Iran withdraws from Islamabad negotiations, Trump extends the ceasefire conditionally, and the dollar firms on safe-haven demand. What it means for oil, inflation, and Fed policy.

Key Highlights

  • The dollar index held above 98.5 on thursday after recovering from losses earlier in the week, supported by safe-haven demand amid renewed geopolitical uncertainty.
  • Iran declined to attend a second round of negotiations in Islamabad, prompting Vice President JD Vance to cancel the scheduled trip to Pakistan.
  • President Trump extended the ceasefire but warned he would resume strikes if Iran fails to submit a credible new proposal.
  • The Strait of Hormuz remains largely closed, sustaining elevated oil prices and keeping inflation expectations high.
  • Markets are reassessing the pace of central bank easing as energy-driven price pressures complicate the monetary policy outlook.

Dollar Recovers as Diplomatic Momentum Stalls

The U.S. dollar regained footing this week after a brief retreat, with the dollar index climbing back above 98.5 by thursday as geopolitical risk in the Middle East drove demand for safe-haven assets. The currency had slipped earlier in the week when initial signals suggested a second round of U.S.-Iran negotiations could materialize, raising expectations that a structured peace agreement might be within reach. Those expectations have since diminished sharply.

The sequence of events underscores how tightly currency markets are now tracking diplomatic signals from Washington and Tehran. When the prospect of resolution rises, the dollar softens; when talks collapse, capital flows back into it. The pattern reflects a broader structural reality: in periods of acute geopolitical stress, the dollar's reserve currency status amplifies its sensitivity to conflict resolution timelines.

Iran Steps Back, Talks Collapse Before They Begin

The second round of talks was expected to take place in Islamabad, with Vice President JD Vance leading the U.S. delegation. The arrangement fell apart after Tehran communicated through Pakistan that it would not participate. Vance subsequently canceled the trip, and the negotiations that markets had priced in as a near-term catalyst did not proceed.

Iran's decision to withdraw from talks appears tied to a specific condition: the continued presence of the U.S. Navy intercepting vessels in the region. Iranian officials stated unambiguously that the Strait of Hormuz would remain closed as long as U.S. naval operations continue in its vicinity. This linkage between maritime security policy and diplomatic participation creates a structural impediment to progress that neither side appears willing to dissolve quickly.

The diplomatic impasse is not merely symbolic. The Strait of Hormuz is one of the most consequential maritime chokepoints in the global energy system. Roughly 20 percent of global oil supply transits this corridor. A sustained closure, even partial, carries meaningful implications for energy prices, supply chain costs, and inflation dynamics across both developed and emerging market economies.

Trump Extends the Ceasefire, But Conditions Are Narrow

President Trump has extended the existing ceasefire, but his framing leaves limited room for ambiguity. He stated that further strikes would be postponed only until Iran submits a new proposal and that talks are completed. If no credible offer emerges before the extended deadline, the implication is that military action remains on the table.

This conditional extension introduces a specific kind of risk premium into markets: not the risk of immediate escalation, but the risk of a deteriorating negotiating environment that eventually collapses into renewed conflict. Bond markets and currency traders have begun pricing this scenario into short-duration instruments, contributing to the modest but sustained bid for the dollar over the past two sessions.

The administration's posture suggests a deliberate use of deadline pressure as a negotiating mechanism. Whether Tehran interprets this as an opening for engagement or as coercive posturing that limits its willingness to return to the table remains to be seen.

Oil, Inflation, and the Central Bank Calculus

Oil prices have remained elevated throughout this period, reflecting both the physical supply constraints created by the Hormuz closure and the risk premium attached to further escalation. While there was a brief pullback earlier in the week when talks appeared likely, prices firmed again as the diplomatic breakdown became apparent.

The persistence of high oil prices carries a secondary consequence that markets have not fully worked through: its effect on central bank policy flexibility. In the United States, core inflation had been trending toward the Federal Reserve's target in recent months. Energy price re-acceleration, if sustained, complicates that trajectory. Expectations for near-term rate cuts have already been tempered, and further oil price strength would push market-implied easing timelines further into the second half of the year.

For the dollar, this creates a dual support mechanism. On one side, geopolitical risk drives safe-haven demand. On the other, elevated inflation expectations reduce the probability of near-term monetary easing, which tends to be supportive of the currency on a relative interest rate basis. Both forces are currently aligned in the same direction.

Structural Risk Remains Elevated

The near-term outlook for the dollar is likely to remain closely tied to the trajectory of U.S.-Iran relations. A credible diplomatic breakthrough would remove the risk premium currently embedded in the currency and in oil markets. A breakdown, particularly one that results in resumed hostilities or a permanent closure of the Strait of Hormuz, would introduce a more disruptive macro scenario.

For now, markets appear to be holding a cautious middle ground: the dollar has recovered but has not surged, oil has risen but not spiked, and risk assets remain volatile without a decisive directional move. That equilibrium reflects genuine uncertainty about whether this ceasefire extension represents a genuine pathway to resolution or simply a pause before a more consequential confrontation.