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The dollar strengthened as the Iran conflict spread, with investors treating it as a haven asset. The article notes that potential oil price increases could affect Federal Reserve interest-rate policy, and the US said it would guide ships out of restricted waterways.
Restricted waterways and higher oil prices raise shipping and energy costs, while a firmer dollar weighs on US feed commodity exports.
barrons.comAdam Clark, Reshma KapadiaMar 2, 2026After 89 past bullish geopolitics events, DXY moved a median +0.5% over 5 sessions (74% higher; middle half -0.0% to +1.0%), and +0.3% over 20.
After 626 past bullish geopolitics events, WTI moved a median +2.1% over 5 sessions (62% higher; middle half -2.3% to +8.5%), and +1.6% over 20.
Not enough comparable past events yet for a historical read.
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.
Barron's reports the dollar strengthened on 2026-03-02 as a haven during the Iran conflict, with oil-driven Fed policy implications adding support.
