Saudi VLCC 'Cedar' stopped while passing through the southern corridor of the Strait of Hormuz, according to IRIB

Vessel stoppages in the Strait of Hormuz have a well-worn precedent: a meaningful share of seaborne crude transits the chokepoint, and past episodes of tanker harassment or seizure have tended to transmit first through war-risk insurance premia and VLCC freight rates rather than through prompt physical supply, since cargoes are rarely lost, only delayed and repriced. The key distinction is between an isolated interdiction, typically linked to sanctions enforcement or tit-for-tat seizure dynamics, and the start of a sustained campaign against shipping; the former has historically faded from crude pricing within days, the latter is what has durably widened the geopolitical risk premium in the front of the oil curve. The Saudi flag on the vessel matters, as direct friction between Riyadh and Tehran carries a different escalation profile than seizures of Western-linked or illicit-fleet tonnage, and prior form on both sides has generally favoured de-escalatory signalling after an initial incident. Confirmation from a second source beyond the state broadcaster, any naval escort or advisory notices to shipping, and the response of freight and insurance quotes are the established tells for severity. A short-lived bid in crude and tanker rates on the headline, partially retraced once the incident looks contained, has been the recurring pattern.