TradingKey – During the Asian trading session on July 15, the South Korean stock market rebounded strongly, with the KOSPI Index seeing its intraday gain once exceed 7%. As KOSPI 200 index futures rose rapidly and triggered the mechanism, the Korea Exchange activated the buy-side ‘Sidecar’ mechanism, suspending program buy orders for 5 minutes. This mechanism is primarily used to mitigate the transmission of sharp index futures volatility to the spot market, which differs from a full circuit breaker that halts all market trading.

Heavyweight semiconductor stocks became the main driving force of this market rally. SK Hynix rose 12% intraday; Samsung Electronics gained nearly 8%, and Hanmi Semiconductor once surged by about 25%. Since SK…