Brent crude has climbed almost 4% to $94.23 per barrel after U.S. military operations against Iran entered an eleventh straight night and diplomatic tensions over the Strait of Hormuz remained unresolved. While the move in oil prices has dominated market commentary, another indicator suggests the underlying risks facing global energy markets are considerably greater.
Marine Insurers Are Pricing in Higher Risk
The strongest signal is coming from the marine insurance market rather than the futures market.
War-risk insurance for vessels transiting the Strait of Hormuz has risen from roughly 0.25% of a ship’s value before the conflict to around 5%, according to the Lloyd’s Market Association. That represents an increase of nearly 1,900%.
For owners of a $100 million tanker, insurance costs have jumped from approximately $250,000 to several million dollars for a single passage through the strategic waterway.
Insurance Reflects Physical Risk, Not Market Sentiment
Unlike oil futures, which frequently respond to breaking news and changing investor expectations, insurance premiums are based on the estimated probability of real financial losses.
Marine underwriters price policies according to the likelihood that a vessel could be damaged or destroyed. As a result, a dramatic increase in premiums provides insight into how professionals responsible for managing shipping risk view the security environment.
Rising Costs Could Disrupt Global Supply Chains
The Strait of Hormuz remains one of the world’s most important energy corridors, carrying roughly 20% of global seaborne oil and gas exports.
If insurance costs continue climbing, operators may begin avoiding the route regardless of attractive freight rates. That would reduce shipping capacity, tighten physical supply and potentially place additional upward pressure on both energy prices and inflation.
Financial Markets Are Reflecting Broader Inflation Concerns
Recent market performance also points toward inflation becoming a larger concern.
During the latest comparable escalation, the S&P 500 fell 0.79%, the Nasdaq declined 1.55%, and U.S. 10-year Treasury yields moved higher instead of lower. That combination suggests investors were responding to inflation risks rather than simply rotating into traditional safe-haven assets.
Gold Has Failed to Offer Its Traditional Protection
Gold has not followed its typical geopolitical playbook.
Despite heightened tensions, the precious metal has dropped more than 20% since the conflict began in February. Expectations for a more hawkish Federal Reserve, driven by the possibility of sustained energy inflation, have outweighed gold’s safe-haven appeal.
Multiple Markets Are Delivering the Same Warning
Looking across asset classes paints a clearer picture. Oil prices have risen, war-risk insurance premiums have surged by almost 1,900%, equity markets have weakened alongside higher Treasury yields, and gold has failed to perform as a traditional defensive asset.
Together, these signals suggest that the industries with the greatest exposure to physical energy transportation risks are assigning far greater importance to current developments than investors focusing solely on crude prices.

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