South Korea halted KOSPI equity index futures trade after a 5% drop

  • South Korea exchange triggers its 'sidecar'
kospie sidecar 05 November 2025 2

After the slide on Wall Street on Tuesday regional equites here are feeling the heat.

  • Nikkie 225 is down 5% from its record high hit on Tuesday

In South Korea, KOSPI futures halted after a 5% slide.

In brief:

  • The 'sidecar' is a rule that lets the Korea Exchange (KRX, the operator of SK's bourse) halt futures trading of equities during periods of extreme market volatility.
  • Triggered when the benchmark KOSPI futures contract moves more than 5% from the previous close.
  • The KRX limits program trading for five minutes as a 'circuit breaker'

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More:

KOSDAQ halted too

  • 6% drop
  • programme trading halted for 5 minutes

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