South Korea's Korea Exchange paused program trading for about five minutes after KOSPI volatility triggered its sidecar mechanism. According to ChainCatcher, the sidecar is designed to respond to sharp short-term moves by restricting only program trading, while manual trading can continue normally.
Unlike a circuit breaker, the sidecar does not halt the entire market and is generally used as a temporary brake during periods of volatility. By contrast, circuit breakers are typically reserved for extreme market conditions and suspend all market trading to prevent panic-driven swings from spreading further.
KRX Pauses Program Trading for 5 Minutes After KOSPI Sidecar Trigger
2026-07-28 00:24:03
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