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Iran Conflict 2026
13JUN

Hormuz goes dark as tankers flee

3 min read
10:52UTC

Hormuz transits fell to about two a day as three vessels were struck overnight, and Iran routed the strait's governance through Oman, yet Brent crude slipped to about $75.80.

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Key takeaway

Ships have stopped crossing Hormuz, yet Brent fell to about $75.80, a physical crisis the oil price refuses to confirm.

Tanker transits through the Strait of Hormuz collapsed to about two on 9 July, from a near-pre-war rhythm of 35 to 51 a day earlier in the month . 1 Three vessels were struck overnight as they ran outbound: the liquefied natural gas (LNG) carrier Al Rekayyat, already reported , and the crude tankers Wedyan and Cyprus Prosperity, which earlier coverage never named. 2 The 7 July strike was therefore a wider, multi-vessel attack than first recorded.

The Joint Maritime Information Center (JMIC), which advises commercial shipping, holds its Hormuz advisory at "severe", its highest tier. War-risk insurance now runs at 2 to 6 per cent of hull value, below a wartime peak near 10 per cent, but London brokers report fewer quote requests, not more. 3 Owners are abandoning the strait rather than paying to cross it: the cost is no longer a premium on a crossing but a route nobody will take.

Oil fell anyway. Brent went from $78.67 on 8 July to $76.97 on 9 July and about $75.80 on 10 July, handing back roughly a quarter of the strike gain. 4 Physical shipping data reads as crisis; the price reads as contained .

Article 5 of the ceasefire memorandum, over who controls Hormuz, is the sticking point stalling the Witkoff-Kushner Doha channel: Iran wants sole managerial authority, the US wants unrestricted transit. 5 With that channel frozen, Mohammad Bagher Ghalibaf, Iran's parliament speaker, says Iran and Oman have reached a separate Hormuz-management agreement based on the same memorandum, routing the strait's governance through Muscat rather than Washington. 6 That deal advances a bilateral Hormuz track Tehran and Muscat have been in continuous consultations over since May rather than opening a fresh one, and Ghalibaf had already declared the memorandum violated days earlier . The International Institute for Strategic Studies (IISS) assesses that no military option can reopen the strait for either side, only negotiation. 7

Deep Analysis

In plain English

The Strait of Hormuz is the narrow sea passage between Iran and Oman that roughly a fifth of the world's oil, and a third of its liquefied natural gas, has to pass through. Ships have almost stopped using it: only around two tankers a day are getting through, down from 35 to 51 a day earlier this month. Three ships were hit overnight, two crude oil tankers and one gas carrier, and insurance companies have made cover so expensive that most shipowners are choosing to avoid the route entirely rather than risk it. Iran's parliament speaker says Tehran has now struck a side deal with neighbouring Oman to manage traffic through the strait, separate from the wider ceasefire talks with the United States that remain frozen.

Deep Analysis
Root Causes

Iran's ability to contest transit at all rests on a legal gap: Tehran has never ratified the UN Convention on the Law of the Sea, the treaty that would otherwise guarantee foreign vessels transit passage through the strait, so its domestic maritime claims face no binding international constraint it has itself accepted.

The collapse in transits is also an insurance-market mechanism alongside the security one. War-risk cover at two to six per cent of hull value makes a single voyage prohibitively expensive without a state guarantee behind it, which is why owners are diverting rather than paying the premium and hoping.

Escalation

The Oman side-deal and the frozen Doha channel are now running as separate tracks. Whether Muscat's narrower arrangement de-escalates the maritime dimension while the wider ceasefire memorandum stays stalled, or whether owners hold out until both resolve, will show in the next transit-count reading.

What could happen next?
  • Consequence

    A bilateral Iran-Oman arrangement running outside the Doha channel means Hormuz's reopening no longer depends solely on US-Iran talks.

  • Risk

    War-risk premiums at two to six per cent of hull value keep the route commercially unviable regardless of any diplomatic deal, until underwriters see a sustained run of unstruck transits.

Sources:U.S. News (Reuters wire)·Insurance Journal / Bloomberg·Insurance Journal / Bloomberg
Mentions:Strait of Hormuz →Al Rekayyat →Islamic Revolutionary Guard Corps (IRGC) →JMIC →Brent Crude →Mohammad Bagher Ghalibaf →Oman →Article 5 (memorandum) →IISS →Muscat →Iran →Cyprus →London →Tanker War →Tehran →United States →Operation Earnest Will →Washington →Doha →LNG Prime →EU AI Act →Strait of Hormuz Toll System →Wedyan →Cyprus Prosperity →
First Reported In

Update #151 · Iran widens war to Jordan; oil shrugs

U.S. News (Reuters wire)· 10 Jul 2026
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Causes and effects
This Event
Hormuz goes dark as tankers flee
Owner flight, not a blockade, has near-shut the world's most important oil chokepoint while the crude price drifts down against it.
Led to
IRGC missiles hit a Qatari gas tanker
The 7 July Al Rekayyat strike is confirmed as part of a wider three-vessel attack driving the transit collapse.
Occurred 6 Jul 2026
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Hormuz tanker count back to pre-war
The collapse to two transits a day reverses the near-pre-war rhythm of 35 tankers recorded 2 July.
Occurred 2 Jul 2026
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Oil keeps its war premium near $78
Brent's fall to $75.80 reverses the war premium held through the 9 July strike-and-retaliation round.
Occurred 9 Jul 2026
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Iran and Oman draft Hormuz bilateral
Ghalibaf's Oman side-deal confirms and advances the Iran-Oman 'continuous consultations' on a Hormuz transit mechanism first reported 18 May.
Occurred 18 May 2026
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IRGC strikes GFS Galaxy, shuts Hormuz
The 12 July closure declaration overrides the 10 July Oman-Iran bilateral arrangement for jointly managing Hormuz traffic.
Occurred 12 Jul 2026
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