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The won weakened past 1,525 per dollar on March 30, its weakest since March 2009, after Trump threatened to strike Iran's oil wells and export infrastructure. Brent crude rose above $100 and a surge in US Treasury yields lifted the dollar.
Higher oil prices and a stronger dollar both raise Korea's energy and import costs, weakening the won and making dollar-priced feed ingredients more expensive. Escalation of strikes on Iranian energy infrastructure would extend this pressure.
tradingeconomics.comErika OrdonezMar 30, 2026Not enough comparable past events yet for a historical read.
After 656 past bullish geopolitics events, Crude Oil (Brent) moved a median +1.9% over 5 sessions (63% higher; middle half -2.7% to +6.6%), and +0.7% over 20.
Moves of each commodity's benchmark from the last close before the event. Historical reads pool past events of the same kind; they describe what happened, not what will. Not investment advice.
