Full Breakdown
Strait of Hormuz Remains Closed Until U.S. Meets Interim-Deal Conditions
8/18/2026, 8:32:27 PM
Core Event
Iran has declared that the Strait of Hormuz will stay shut until the United States fulfills the conditions of the interim memorandum of understanding (MoU) signed in June. The demands, outlined by Iran’s top negotiator—named as Mohammad Baqer Qalibaf in one report and Mohammad Bagher Ghalibaf in another—include lifting the U.S. naval blockade of Iranian ports, removing oil sanctions, unfreezing Tehran’s frozen assets, and ending all threats and military operations. The closure affects a waterway through which roughly one-fifth of global oil and liquefied natural gas had previously flowed.
Background to the June Interim Deal
The MoU was clinched on June 17 and called for a final agreement on broader issues, such as Iran’s nuclear programme, within 60 days, extendable by mutual consent. The arrangement unraveled quickly over a dispute about control of the strait. U.S. President Donald Trump announced the deal was “over” on July 7, and a week later Iran’s foreign ministry declared the MoU “suspended.”
Official Statements & Iranian Demands
In a speech broadcast on state television, Ghalibaf said the strait will not reopen until the United States implements the American commitments stipulated in the MoU. He reiterated the three core demands: removal of the naval blockade, lifting of oil sanctions, and unfreezing of Iranian assets. A senior Iranian official, speaking to Reuters, warned that Iran would shift to a “fully offensive” posture because diplomatic efforts to secure a permanent end to the conflict have stalled.
Verbatim Quote
“I want to state clearly that the Strait of Hormuz will not be opened until the American commitments stipulated in the memorandum of understanding … are implemented,” — Mohammad Bagher Ghalibaf
Data, Impact, and Outlook
The strait’s closure hampers the transit of a significant share of the world’s energy supplies, raising concerns for global markets. Iran’s insistence on meeting all MoU conditions before reopening suggests the stalemate may persist unless the United States takes concrete steps to lift sanctions and unblock ports. No scheduled date for a renewed opening has been announced, and the situation remains tied to the progress of any forthcoming diplomatic negotiations.
