US-Iran ceasefire expires as Iran says MoU aimed to end the war, not just pause it

The 60-day window the US and Iran gave themselves to negotiate an end to their war closed on August 17 with nothing to show for it. No permanent agreement. No extension. No scheduled talks.

Iranian Foreign Minister Abbas Araghchi framed the core disagreement with a line that doubles as both a diplomatic position and a frustration: the memorandum of understanding was supposed to deliver “the end of the war, not a ceasefire.”

What the deal was supposed to do

The MoU, signed on June 17, 2026, by President Donald Trump and Iranian President Masoud Pezeshkian, was designed as a structured pause. Both sides would halt hostilities for 60 days while negotiators worked toward a permanent resolution to a conflict that had disrupted shipping through the Strait of Hormuz.

Roughly 20% of the world’s oil passes through that strait on any given day.

The agreement was brokered with help from Qatar, Pakistan, and Oman. During the 60-day window, both sides accused the other of violations. Military actions reportedly continued on both sides. The core issues that needed resolution, US sanctions relief and the terms under which Iran would clear mines from the Hormuz passage, remained unresolved.

Why “end the war” versus “ceasefire” isn’t just semantics

Araghchi’s insistence on distinguishing between ending a war and maintaining a ceasefire reflects a broader Iranian frustration. From Tehran’s perspective, a ceasefire without sanctions relief and a permanent security framework is just a pause button on a conflict that resumes whenever Washington decides it’s convenient.

For Iran, ending the war means sanctions relief. For the US, it means Iran clearing mines from the Strait of Hormuz and providing guarantees on free navigation.

What this means for energy markets and global stability

The Strait of Hormuz isn’t just important, it’s irreplaceable. There is no alternative route that can handle the volume of crude that flows through it daily. Any resumption of military activities near the strait, whether direct confrontation or mine warfare, would create supply disruption fears that translate directly into price spikes.

The absence of confirmed talks as of August 18 is the most telling detail. The silence from both Washington and Tehran suggests that neither side believes the other is ready to make the concessions necessary for a deal.

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