Insurance closed the Strait before the war did
When analysis of the Middle East conflict focuses on oil prices or the closure of the Strait of Hormuz, it tends to overlook the mechanism that actually paralyzed trade first. It wasn't missiles or mines. It was a policy cancellation notice.
Within 48 hours of the February 28, 2026 strikes, war risk premiums surged fivefold, major marine insurers terminated existing coverage and offered replacements at roughly sixty times pre-crisis rates. Tanker traffic collapsed by more than 80%. The commercial war preceded the physical blockade.
From 0.25% to 5%: the arithmetic of risk
Before the conflict, insuring a vessel transiting the Strait of Hormuz cost between 0.15% and 0.25% of the hull value per voyage, a manageable premium within any shipping company's operating costs. By early March, maritime brokers were reporting war-risk rates of around 3% of vessel value, representing a more than tenfold increase. For a tanker valued between $200 million and $300 million, that translated into a war-risk premium of approximately $7.5 million per voyage, compared with roughly $625,000 before the conflict.
At the April peak, war-risk premiums had increased by as much as 1,000% in some cases. Reinsurers responded by reducing their participation in treaties with high Middle East exposure, avoiding concentration in energy, ports, and state-backed infrastructure. The market didn't just get more expensive, it shrank.
When insurance becomes a geoeconomic weapon
What Hormuz revealed in 2026 goes beyond the current situation. All 12 members of the International Group of P&I Clubs a risk pool covering 90% of the world's oceangoing tonnage, canceled certain war coverage with just 72 hours' notice. Commercial infrastructure wasn't the backdrop of the conflict; it was the medium through which it operated.
The implications extend far beyond the Arabian Sea. The Strait of Hormuz disruption serves as a stress test for insurability in an age of growing risk and volatility. When the private market collapses under a geopolitical event of this magnitude, governments fill the gap the US DFC announced a reinsurance facility providing up to $40 billion in revolving coverage spanning hull, cargo, and liability risks. In other words: the state as insurer of last resort for global trade routes.
What this changes for logistics operators
Cargo insurance has spent years being treated as a predictable administrative cost. What 2026 demonstrated is that predictability has a very concrete geopolitical limit. Routes that look stable today can be repriced in hours, not weeks.
For companies moving international freight, the relevant questions are no longer just what it costs to insure a shipment today. They are: what alternative routes exist if insurance on the primary route becomes inaccessible? Do client contracts include force majeure clauses that cover insurance repricing? Does the operation's risk strategy reflect a world where coverage can disappear with 72 hours' notice?
The insurance market isn't reading risk differently for no reason. It's reading a reality that the logistics industry also needs to build into its planning.