US and Iran reach initial agreement to end conflict, open Strait of Hormuz despite remaining challenges

Iran and the United States have reached an initial deal to end more than 100 days of war and reopen the Strait of Hormuz, the world's most critical oil chokepoint. President Trump announced the agreement on Truth Social, writing: "The Deal with the Islamic Republic of Iran is now complete... Ships of the World, start your engines. Let the oil flow!" AP reported the news at 8:49 a.m. EDT on June 15, 2026.
But the deal is not finished. Iran's Deputy Foreign Minister Kazem Gharibabadi confirmed the agreement while warning that it won't take effect until a formal signing ceremony in Geneva on June 19, AP noted. And major sticking points remain — including Israel's military operations in Lebanon and Iran's nuclear program.
The war started on February 28, 2026, when the U.S. and Israel launched massive strikes on Tehran. Supreme Leader Ayatollah Ali Khamenei was killed in the opening hours, according to Al Jazeera. Iran retaliated with missile strikes on the UAE, Jordan, and Bahrain. His son, Mojtaba Khamenei, stepped in as the new Supreme Leader.
By April, both sides were exhausted but unyielding. A two-week ceasefire held briefly before collapsing. The U.S. then imposed a full naval blockade of Iranian ports, CBS News reported. That economic pressure — combined with over 14 hours of Qatar-mediated talks in Tehran — eventually cracked open a path to this preliminary deal.
The Strait of Hormuz carries roughly 20 million barrels of oil per day — more than 25% of all global seaborne oil trade. Iran effectively closed it during the war, triggering a global energy crisis and spiking inflation worldwide. Brent crude prices fell 4% to below $84 per barrel immediately after Trump's announcement, The Guardian reported.
Asian stock markets surged 5% on the news, with Japan and South Korea leading the gains, according to The Washington Post. But energy analysts warn the pain won't disappear overnight. Joshua Ngu of Wood Mackenzie said the strait's reopening is "good news," but the "economic scars" and supply chain disruptions could take months or years to fully heal.
Israel is not part of the agreement and made that clear fast. Prime Minister Benjamin Netanyahu's office said Israel "will continue to defend itself against any threat," The Washington Post reported. Israeli Finance Minister Bezalel Smotrich went further, calling the deal "bad for Israel and the entire free world," according to The Guardian.
This is the deal's biggest problem. Israel's ongoing operations in Lebanon are not covered by the U.S.-Iran agreement. Iran's new leadership has already called the accord a "first step," with First Vice President Mohammad Reza Aref warning that a permanent peace would be "more difficult" to achieve, CBS News reported.
The deal sets a 60-day clock for "technical talks" on Iran's nuclear stockpile and enriched uranium, The Washington Post reported. Critics in the U.S. Congress — both Democrats and some Republicans — say the agreement lacks real verification tools. Some lawmakers are already calling for a vote to limit the president's war powers, according to TIME.
Money is also part of the equation. Negotiations involved $24 billion in frozen Iranian funds. Iran claims $12 billion of that will be released before final talks begin, CBS News reported. Pakistan's Prime Minister Shehbaz Sharif, who served as the lead mediator, confirmed that both sides agreed to an "immediate and permanent termination of military operations on all fronts" — but the Geneva signing on June 19 will be the real test of whether those words hold.
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