Dollar Dips on Fragile Middle East Hopes as Traders Brace for Key Central Bank...

The U.S. dollar gave up a bit of ground Monday, reflecting the market's uneasy mix of guarded optimism around Middle East diplomacy and lingering uncertainty heading into a packed week of central bank meetings.

Fresh overnight reports that Iran had delivered a new proposal to the U.S. via Pakistani mediators, prioritizing the reopening of the Strait of Hormuz while kicking nuclear talks down the road, provided a modest lift to risk sentiment. Yet traders remained cautious, mindful that similar hopes had flared and faded within 24 hours just two weeks earlier.

"The experience from two weeks ago suggests that any market euphoria will be much more muted this time," said Thu Lan Nguyen, head of forex and commodity research at Commerzbank.

She also pointed to another sticking point: Iran is pushing hard for the lifting of broad economic sanctions, which complicates any near-term breakthrough.

The dollar index slipped 0.3% to 98.32. The greenback had found safe-haven support in March when the conflict erupted, but has since surrendered most of those gains on ceasefire expectations, only to stabilize recently as negotiations hit roadblocks.

Energy markets stayed on edge. Brent crude futures climbed 1% to $106.40 a barrel. The Strait of Hormuz, which normally carries roughly one-fifth of the world's oil and gas shipments, remains closed, sustaining upward pressure on prices and keeping global inflation risks alive.

Euro Benefits From Europe's Greater Oil Vulnerability

The euro edged higher, gaining 0.15% to around $1.1741. The single currency had already staged a solid rally from $1.15 to near $1.18 after the initial ceasefire announcement in early April. Markets continue to differentiate between the U.S., which is far less exposed to imported oil shocks, and the euro zone and Japan, both heavily reliant on energy imports. While the European Central Bank is expected to sound relatively hawkish on the need to counter energy-driven inflation, it is still widely anticipated to leave rates unchanged at this week's meeting.

Yen Lingers Near 160 as BOJ Prepares to Signal Resolve

The Japanese yen traded just below the critical 160-per-dollar threshold, finishing the session around 159.17 after a small 0.1% advance. Traders are watching closely for any signs that could trigger intervention by Japanese authorities.

The Bank of Japan is expected to hold rates steady on Tuesday but use the occasion to signal its readiness to resume hiking as early as June. Sources familiar with the central bank's thinking say officials are determined to push ahead with normalization despite the energy shock, viewing it as a driver of broad-based inflation rather than a temporary blip. This marks a shift from last year, when higher U.S. tariffs forced a temporary pause in the tightening cycle.

Any dovish remarks from Governor Kazuo Ueda during the post-meeting press conference could weaken the yen further and increase the likelihood of Tokyo stepping into the currency market to defend it. Allianz Global Investors' global multi-asset CIO Gregor Hirt noted that a full resumption of the BOJ's hiking cycle still hinges on geopolitical stabilization.

"If tensions ease and the Strait of Hormuz becomes navigable again, hikes would probably be back on the table by summer," he said.

Fed Expected to Emphasize Patience

The Federal Reserve is almost certain to keep rates on hold at its meeting later this week. Chris Turner, head of forex research at ING, believes the Fed may take the opportunity to underscore that rates will need to remain higher for longer to combat the inflationary effects of the energy disruption. Such a message would likely offer mild support for the dollar in the near term.

Together, currency markets are walking a tightrope. Diplomatic progress on reopening the vital shipping lane could quickly ease pressure on energy prices and shift the entire narrative, but repeated false dawns have made traders skeptical. At the same time, central banks face the delicate task of responding to an intense but potentially transitory commodity shock without overreacting.

The dollar's slight retreat on Monday suggests investors are keeping their powder dry until clearer signals emerge from both the negotiating table and the policy rooms in Washington, Frankfurt, and Tokyo.