Woofun AI data shows that South Korean individual investors purchased 3.89 trillion won worth of Samsung Electronics and SK Hynix shares on the day of the market crash, absorbing supply from foreign and institutional sellers. Despite holding these positions as stock prices subsequently rose by approximately 9.8% and 12.8% respectively, retail traders reversed their stance and executed net sales totaling 5.15 trillion won over the following two days. The average purchase price for Samsung Electronics was 261,700 won, while the average selling price dropped to 259,400 won; similarly, SK Hynix was bought at an average of 1,938,500 won and sold at 1,849,300 won, leading to an estimated total loss of 138.2 billion won for this cohort.