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Iran Conflict 2026
9JUN

Supertanker rates hit $424k/day, up 94%

3 min read
10:36UTC

VLCC freight rates nearly doubled in a single week to an all-time record — and the insurance collapse means the cost persists even after the shooting stops.

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ConflictDeveloping
Key takeaway

The decoupling of the insurance timeline from the military timeline creates a second, commercial blockade that will persist independently of any ceasefire, because P&I clubs and hull underwriters cannot restore war risk coverage in less than several weeks regardless of battlefield developments.

Very Large Crude Carrier freight rates hit $423,736 per day on 7 March — a 94% increase from the prior Friday close and the highest figure ever recorded. At these rates, shipping costs alone add approximately $3–4 per barrel before crude reaches a refinery, a surcharge passed through to refiners and, ultimately, to consumers at the pump.

The rate reflects physical scarcity, not speculation. More than 150 vessels sat at anchor in The Gulf of Oman and Arabian Sea as of 5 March , unable to transit the strait of Hormuz. Every major P&I club's War risk coverage expired at midnight on 5 March ; no new commercial transits were documented after the deadline . Trump's promised DFC insurance programme and Navy convoy escorts remain non-operational — the US Navy has not conducted a single escorted passage. Shipping consultancy Simpson Spence Young assessed Navy convoys as "unlikely in the near-term" given simultaneous combat demands .

The freight market has priced in something political analysts have been slower to articulate: the energy disruption runs on two separate timelines. The military timeline could theoretically end with a ceasefire. The insurance timeline cannot. P&I reassessments typically take weeks regardless of battlefield developments. Even if hostilities ceased today, commercial shipping would not resume until underwriters complete their reviews and agree to cover vessels transiting waters where the IRGC struck the Sonangol Namibe — a Bahamas-flagged Angolan state oil company tanker — causing a cargo tank rupture and oil spill just 30 nautical miles from Kuwait .

Every day the strait remains closed, the available global VLCC fleet shrinks as vessels queue outside The Gulf instead of cycling through it. Routes bypassing Hormuz — the Cape of Good Hope for Gulf-to-Europe cargoes, trans-Pacific alternatives — are longer, tying up tankers for additional weeks per voyage and compounding the shortage. The freight rate is not a war premium that dissipates with a ceasefire. It is the market's recognition that the physical infrastructure of global oil transport has been dislocated in a way that does not reverse on the day the missiles stop.

Deep Analysis

In plain English

Very Large Crude Carriers (VLCCs) are the supertankers that move most of the world's oil — each carries roughly 2 million barrels. Their daily hire rate just hit a record of over $400,000, nearly double a week ago. The more consequential fact: commercial shipping insurance for the Gulf war zone effectively expired on 5 March, and reassessing it takes weeks. This means commercial ships will not enter the region even if shooting stops tomorrow. The war has created two separate blockades — one military, one commercial — and only one of them can be ended by a ceasefire.

Deep Analysis
Synthesis

The combination of all-time-high freight rates and structural insurance withdrawal creates a two-layer blockade: one physical (Iranian military activity), one commercial (insurance market failure). These layers operate on different timelines and respond to different interventions — meaning any ceasefire framework that addresses only the military layer will leave the commercial blockade intact. A durable economic resolution requires explicit mechanisms for restoring commercial insurability, not merely a halt to hostilities.

Root Causes

Global P&I insurance is concentrated in thirteen clubs comprising the International Group of P&I Clubs, which collectively cover approximately 90% of world merchant shipping by tonnage. Their simultaneous withdrawal of war risk coverage creates a structural market failure with no private-sector alternative at comparable scale — a single point of failure embedded in the architecture of global trade that pre-dates this crisis by decades and reflects a historical assumption that major transit straits would remain navigable under great-power deterrence.

Escalation

VLCC rates at $423,736/day make Cape of Good Hope rerouting economically viable despite adding approximately 14 days and $500,000–700,000 in additional bunker costs per voyage. However, the global VLCC fleet cannot simultaneously serve both normal Hormuz-routed demand and full Cape rerouting without effective capacity reduction, meaning the volume of oil reaching Asian refiners will decline regardless of price — the physical constraint, not cost, is the binding variable.

What could happen next?
  • Consequence

    A ceasefire alone will not restore commercial shipping through Hormuz — P&I and hull war risk insurance timelines require weeks of formal reassessment regardless of battlefield developments, maintaining the effective commercial blockade.

    Short term · Assessed
  • Risk

    Asian refinery throughput may begin declining within 2–4 weeks as strategic petroleum reserves are drawn down and Cape-rerouted alternative supply proves insufficient to replace full Hormuz transit volumes.

    Short term · Suggested
  • Precedent

    The simultaneous expiry of all major P&I war risk policies demonstrates that commercial insurance markets can enforce a de facto naval blockade without any military action — a dynamic relevant to future crisis planning and deterrence doctrine.

    Long term · Suggested
  • Consequence

    Shipowners operating VLCC capacity on Cape rerouting receive record freight income while bearing higher operating costs — a windfall concentrated in fleet owners based in Greece, Japan, South Korea, and Norway that partially offsets those countries' higher import costs.

    Short term · Assessed
Sources:Bloomberg·Balkan Insight
Mentions:VLCC →Arabian Sea →Kuwait →Persian Gulf →US Navy →Oman →Time →Donald Trump →Islamic Revolutionary Guard Corps (IRGC) →Gulf of Oman →Strait of Hormuz →War risk coverage →
First Reported In

Update #26 · President orders halt; IRGC ignores him

Bloomberg· 7 Mar 2026
Read original →
Causes and effects
Caused by
P&I deadline passes; Strait sealed
The collapse of P&I war risk insurance coverage at midnight 5 March made commercial shipping through Hormuz effectively impossible, driving VLCC freight rates to all-time highs.
Occurred 5 Mar 2026
Read story →
This Event
Supertanker rates hit $424k/day, up 94%
Record supertanker rates expose the energy disruption's two-timeline problem: military hostilities could theoretically end with a ceasefire, but the P&I insurance collapse cannot. Freight markets are pricing in weeks of continued disruption regardless of the battlefield, and every day the strait stays closed shrinks the available global tanker fleet as vessels queue rather than cycle.
Different Perspectives
Markets
Markets
Brent crude rose 2.2 per cent to $96.34 on 10 June, reversing a 7 per cent weekly decline built on deal optimism, as the overnight exchange repriced the Strait of Hormuz risk premium in a single session. The move reflects transit-risk repricing rather than supply shock: Iran's exports had already collapsed to below 300,000 barrels per day.
Pakistan
Pakistan
Pakistan's Naqvi channel, the only mediation track carrying both civilian and military buy-in, was stress-tested by live ordnance within 48 hours of the 6-7 June Tehran visit. Whether Washington informed Islamabad of the imminent strike plan while Naqvi was in Tehran remains undisclosed, putting the channel's neutrality under scrutiny.
Kuwait
Kuwait
Kuwait hosted the third Iranian strike on its soil since the 3 June airport drone attack, with Ali Al Salem airbase targeted in the three-country salvo. Its recent $1.98 billion Anduril Anvil counter-drone purchase signals it is rearming rather than reconsidering its hosting posture.
Bahrain
Bahrain
Bahrain absorbed the IRGC barrage via PAC-3 intercepts with its magazine already at 87 per cent depletion and no resupply before 2027. Sounding air-raid sirens over Manama, it faced the intercept burden with the thinnest defensive stack in the Gulf coalition.
Jordan
Jordan
Jordan reported all five incoming missiles intercepted with no injuries and no damage, a clean defensive performance that strengthens Amman's case for staying in the Western coalition without escalating its own posture. It now sits on Iran's target list for the first time despite not being a party to the Abraham Accords confrontation.
Iran / IRGC
Iran / IRGC
Foreign Minister Araghchi posted on X that US forces should 'leave our region if you want to be safe' and framed the exchange as a US defeat, while the IRGC claimed 21 targets hit and an F-35 hangar destroyed. The claims serve a domestic and Arab-audience framing rather than a verified battle-damage assessment.