US-Iran Talks Fail, Oil Prices Surge

US-Iran talks collapsed on Sunday after 21 hours of negotiations in Islamabad, Pakistan, intensifying market focus on energy-price volatility and the knock-on effects for inflation and interest rates.

U.S. Vice President JD Vance said the discussions broke down because Tehran would not abandon its nuclear weapons program. Iranian sources, in contrast, described U.S. demands as “excessive.” The failure to reach an agreement has added to concerns that the energy shock tied to the broader conflict could persist, keeping pressure on households and corporate costs.

Early market signals pointed to an immediate move higher in oil. U.S. crude oil futures on the broker IG indicated a rise to about $98 per barrel when trading resumes, compared with $96.50 on Friday. Separately, analysts at JPMorgan Chase projected oil prices would stay above $100 per barrel in the second quarter, underscoring expectations that the supply-risk premium could remain elevated.

The breakdown comes after a period of sharp swings in crude benchmarks. Brent crude had dropped to $94.26 per barrel following a temporary ceasefire, retreating from a war-time peak of $119.45 . The renewed diplomatic setback has refocused attention on the risk that any improvement in prices could prove fragile if tensions persist or intensify.

Political statements also added to the sense of escalation risk around key shipping routes. Former U.S. President Donald Trump said that the absence of a deal would lead to a U.S. blockade of the Strait of Hormuz. The source material also states that Iran has effectively closed the strait and demanded tolls in Iranian rials, a development that would be closely watched given the route’s importance to global energy flows.

What it means for markets and policy is a renewed challenge for central banks that had been leaning toward interest-rate cuts. With oil and gas prices expected to rise, the inflation outlook could become more complicated, and the source material says financial markets are now pricing in potential increases instead. Higher energy costs can feed through to transport, manufacturing, and food supply chains, raising the risk of broader price pressures.

Key uncertainties remain around whether talks can be revived and how shipping conditions evolve around the Strait of Hormuz. For now, the combination of geopolitical tension and conflict-linked supply concerns is expected to lift costs of living and reduce fiscal and monetary policy flexibility globally.