U.S. President Donald Trump has declared the Strait of Hormuz "open" at least four times since March, only for fighting or closures to resume within days each time. This week he's back to predictive language, telling Fox News that talks are "moving along nicely" and the strait "is going to be open very soon." We've heard this before, and the announcement itself will matter less than the details of what's being negotiated and what happens on the water.
The proposal now on the table, reported by Reuters on Wednesday, would give Tehran control over ships entering the Gulf through Hormuz. This would be one of the biggest concessions to Iran since the war began and reverse Washington's repeated insistence that it would never accept Iranian control over the waterway.
The unresolved sticking point is outbound traffic. Regional negotiators want regional supervision of inspections, and any fees kept nominally voluntary. Iran is seeking 5% to 7% of cargo value; Oman has floated 3%; Washington wants zero.
That gap alone argues against an imminent signing. Regional sources have pushed back on Trump's "imminent" framing, and Iran's foreign minister is on holiday while talks continue.
The June 17 memorandum of understanding is the cautionary template: it formalized a ceasefire and lifted the U.S. naval blockade but sidestepped Iran's core demand for fees and administrative control. It unravelled within three weeks when both central provisions -- no attacks on shipping, and sanctions relief -- collapsed at once.
The indicators to watch are those that move independently of statements: the number of ships that transit daily counted against the pre-war baseline; war-risk insurance premiums, which price actual exposure rather than diplomatic language; whether crude, LNG and fertilizer cargoes resume with regularity; and whether Washington's blockade on Iran-linked shipping lifts in parallel. Past "reopenings" decoupled these steps.
Then there's the lane split itself: Gulf-bound traffic through Iranian waters, outbound through Omani waters. Holding without friction would suggest genuine, shared management. But if Iran pushes this into the "selective control" analysts see as its real goal, expect friction at the lane boundary.
The clearest tripwire, one Iranian source said, is that "a single tweet" from Trump could unravel it entirely. The real test is whether we get a detailed, verifiable text, or another vague nod to "positive talks".
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