The United States and Iran reached a ceasefire agreement on June 14-15, 2026, that will reopen the Strait of Hormuz and lift the U.S. naval blockade on Iranian ports, marking a potential end to four months of conflict that has disrupted global oil and trade flows.
Both sides confirmed the deal late Sunday, June 14, with Pakistan’s Prime Minister announcing that a memorandum of understanding had been agreed upon. The two-page document, released by Iranian state media, outlines a 60-day ceasefire extension during which the strait reopening deal will take effect and broader negotiations on Iran’s nuclear program will commence.
The war began on February 28, 2026, when U.S. and Israeli forces launched strikes on Iran. Iran responded by closing the Strait of Hormuz on March 4, effectively blocking one of the world’s most critical shipping lanes through which roughly 20 percent of global oil and gas trade normally flows. The closure disrupted markets worldwide and prompted the U.S. to impose a naval blockade on Iranian ports in April.
Under the agreement, the Strait of Hormuz will reopen with unrestricted shipping, and the U.S. will begin lifting its blockade immediately upon signing. The deal also specifies that Iran will allow international inspections and cap uranium enrichment at 3.67 percent—far below weapons-grade levels. Nuclear negotiations will continue during the 60-day window, with both sides addressing Iran’s ballistic missile program, sanctions relief, and the unfreezing of Iranian assets.
The agreement came after months of stalled talks mediated by Pakistan. An initial two-week ceasefire was reached on April 8, 2026, but collapsed as both sides traded accusations of violations. The U.S. maintained its blockade despite ceasefire terms, while Iran periodically reopened and reclosed the strait in response to military actions. Negotiations resumed in late May after Trump signaled willingness to proceed, and negotiators reached a framework by late May that Trump later hardened with additional conditions.
The timing of the announcement—on Trump’s 80th birthday—drew attention, though both sides have emphasized the deal’s substance over symbolism. Iran’s foreign ministry stated that nuclear terms dealing with Iran’s program would be finalized during the 60-day period following the initial agreement. The memorandum includes cease-fire provisions on all fronts, including Lebanon, where Israeli strikes have threatened the agreement throughout negotiations.
World leaders, including those from Europe and Japan, welcomed the deal as a step toward de-escalation in the Middle East. Markets reacted positively to the announcement, with oil prices and risk assets responding to the prospect of renewed shipping through the strait and reduced geopolitical tension.
Sources
- Reuters — confirmed the U.S.-Iran agreement with signing set for Friday (June 20), June 14-15 reporting
- NBC News — reported the memorandum of understanding between U.S. and Iran to end war and reopen Strait of Hormuz
- CNN — live coverage of Trump and Iran reaching agreement including opening Strait of Hormuz
- Al Jazeera — reported uranium enrichment cap at 3.67 percent and inspection provisions in the deal
- AP News — confirmed nuclear program terms would be finalized in 60 days after initial agreement signing
- Congress.gov — documented that Iran closed the Strait of Hormuz starting March 4, 2026, in response to February 28 conflict start
- The Guardian — reported the 60-day ceasefire extension framework and Strait reopening terms
- CNBC — reported world leaders’ welcoming of the deal and market reaction
