
Trump said Hormuz tolls would be a dealbreaker in Iran talks. With a 60-day MOU window, the shipping industry and oil markets face uncertainty over future fees.
President Donald Trump said tolls on ships in the Strait of Hormuz would be a red line in negotiations with Iran. "It would be unacceptable to me," he told reporters Wednesday. "It would be a game changer."
Iran has sought to administer the strait after US and Israeli strikes. Last week, Iran said ships need its permission and a mandatory insurance policy. The policy is free for now. It could lead to fees later.
A memorandum of understanding between the US and Iran rules out transit charges for a 60-day period. After that, the door opens for a new arrangement between Oman and Iran, with other Gulf states. Iran and Oman announced Wednesday they would start talks on the strait's administration, including the cost of managing transit.
Secretary of State Marco Rubio said no country on the planet supports tolling. "That's not going to happen."
The global shipping industry has warned against normalizing fees. Allowing Iran to charge tolls could set a precedent for other critical shipping lanes. The Strait of Hormuz is a crucial waterway for crude and natural gas, among other commodities.
For oil markets, the risk is straightforward. About 20% of global oil supply passes through the strait. Any fee or disruption raises the cost of moving crude. Tanker rates could climb. Refiners in Asia and Europe that rely on Gulf crude would see margins squeezed.
Shipping lines face a different exposure. A toll adds a direct cost per voyage. Insurance premiums for transit through the strait could rise if the regime becomes uncertain. The industry's fear is that a Hormuz fee would encourage other chokepoints to follow suit.
The 60-day MOU window is the next concrete marker. If Iran and Oman reach an agreement that includes fees, Trump's red line would be tested. If no deal emerges, the status quo holds for now. Traders will watch the talks and any signals from Washington.
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