• President Trump dismisses Iran's latest offer to end the conflict, calling it unacceptable.
  • Negotiations remain deadlocked over nuclear program and sanctions relief, with no breakthrough in sight.
  • Oil markets react with heightened volatility as the probability of a near-term deal diminishes.

President Trump characterized Iran’s newest proposal to resolve the ongoing conflict as “unacceptable,” reiterating his administration’s hardline stance and effectively halting progress in the talks. The rejection, delivered during a brief exchange with reporters, underscores the wide gulf between the two sides on core issues such as uranium enrichment and sanctions relief.

“The proposal they sent us is totally unacceptable,” Trump said, according to a person familiar with the matter. “We need real concessions, not just words.” The White House declined to elaborate on specific objections, but officials familiar with the negotiations indicated that key U.S. red lines include verifiable limits on Iran’s nuclear activities and guaranteed freedom of navigation in the Strait of Hormuz.

The latest impasse dashes hopes that had been building in recent weeks after indirect talks in Oman produced what some described as a “framework” for a potential deal. Iran’s foreign ministry did not immediately respond to a request for comment, though state media quoted an unnamed official saying the ball is now in Washington’s court.

Energy markets, already jittery from supply disruptions, firmed on the news. Brent crude rose 1.2% to $86.45 a barrel as traders priced in a prolonged period of sanctions on Iranian oil exports. Analysts at [Goldman Sachs (GS) (GOLD)](https://www.roic.ai/quote/GOLD) noted that without a deal, Iran’s ability to boost output remains capped, keeping the market tight.

The standoff also carries broader geopolitical risks. Israel’s government, which has lobbied Washington to maintain maximum pressure on Tehran, welcomed Trump’s rejection. “This shows the administration will not accept a bad deal,” an Israeli official said on condition of anonymity.

Talks are expected to continue in some form, but with both sides digging in, a breakthrough appears remote. “Without significant movement from Iran, the U.S. is unlikely to ease sanctions anytime soon,” said Henry Rome, a senior analyst at Eurasia Group. “We’re back to the waiting game.”