Dollar Gains as US Military Action in Iran Weighs on Ceasefire Hopes

Dollar Edges Higher Against Major Currencies Amid Renewed Tensions in Iran

The US dollar edged higher against major currencies, including the euro and yen, on Tuesday, following renewed US strikes on Iran that dented optimism for a near-term ceasefire. This surge in demand for the safe-haven greenback was driven by investors' growing concerns about the conflict's impact on global markets.

The US had conducted defensive strikes in southern Iran, which Iran claimed was a violation of a ceasefire. US Secretary of State Marco Rubio stated that negotiating a deal to halt the conflict could "take a few days." Despite earlier hopes for a peace deal, US President Donald Trump's confident assertions have not been followed by an actual agreement to open the crucial Strait of Hormuz shipping channel.

As a result, optimistic talk over the weekend that pushed Brent crude oil prices below $100 a barrel has eased, and demand for the greenback has picked up. Investors' hopes for a swift end to the conflict have waned, and the market is now waiting for developments. Marc Chandler, chief market strategist at Bannockburn Global Forex in New York, noted that the market's reaction is straightforward: "We go home over the weekend, thinking we're close to a ceasefire, and now there are new hostilities."

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Key Currency Exchange Rates

The dollar index rose 0.13% to 99.16 after falling 0.3% the previous day. Brent crude futures rose 3.58% to settle at $98.58 a barrel after dropping 7% on Monday. The British pound fell 0.45% to $1.3445.

The shift in sentiment also weighed on the Japanese yen, pushing it closer to the 160-per-dollar level that traders see as a potential trigger for intervention by Tokyo. The Australian dollar, often viewed as a proxy for risk, was 0.1% down at $0.7167.

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The dollar strengthened 0.03% to 6.786 versus the offshore Chinese yuan. FX markets remain narrowly focused on the conflict in the Middle East, with Goldman Sachs analysts noting that the correlation across dollar pairs remains exceptionally high.

In related news, Treasury yields fell sharply on Tuesday as US markets returned from a holiday, catching up on a drop in global bond yields built on expectations for a peace deal. The yield on benchmark US 10-year notes fell 7.6 basis points to 4.497%.