KOSPI Smashes All-Time High: Foreign Investors Absorb Record Retail Selling
South Korea's benchmark KOSPI index closed at 6,388.47 on April 21, setting a new all-time high and surpassing the previous record of 6,307.27 set on February 26. SK Hynix hit a historic closing high of 1.224 million KRW (+4.97%) the same day.
What Made This Rally Different
The session saw a striking divergence: retail investors sold a net 2.365 trillion KRW yet foreign and institutional buyers absorbed every won and pushed the index higher. Foreign investors alone bought 1.747 trillion KRW net, with institutions adding another 796.2 billion KRW.
Three factors converged:
- South Korea's April 1-20 exports surged 49.4% YoY, with semiconductor exports up over 180% (Korea Customs Service). AI server infrastructure demand drove HBM memory exports alongside recovering DRAM/NAND prices.
- SK Hynix 2026 operating profit consensus has climbed to ~205 trillion KRW (per domestic brokerages), ahead of the April 23 earnings release.
- US March PPI came in below forecast (1.1% expected), reviving Fed rate cut expectations and pushing capital toward export-heavy emerging markets like Korea.
Three Scenarios Ahead
- Bull (30%): KOSPI 7,000p -- requires semiconductor exports to maintain strength and June FOMC rate cut
- Base / Neutral (45%): KOSPI 6,200-6,600p range -- solid fundamentals offset by short-term exhaustion
- Bear (25%): KOSPI 5,500p or below -- triggered by US-China trade tensions or semiconductor tariff revival
Current data points toward the neutral scenario. For the full analysis in Korean, visit Snakestock
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