The Hidden Oil Tax Nobody Is Talking About.

I've been watching Brent fall toward $97 this week on ceasefire hopes.

But there's a cost embedded in every barrel of oil right now that peace talks cannot fix overnight... and almost nobody is pricing it in correctly.

Before February 28, war risk insurance for a tanker crossing the Strait of Hormuz cost roughly $40,000 per trip. Today that same trip costs between $600,000 and $1.2 million for a single voyage. A 2,900% increase.

Some stranded tankers in mid-March paid up to $7.5 million in war risk premium alone for a single crossing. The freight cost to deliver the cargo was $6.5 million. The insurance cost exceeded the shipping cost.

That is not a footnote. That is a structural tax on every barrel that moves through the Gulf.

South Korean shippers are now demanding roughly $20 per barrel to transport Middle East crude to China. Last year that number was $2.50. An 8x increase in freight costs on top of an already elevated oil price.

Close to 40 large tankers were stranded inside the Persian Gulf at one point, unable or unwilling to transit. Owners aren't avoiding Hormuz because insurance isn't available. They're avoiding it because the economics of the voyage are unworkable and crew safety is not guaranteed.

Trump stepped in last week, ordering the US Development Finance Corporation to provide political risk insurance for maritime trade through the Gulf and threatening Navy escorts. Oil fell briefly. Then the market remembered that announcement and execution are two different things.

Here is the point that matters most.

Even if a ceasefire is signed tomorrow and the Strait physically reopens, war risk premiums do not reset to pre-conflict levels overnight. Insurance markets price sustained risk, not headlines. It took months after previous Gulf incidents for premiums to normalize. The shipping industry restructured routes, contracts, and relationships around the disruption. Unwinding that takes time.

The $97 Brent price you see today does not include the full cost of moving that barrel from producer to refinery to consumer. The hidden tax is still running. And it will keep running long after the flags come down.

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