Korean Stock Market Hits New Record High
The Korean stock market closed at a historic high on Friday, February 20, 2026, with the KOSPI surging 2.31% to reach 5,809 points. This remarkable performance came despite overnight losses on Wall Street, highlighting the growing divergence between Korean and US equity markets.

KOSPI Breaks Through 5,800 Barrier
The benchmark Korea Composite Stock Price Index (KOSPI) shattered its previous record of 5,677.25 set just one day earlier, demonstrating extraordinary momentum in Korean equities. The index has now climbed 18.3% over the past month and posted an impressive 118.81% gain compared to the same period last year.
This surge represents a significant milestone for the Korean stock market, which has been on an extended bull run driven by optimism surrounding artificial intelligence technologies and semiconductor demand. The breakthrough above 5,800 points signals strong investor confidence in Korea’s technology sector despite global economic uncertainties.
Semiconductor Giants Lead the Rally
The market’s stellar performance was primarily driven by heavyweight chipmakers Samsung Electronics and SK hynix. The semiconductor sector attracted substantial ETF inflows as institutional investors positioned themselves to capitalize on Korea’s competitive advantages in memory chips and high-bandwidth memory (HBM) technology.
While chip stocks experienced some profit-taking during morning trading, the sector’s fundamental strength continued to support broader market gains. The rally reflects growing global demand for AI-related semiconductors and Korea’s strategic position in the supply chain.
Sector Performance and Market Breadth
Defense and Infrastructure Stocks Surge
Beyond technology, other sectors delivered impressive gains. Nuclear power plant builder Doosan Enerbility surged 6.81%, while defense contractor Hanwha Aerospace spiked 5.48%. Shipbuilders also performed strongly, with HD Hyundai Heavy and Hanwha Ocean advancing 3.14% and 2.06% respectively.
Financial stocks showed solid momentum, with KB Financial gaining 1.86% and Shinhan Financial rising 1.88%. This broad-based strength across multiple sectors indicates healthy market fundamentals beyond the technology-focused rally.

Trading Volume and Market Dynamics
The strong trading activity reflected robust participation from both domestic and foreign investors. The continued inflow of capital into Korean equities, particularly through exchange-traded funds focused on the semiconductor sector, provided substantial support for the market’s upward trajectory.
Global Market Context
Divergence from US Markets
The KOSPI’s record-breaking performance contrasted sharply with weakness in US markets. On Thursday (US time), the Dow Jones Industrial Average fell 0.54%, the tech-heavy Nasdaq Composite lost 0.32%, and the S&P 500 declined 0.28%.
The divergence was primarily attributed to increased geopolitical concerns, particularly tensions between the United States and Iran over Tehran’s nuclear program. While these uncertainties weighed on US investor sentiment, Korean markets remained resilient, supported by strong fundamentals in key export sectors.
Currency Movements
The Korean won traded at 1,450.95 per US dollar during morning sessions, down 5.45 won from the previous day. The relatively stable currency environment provided additional support for foreign investment in Korean equities.
Outlook and Investment Implications
The Korean stock market’s exceptional performance reflects several positive factors: strong semiconductor demand driven by AI applications, competitive positioning in advanced technology manufacturing, and relatively attractive valuations compared to other developed markets.
However, investors should remain mindful of potential headwinds, including global geopolitical tensions, interest rate policies from major central banks, and the sustainability of the current AI-driven technology rally. The market’s ability to maintain momentum above the 5,800 level will be closely watched in coming sessions.
For investors seeking exposure to Korea’s technology-driven growth story, the current market environment offers opportunities but requires careful attention to valuation levels and global risk factors. Stay informed about Korean market trends and analysis by subscribing to our newsletter for regular updates on KOSPI movements and investment insights.
Sources: Yonhap News Agency, Korea Exchange
