Historic Milestone: KOSPI Reaches 6,615.03 Level
The South Korean equity market witnessed a historic session on Monday, April 27, 2026, with the benchmark KOSPI index (KOSPI) surging past the 6,600-point threshold for the first time in history. The index closed at 6,615.03, gaining 139.40 points or 2.15% from the previous session. The tech-heavy KOSDAQ (KOSDAQ) also joined the rally, finishing at 1,226.18, up 22.34 points or 1.86%.
Market Summary Table
| Index | Closing Value | Change | Percentage |
|---|---|---|---|
| KOSPI | 6,615.03 | +139.40 | +2.15% |
| KOSDAQ | 1,226.18 | +22.34 | +1.86% |
Semiconductor Giants Lead the Rally
The primary driver behind today’s explosive growth was the semiconductor sector, fueled by relentless demand in the global AI value chain. SK Hynix (000660.KS) stole the spotlight by surpassing the psychological 1.3 million won mark, closing at approximately 1,302,000 won (up over 5%). Investors are increasingly bullish on SK Hynix’s leadership in HBM (High Bandwidth Memory) technology.
Samsung Electronics (005930.KS) also performed strongly, closing at 222,500 won, a gain of 1.37%. The combined market capitalization of South Korean listed firms has now surpassed the 6,000 trillion won mark, reflecting the structural shift toward high-tech and AI-driven industries.
Investor Flows and Market Sentiment
Foreign investors were aggressive buyers in the KOSPI market, recording a net purchase of 890.5 billion won (8,905 100m KRW units). Institutional investors also contributed to the upside with a net buy of 1.1 trillion won. Conversely, retail investors took the opportunity to lock in profits, selling a net 1.97 trillion won in the main board. In the KOSDAQ market, retail investors remained net buyers (+139.9 billion won), while foreigners were net sellers (-180 billion won).
The sentiment remains overwhelmingly positive as analysts point toward robust export data and the successful integration of Korean firms into the global AI supply chain. For more detailed analysis and real-time updates, please visit kstocks.net.
Data Citation: This report is based on data provided by Naver Finance and the Korea Exchange (KRX). Market figures and investor flows are cross-verified with official IR releases and Tier 1 financial news sources.
Disclaimer: This article is for informational purposes only and does not constitute financial advice. Investing in the stock market involves risk. Always consult with a professional advisor before making investment decisions.
About the Author
Johnny Lee
Seoul-based full-time professional and individual investor with 5 years of active experience in the Korean stock market. My approach combines value investing with medium-term swing trading across a diversified portfolio. In 2025, my personal account delivered a 72.9% return, significantly outperforming the KOSPI benchmark. I started KStocks to bring the Korean investor perspective directly to a global English-speaking audience.
Korean blog: blog.naver.com/taximum | Contact: golchoa@gmail.com