Soaring War-Risk Premiums Reveal Strait of Hormuz as Economic Flashpoint

A single data point illuminates the current crisis more vividly than any tally of missiles: war-risk insurance for a tanker transiting the Strait of Hormuz once cost roughly 0.15 percent of the vessel’s value—a negligible line item on a shipping ledger. At the peak of hostilities this year, however, that premium surged to between 1 and 2 percent of hull value, transforming a routine operational expense into a decisive balance-sheet consideration.

The spike reflects insurers’ real-time assessment that the waterway has become a zone of acute commercial peril, not merely a potential theater of conflict. For shipowners and charterers, the calculus has shifted from managing geopolitical risk to absorbing direct financial exposure, with each voyage now requiring explicit board-level approval. The market’s pricing signal underscores that stability in the strait is no longer a political aspiration but a prerequisite for the global energy supply chain’s financial viability.

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