The narrow waterway responsible for roughly 20% of global seaborne oil and LNG trade could soon come with a price tag. Iran and Oman are negotiating a permanent transit fee system for the Strait of Hormuz, a move that would effectively turn one of the world’s most critical shipping lanes into a toll road.

Iran has reportedly been charging fees as high as $2 million per vessel, with some payments already accepted in crypto or yuan. Now both countries want to formalize the arrangement, and the implications stretch well beyond the Persian Gulf.

What’s on the table

The framework centers on a 10-point Iranian proposal that would grant Iran and Oman joint regulatory powers over strait traffic. That includes the ability to veto shipments deemed “hostile.”

The plan calls for preferred passage granted to allied nations, while vessels from sanctioned countries could face restricted access.

If implemented, the fee system could generate between $5 billion and $8 billion annually. Iran’s parliament is reportedly preparing to release full details through a newly proposed Persian Gulf Strait Authority, with an announcement expected as of mid-May 2026.

Oman’s stance is notably more measured. The sultanate has historically prioritized international norms of navigation and appears cautious about any arrangement that could be perceived as violating maritime law. The negotiations likely include revenue-sharing components.

The crypto angle

Reports indicate that Iran has already accepted Bitcoin payments for some transit fees, alongside Chinese yuan, as a mechanism to circumvent Western sanctions.

The fee structure reportedly includes charges equivalent to $1 per barrel on transiting oil, with the cryptocurrency option serving as an alternative settlement layer for countries and shipping companies unwilling or unable to transact in US dollars.

Why energy markets should be nervous

The Strait of Hormuz handles about one in every five barrels of oil traded by sea. Adding a $2 million fee per vessel changes the math for every tanker operator, refinery, and energy trader with exposure to Gulf crude. Those costs inevitably get passed downstream through higher fuel and energy prices.

This proposal follows a ceasefire in regional tensions reached in April 2026. Traffic through the strait has already declined due to ongoing regional conflicts. A formal toll system could accelerate that trend, pushing shippers toward longer alternative routes around the Cape of Good Hope.

What investors should watch

The Persian Gulf Strait Authority’s forthcoming announcement should clarify the payment mechanisms. If the framework explicitly codifies cryptocurrency as an accepted settlement method, it would add a new category of demand for Bitcoin tied to sovereign infrastructure payments rather than retail speculation or institutional portfolio allocation.

Energy investors face higher transit costs that mean higher delivered prices for Gulf crude and LNG. Companies with diversified supply chains or exposure to non-Gulf production basins could benefit relatively, while those dependent on Hormuz-transiting cargoes face margin compression.

Oman’s willingness to sign on remains the critical unknown. Without Omani cooperation, Iran’s unilateral toll collection faces legal challenges under the United Nations Convention on the Law of the Sea, which guarantees transit passage through international straits. With Oman on board, the arrangement gains a veneer of bilateral legitimacy that’s harder for the international community to challenge outright.