Iranian Parliament Speaker Ghalibaf says Iranian forces have full control of the Strait of Hormuz and will prevent enemy vessels from crossing

Rhetoric of this kind around the Strait of Hormuz has a long history as a pressure instrument in Iranian escalations, and the established pattern is that the verbal claim of control vastly exceeds any operational willingness to close the waterway, since a sustained closure would cut off Iran's own exports and invite direct confrontation with naval forces tasked with keeping it open. The distinction that matters is between harassment and seizure of individual vessels, which has occurred repeatedly and is absorbed quickly, and an actual mining or blockade attempt, which has never been sustained and would be a categorically different event. The transmission channel in past episodes has run through crude prompt spreads and tanker freight and insurance premia rather than through any durable change in physical flows, with premia tending to fade unless a kinetic incident follows. Parliament speakers in this context have historically been a messaging channel rather than an operational authority; the chain that matters runs through the Supreme National Security Council and the IRGC Navy. The follow-ons worth watching are tanker traffic and AIS behaviour in the strait, war-risk insurance quotes, any US or allied naval repositioning, and whether the rhetoric is matched by IRGC seizure activity rather than left standing alone.