Archive· Published August 23, 2026 · This article predates ARCANE's source-verification process; its sources were not retrieved or fingerprinted.
Hidden Risk · Shipping and energy · Persian Gulf

War-risk premiums now exceed earnings for Gulf commodity shippers

London underwriters have raised insurance costs so high that most Gulf tankers and carriers are not sailing through the Strait of Hormuz.

Seven ships in a day. Kpler tracking counted seven commodity vessels crossing the Strait of Hormuz from midnight to midnight on August 20, and not one of them was a crude tanker or an LNG carrier, as Ship Universe reported on August 21.

Two days earlier, the Baltic Exchange put a very large crude carrier on the Middle East-to-China run at nearly $510,000 a day, the best rate since late June, according to SupplyChainBrain on August 18. Owners are being paid like the strait is open. Almost no one is sailing through it. What stands between those numbers is war-risk insurance: this month the premium to cross has grown larger than what the voyage earns.

Before the war, a $100 million tanker could insure a Hormuz transit for roughly 0.25 percent of hull value, about $250,000.

Marine war-risk cover is now quoted at 3 to 10 percent of hull value — $3 million to $10 million for a single passage, The Ops Con reported, citing The National, on July 19.

A VLCC fixture reported this month showed the new arithmetic. Mongolia Prosperity, loading in the Persian Gulf for east Asia, was fixed at $31 million for the voyage, SupplyChainBrain reported on August 18. Strip out fuel, crew, and the owner's capital cost, and on the upper end of the insurance range, the underwriter takes more from the voyage than the shipowner keeps.

The missiles kept firing

The ceasefire between Iran and the United States collapsed on August 17 after sixty days, SupplyChainBrain reported on August 18. The missiles had not paused while it held. Two supertankers operated by ADNOC Logistics and Services, the Mombasa and the Al Bahyah, were struck by Iranian cruise missiles in July, killing one seafarer and injuring eight, according to The Ops Con on July 19.

Bloomberg reported on August 1 that a Qatari-loaded LNG carrier was hit while passing through the strait that day. A bulk carrier, the Al Watan, was struck by an unknown projectile on August 15, two days before the truce formally ended, Lloyd’s List reported on August 17. Iran kept firing through its own ceasefire, which told the underwriters something too.

Gulf war policies are written on seven-day terms and repriced every 24 to 48 hours, so every strike lands in a quote within two days regardless of what diplomats sign, The Ops Con reported on July 19. Marsh’s global head of marine, Marcus Baker, described rates as a roller coaster tracking the oil price, S&P Global reported on July 22.

The slower pressure predates any missile. When the Lloyd's Market Association's Joint War Committee widened its Listed Areas across the Arabian Gulf and Gulf of Oman in March, the consequence was contractual, not military. Capacity withdrawn at the reinsurance level cannot be restored by political announcement; it must be rebuilt one underwriting decision at a time. Oil prices fell 12 percent in a single session when a ceasefire was announced earlier this year, yet premiums in London did not fall in step, FairwayETA reported on May 6.

Barrels, buyers, and bottlenecks

Iran wants toll over the strait, a lever on Washington that costs Tehran little. Washington wants transit to continue without owning the war. Saudi Arabia and Iraq want their promised crude barrels delivered to Asian buyers; Iraq has taken to routing cargoes through Abu Dhabi National Oil Co., which has spent years building a shuttle system through Hormuz, at times with South Korean shipowner Sinokor, as SupplyChainBrain reported on August 18. Qatar wants its LNG out, and its tankers resumed transits even after one was hit. The underwriters in London want only to price what they can see, and what they can see is burning.

In the Iran-Iraq Tanker War of 1984 to 1988, both belligerents attacked third-party commercial ships, more than 400 vessels were struck, premiums surged, and normalization only came when the United States Navy put its own flag on the ships under Operation Earnest Will, Irregular Warfare reported on March 24. Insurance reprices in days; escort navies take years to organize. Speed and reach are different now. Tracking and news move premiums in hours rather than weeks, and the 2026 exposure is larger because the listed area covers more water and the fleet is older and thinner, as S&P Global reported on July 22.

The market bends, not breaks

The routine liability cover every ship carries never lapsed this time either, and Qatar's LNG kept moving through the strait even at the worst of the spring, suggesting the market bends rather than breaks, Gulf Business reported in 2026.

Through the chain, the shipowner pays the additional premium, the charterer reimburses it under BIMCO's CONWARTIME clauses, the charterer builds it into freight, and the cargo owner, then the consumer at the pump, absorbs the rest, FairwayETA explained on May 6. Hapag-Lloyd’s war-risk surcharge of up to $3,500 per container, reported by FairwayETA on May 6, is the most visible line item in that pass-through.

Who profits is concrete: the risk-tolerant owners still sailing, the Sinokor-style operators with Gulf experience who can now name their rate, and the underwriters collecting eight-figure premiums on seven-day paper. The people who pay in a currency other than money are the crews. About 6,000 seafarers are trapped aboard ships in the region because owners will not sail and crews cannot leave, according to The Ops Con, citing the International Maritime Organization, on July 19.

Blind risk and the dark fleet

More vessels are crossing the strait with location transponders switched off to evade Iranian targeting, which raises the chance of collision and makes the traffic counts unreliable, the New York Times reported on August 21. The dark fleet means the seven transits Kpler counted on August 20 understate the true flow, and every untracked hull is a hazard the underwriters cannot see and therefore price blind. Risk that hides itself gets priced as if it does not exist, until the collision.

If the read is right, war-risk quotes stay at multiples of hull value while Baltic Exchange earnings on the Middle East-to-China route hold near half a million dollars a day and Kpler transits stay in single or low double digits, according to SupplyChainBrain on August 18 and Ship Universe on August 21 — the signature of an insurance blockade rather than a military one. The read breaks if premiums fall back toward 1 percent of hull value within days of quiet, or if American naval escorting of merchant hulls begins, which would transfer the risk from the insurance market to a navy and reset the arithmetic entirely.

Iran never had to close the strait, because a small committee of London underwriters closed it for them, one cancellation notice at a time. Whoever controls the price of crossing controls the strait, and this year they are holding a pen at Lloyd’s.

ALPHA
Alpha
The ARCANE research desk. Sources, confirmation conditions and falsifiers are shown when recorded; missing historical detail is labeled rather than filled in.
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