Most people in the United States had never heard about the Strait of Hormuz until a few months ago. It’s a narrow stretch of water between Iran and Oman, thousands of miles away. But since the war with Iran has started, the effects have reached us fast, not through missiles or politics, but through something far more invisible: insurance.

This is the part of global conflict that rarely makes the headlines. Yet it’s the part that hits the common consumer hardest. Every day, enormous tankers carry oil and natural gas through the Strait of Hormuz. About one‑fifth of the world’s seaborne oil moves through that narrow channel.

Shipping companies must buy war‑risk insurance to pass through dangerous waters.

When the risk rises, the price of that insurance skyrockets. And when insurance becomes too expensive, ships stop moving. When ships stop moving, energy prices rise globally.

That’s the chain reaction:

Iranian threat → higher insurance → fewer ships → tighter supply → higher prices for consumers.
 

You don’t need to follow foreign policy to feel the impact. You feel it at the gas pump, in your heating bill, and eventually in the price of groceries delivered by trucks that rely on fuel.

So when people imagine the strait being “closed,” they think missiles and warships — but in reality, Hormuz is often “closed” by insurance companies.

When Iran seizes a tanker or launches drones, insurers respond immediately. War‑risk premiums can jump from a few thousand dollars to millions for a single voyage. Some insurers even cancel certain types of coverage with just a few days’ notice.

For a shipping company, that’s like being told:

“You can drive through this neighborhood, but your car insurance will cost ten times your monthly rent.”

Most owners would simply refuse to go. So essentially, the strait doesn’t have to be blocked, it only has to be expensive.

So now we have a situation where Iran doesn’t need to win a war to influence the world. It only needs to make the Strait of Hormuz feel unsafe. A single attack can raise insurance rates for weeks. This is now Iran’s leverage: risk.