Iran charges Hormuz fees by September 30?

Prediction markets put the probability at 19%: Iran charges Hormuz fees by September 30. Currently, markets see this as unlikely (19% YES). Iran's ambassador to China insists that new fees will be charged to ships transiting the Strait of Hormuz — an idea rejected by Washington.

What’s Happening

Iran's ambassador to China said on July 24, 2026 that "friendly nations" would receive "special" treatment on any new charges levied on ships transiting the Strait of Hormuz, reaffirming Tehran's intent to impose transit fees despite firm rejection from Washington. The remarks came amid a fragile pause following a fortnight of direct military exchanges between the United States, Israel and Iran, with no formal ceasefire announced. Neither side has signaled it will capitulate over control of the strait, the conduit for roughly a fifth of global oil flows, leaving the question of whether Iran charges Hormuz fees by September 30 unresolved as diplomatic channels remain open but strained. [Times of Israel, Jul 24]

Regional positioning has been contradictory. On June 29, Iran called the situation "sensitive and complex" as U.S. officials traveled to Qatar for talks. Oman first issued a joint statement with Iran examining "the costs relating to managing the strait," then reversed course, saying no "passage fees" were planned and that a "temporary maritime corridor" would open in coordination with the UN. Tehran countered that the only authorized route ran close to its own coastline. A U.S.–Iran memorandum of understanding commits Iran to dialogue, but hawks in Washington view any levy as coercion, while analysts caution that enforcement mechanics — collection, inspection, escort — remain undefined. [CBS News, Jun 29]

The economic backdrop is already severe: summer airfares have jumped 30% since Iran closed the strait, and the Shanghai Containerized Freight Index has doubled since late February, its highest since the 2024 Red Sea crisis. Whether Iran charges Hormuz fees by September 30 now hinges on the structural standoff — no ceasefire, no signed agreement, and no resolution between Tehran and Washington in sight. With markets bracing for oil-price pressure that could push the FOMC to hold or hike, the fee question turns on whether diplomacy produces a formal framework before the September 30 deadline. [Fortune, Jul 26]

Traded on Polymarket — $59K Volume

Lower-volume market on Polymarket ($59K). Wider spreads expected — enter with limit orders and be aware of slippage risk. Currently 19c YES.