Iran imposes $1M toll on Strait of Hormuz transits

Iran has imposed a toll exceeding $1 million on vessels transiting the Strait of Hormuz and enacted measures that tightened controls on passage. The measures took effect earlier this month after a series of military engagements in the region.

According to shipping and government sources, the new regime requires payment of more than $1 million per transit. U.S. naval forces have increased restrictions on Iranian ports, an arrangement officials have described as a dual blockade that has discouraged many commercial operators from using the route.

Ship operators and charterers have responded by rerouting tankers, delaying sailings or suspending transits through the strait. Maritime trackers and shipping data show a notable drop in vessel movements compared with usual seasonal levels. The Strait of Hormuz links the Persian Gulf with the Gulf of Oman and carries exports of crude oil and liquefied natural gas from several Gulf producers.

Market indicators show volatile short-term expectations. A prediction-market feed registered a 68% probability that at least 20 ships would transit the strait by May 31, up from 45% the previous day. The same market data indicated roughly a 48% chance that the benchmark WTI crude contract will reach $110 per barrel in May.

Insurance brokers and operators report higher premiums and rising operating costs for tankers calling in the region. Some observers note that other coastal states could consider similar transit fees, which would affect route planning and supply chains for energy and goods.

Items to monitor include any adjustments to Iran’s fee structure or enforcement, changes in U.S. naval posture around Iranian ports, diplomatic negotiations, and any additional military actions or sanctions that could influence ship owners’ transit decisions.