW 7조4,223억원. On the KOSDAQ, institutions and other investors were net buyers, while foreign investors and individuals were net sellers.

Major Market Stocks

SK hynix, one of the leading stocks by trading value, closed at 1,265,000 won, up 2.18%. Trading volume was 6,866,439 shares, trading value was approximately KRW 8조8,432억원, and its five-day change rate was -24.97%.

Samsung Electronics finished trading at 217,000 won, up 4.58%. Trading volume was 32,388,349 shares, and trading value was approximately KRW 7조33억원. Its five-day change rate was -17.33%.

Stocks in Focus

HT Robotics closed at 8,830 won, up 23.50%. Trading volume was 31,941,225 shares, its trading-volume ratio against the 20-day average was 5.63 times, and its five-day change rate was 50.94%. Trading value was approximately KRW 2,739억원.

Hyosung Heavy Industries finished at 1,945,000 won, up 8.72%. Trading volume was 145,464 shares, the trading-volume ratio was 1.95 times, and trading value was approximately KRW 2,787억원. Its five-day change rate was -22.63%.

Korean Air closed at 26,500 won, down 10.02%. Trading volume was 8,400,986 shares, the trading-volume ratio was 3.53 times, and trading value was approximately KRW 2,288억원. Its five-day change rate was -13.11%.

Key Filings

For Samsung Electronics, a “Report on the Status of Large-Volume Holdings of Stocks, etc. (General)” and a “Report on the Status of Ownership of Specific Securities, etc. by Officers and Major Shareholders” were filed on October 16. Korean Air disclosed “Operating Results (Preliminary) (Fair Disclosure)” and “Corporate Presentation (IR) (Guidance Disclosure).” SK hynix received a filing for “Corporate Presentation (IR) (Guidance Disclosure).”

• 삼성전자 · 주식등의대량보유상황보고서(일반) (005930) — View DART filing
• 삼성전자 · 임원ㆍ주요주주특정증권등소유상황보고서 (005930) — View DART filing
• 대한항공 · 기업설명회(IR)개최(안내공시) (003490) — View DART filing
• 대한항공 · 영업(잠정)실적(공정공시) (003490) — View DART filing
• SK하이닉스 · 기업설명회(IR)개최(안내공시) (000660) — View DART filing

Next Trading Day Checkpoints

• Check whether the KOSPI's upward trend continues
• Observe changes in the distribution of advancing, declining, and unchanged stocks on the KOSPI and KOSDAQ
• Check trading-volume changes in stocks in focus, including HT Robotics and Korean Air
• Check for additional filings related to Samsung Electronics, Korean Air, and SK hynix

This article was written solely based on the price, trading, market breadth, and filing information provided to FACT on October 16, 2,026.