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Iran Conflict 2026
12AUG

Brent slips to $94.71 the day Hormuz is declared shut

4 min read
14:52UTC

Brent eased about 1.7 per cent to $94.71 on 11 June, with WTI near $91.84, pulling back from the prior day's peak even as the IRGC declared the Strait of Hormuz closed.

ConflictDeveloping
Key takeaway

Oil fell the day Hormuz was declared shut, the market betting the closure is words, not a sealed strait.

Brent Crude eased about 1.7 per cent to $94.71 on 11 June, with WTI near $91.84, on the very day the IRGC declared Hormuz closed to all traffic. The move was a pullback from the $96.34 peak Brent reached on 10 June , and it came after CENTCOM said its strikes were complete. A closure announcement that sends oil down, rather than up, is the market reading the words and discounting them.

A strait genuinely sealed, with enforcement that held, does not let crude fall. Traders priced the IRGC order as rhetoric, weighing it against CENTCOM's denial that transit had stopped and against the absence of any independently verified incident. The "strikes complete" line did the rest, removing the immediate threat of further escalation that had driven the prior day's spike.

Futures and insurance now point opposite ways. The futures market is betting the closure is a declaration that will lapse, while marine insurers are repricing the legal risk of a war-risk zone that exists on paper whether or not a ship is ever stopped. The gap between the two prices is the gap between what the IRGC said and what anyone can confirm it did.

Deep Analysis

In plain English

The price of oil dropped slightly on the day Iran's military declared the Strait of Hormuz closed. That sounds backwards. Usually, closing a major oil route would send prices up, because less supply reaching markets means higher costs. Traders weighted CENTCOM's 'strikes complete' statement over the IRGC's Telegram post, driving Brent down 1.7 per cent to $94.71 rather than up. The US military said ships were still sailing through normally, and Iran's military has threatened to close the strait before without following through. So oil markets took the closure announcement as words on a screen, not an actual blockage. However, shipping insurance companies, which move more slowly and need official government sign-offs to change their assessments, did not drop their risk premiums. This means the cost of actually insuring a cargo ship through the strait stayed high even as the headline oil price fell.

What could happen next?
  • Risk

    If Windward or Kpler record transit volumes falling below three vessels in a 24-hour window, futures markets will reprice immediately and the Brent discount will reverse sharply, likely to above $100.

    Immediate · Assessed
  • Consequence

    Lloyd's of London's continued war-risk listing of Hormuz means every cargo transiting the strait now carries an elevated insurance cost regardless of futures pricing, increasing the effective landed cost of Gulf oil for European refiners.

    Short term · Reported
  • Meaning

    Markets pricing CENTCOM's 'strikes complete' statement as a de-escalation signal over the IRGC's closure declaration shows that traders have shifted their primary price signal from Iranian statements to US operational announcements.

    Immediate · Assessed
First Reported In

Update #124 · IRGC declares Hormuz shut; US strikes again

Gulf News / NBC News / Business Standard· 11 Jun 2026
Read original
Different Perspectives
Anwar Gargash, UAE presidential diplomatic adviser
Anwar Gargash, UAE presidential diplomatic adviser
Gargash warned the region cannot stay trapped between "neither war nor peace", naming the stalemate itself as unsustainable for a Gulf state hosting US forces and absorbing the shipping-risk cost without being party to either the strike decisions or the corridor talks.
Shipping and insurance underwriters
Shipping and insurance underwriters
War-risk premiums are still set against an active blockade and a fatal Bab el-Mandeb attack with an unresolved vessel identity. A disabling strike and a diplomatic "advanced" claim pulling in opposite directions gives underwriters no single signal to reprice cover against.
Pakistan and Qatar (Oman corridor mediators)
Pakistan and Qatar (Oman corridor mediators)
Pakistan's defence minister said matters are "shaping up in favor of peace" on Hormuz and a Qatari spokesperson called the Iran-Oman reopening talks advanced. Both are publicly ahead of Tehran's own security council, which has just disowned the deal's significance.
United States Central Command / President Trump
United States Central Command / President Trump
CENTCOM confirmed a helicopter strike disabled a container ship that tried to evade the blockade, and Trump said the US "totally controls" the Strait of Hormuz. Washington is treating evasion of the blockade as grounds for disabling fire rather than the redirection tactic CENTCOM used through July.
Mohsen Rezaei, Iran's Supreme National Security Council
Mohsen Rezaei, Iran's Supreme National Security Council
Rezaei told China's ambassador Hormuz reopens only when the US ends the war and unblocks Iran's funds, and that the Oman transit deal "will have no impact" on that decision. He is drawing a hard line between the technical corridor track and the political settlement his council controls.
Yemen's internationally recognised government and affected communities
Yemen's internationally recognised government and affected communities
SABA reported at least 17 soldiers killed at Saudi-backed camps in eastern Yemen as tanker use of Bab el-Mandeb fell. The fighting adds civilian and supply risks to a route ships use when Hormuz is unsafe.