South Korea's stock market triggered circuit breakers 6 times in two months, and SK Hynix's crash brought the liquidation storm on-chain. A pre-market trade worth about $867 was adopted by the oracle, causing the SKHX contract on Hyperliquid to drop 17.9% in a short time, with nearly $80 million in long positions liquidated within 4 hours. Low liquidity, price sources, and high leverage combined—one small trade ultimately triggered a chain reaction.