South Korea's KOSPI Plunges 25% in 3 Weeks, Erasing 1.833 Quadrillion Won in Market Cap

According to Korea Exchange, KOSPI collapsed to the 6,800 level on July 14, down from above 9,100 on June 22, marking a decline of approximately 25% and erasing 1.833 quadrillion won in market capitalization within three weeks.

Samsung Electronics and SK Hynix accounted for 68% of the total market value loss, with Samsung's market cap falling 529 trillion won and SK Hynix's dropping 717 trillion won. Single-stock leveraged ETFs suffered steeper losses, with SK Hynix leveraged funds down 60% and Samsung leveraged funds down 50%.

Individual investors' deposit balances at brokerages declined 22% to 109.12 trillion won from a peak of 139.69 trillion won on June 4, according to the Financial Investment Association. On July 14, individual investors recorded net selling of 5.8 trillion won—the largest single-day net outflow in two months.