Conflict shows how maritime chokepoints can quickly destabilize energy imports, financial markets and policy planning

The U.S.-Israel campaign against Iran has exposed a structural vulnerability in South Korea’s economic model after geopolitical shocks in the Persian Gulf triggered circuit breakers and derivatives sidecars on Korean equity markets this week.

The Korea Exchange suspended trading on both the KOSPI and KOSDAQ markets after the benchmark index plunged more than 8% amid escalating Middle East tensions. Program trading was halted through sell-side sidecars before broader circuit breakers froze activity for 20 minutes as volatility spread.

The U.S.-Israel campaign against Iran has exposed a structural vulnerability in South Korea’s economic model after geopolitical shocks in the Persian Gulf triggered circuit breakers and derivatives sidecars on Korean equity markets this week.

The Korea Exchange suspended trading on both the KOSPI and KOSDAQ markets after the benchmark index plunged more than 8% amid escalating Middle East tensions. Program trading was halted through sell-side sidecars before broader circuit breakers froze activity for 20 minutes as volatility spread.

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