Market optimism regarding the potential resumption of shipping traffic through a critical oil transit route has pushed oil prices lower, contributing to the U.S. dollar's worst single-day performance in nearly two months. The Bloomberg Dollar Spot Index retreated from its highest level this year on Monday, declining 0.7% and marking its largest drop since January 27. U.S. crude oil prices fell below $100 per barrel as the U.S. President intensified pressure on nations to assist in reopening the Strait of Hormuz—a vital maritime passage connecting the Persian Gulf with international markets.

Alex Cohen, a foreign exchange strategist at Bank of America, noted, "The oil market continues to dominate foreign exchange movements. With some optimism emerging over the weekend regarding navigation prospects in the Strait of Hormuz, Brent crude prices have softened accordingly. Following last week’s strong close, the U.S. dollar appears to be entering a consolidation phase."

Since the U.S. and Israel launched strikes against Iran on February 28, energy prices and the dollar have moved in tandem. Some analysts suggest this has turned the dollar into a "petrocurrency," partly due to the U.S. position as the world’s largest oil producer and the dollar’s role as the primary currency in global crude trade.

Jayati Baradwaj, a currency strategist at TD Securities, commented, "Until the situation becomes clearer—and we are not out of the woods yet—we maintain a tactically bullish preference for the dollar."

U.S. industrial production saw moderate growth in February, supported by increases in manufacturing and mining output for the second consecutive month. Amid heightened inflation concerns following the recent surge in oil prices, the Federal Reserve is expected to keep interest rates unchanged on Wednesday. The Bank of England, European Central Bank, Bank of Japan, and Reserve Bank of Australia are also set to make interest rate decisions this week.

Strategist Brendan Fagan observed, "The broader direction of currency movements points to the global risk environment. If oil prices stabilize and geopolitical tensions gradually ease, the 'petrodollar' momentum that has dominated markets in recent weeks is likely to fade. Monday’s price action is a clear example of 'de-escalation trading'."

Since the outbreak of the conflict, all major G10 currencies have weakened against the dollar, with the Japanese yen underperforming relative to some of its peers. Japanese authorities reiterated their readiness to intervene if necessary to support the currency.

Bob Savage, Head of Market Strategy and Insights at Bank of New York, wrote, "As the conflict with Iran continues, oil prices are driving market sentiment, and headlines related to the Strait of Hormuz are steering market movements. This week’s concern revolves around how central bank governors will interpret these developments."