Bullish
KRX Activates Sidecar Mechanism, Halting Programmatic Trading for 5 Minutes Amid KOSPI Volatility
2026-07-28 08:09:16
South Korean exchange pauses algorithmic trading for five minutes via Sidecar mechanism to curb rapid KOSPI fluctuations, while manual trading continues uninterrupted.
Woofun AI reports that the Korea Exchange (KRX) activated the Sidecar mechanism on July 28 due to KOSPI index volatility, suspending programmatic trading for approximately five minutes. This mechanism targets short-term rapid fluctuations and restricts only automated orders, allowing manual trading to proceed normally. Unlike a full Circuit Breaker, which halts all market activity during extreme conditions to prevent panic escalation, the Sidecar acts as a "speed bump" without stopping the entire market.
WOOFUN AI
Impact Assessment · Quick Read
The activation of the Sidecar mechanism highlights heightened sensitivity in South Korean equity markets to rapid algorithmic-driven swings. By targeting programmatic trading specifically, regulators aim to dampen volatility without freezing liquidity for retail or manual traders. This distinction suggests a calibrated approach to market stability, potentially reducing the systemic shock associated with full trading halts while still curbing excessive high-frequency speculation.
Generated by WOOFUN AI · For reference only, not investment advice
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