Avg. # of ships transiting Strait of Hormuz end of September: the evidence and conditions to watch

What this event actually asks

The useful question is precise: Will there be between 5 and 10 average daily transits of the Strait of Hormuz on September 30? In the API observation at 09:57 UTC on 2026-10-04, the selected contract’s first listed outcome was priced at 1.2%. The parent event had recorded $101,806 in cumulative volume. This is turnover across the event, not a count of independent forecasters or proof that this outcome is correctly priced. ^[1][2]

This market will resolve according to the finalized 7-day moving average of transit calls (“Arrivals of Ships”) for the Strait of Hormuz that IMF Portwatch reports for September 30, 2026. ^[2]

The API still marks this event open for orders even though its scheduled end date has passed. This is a pending-resolution question, not a new future window. Assess evidence from the original interval and the rules for later confirmation. ^[1][2]

A shipping route can be legally open and commercially unusable

The IMO has called for restored freedom of navigation in the Strait of Hormuz while highlighting risks to seafarers and supply chains. Its statement separates the right of transit from whether ships and crews can safely exercise it. ^[3]

For operators, a route’s usability depends on physical security, insurance, port access and dependable passage. A government announcement can change expectations immediately, but commercial traffic may recover more slowly. Conversely, some ships may transit despite continuing political disagreement. Measure the variable the contract actually names.

Which evidence would change the assessment?

Sustained vessel movements or a formally adopted measure that meets the stated test would strengthen the positive case. For traffic thresholds, the correct vessel classes and observation window matter.

One successful transit, a temporary military escort or a promise to reopen may not establish normal traffic. Data gaps and vessels changing identification practices can also complicate apparent counts.

Check whether a new report changes the evidence for the specified condition or merely repeats an existing claim. A price move can identify a question worth investigating without establishing its cause.

The next useful checkpoint

Written-rule date: September 30, 2026 (ET). The selected contract and any reporting grace period govern settlement. ^[2]

Our reading is conditional: compare the next primary record with the exact threshold above, then revisit the case if the evidence contradicts it. A high quoted chance does not establish certainty; a low quote does not make the event impossible. The value of the article is a clearer test of the claim, not an asserted trading advantage.