Polymarket

Strait of Hormuz Traffic Far From Normal as April Deadline Looms for Prediction Market

A Polymarket prediction market on the Strait of Hormuz returning to normal traffic by April 30, 2026, is heavily favoring a 'No' resolution, with current shipping data showing drastically reduced vessel movements amidst ongoing regional conflict and blockades.

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— 2 min read

The critical Strait of Hormuz, a chokepoint for roughly one-fifth of the world's oil supplies, remains far from normal operations as a Polymarket prediction market approaches its April 30, 2026, resolution deadline. The market, with a substantial trading volume of over $22 million, will resolve to “Yes” if the IMF Portwatch 7-day moving average of transit calls (“Arrivals of Ships”) for the Strait of Hormuz reaches or exceeds 60 by the end of April. However, current data and market sentiment strongly suggest a “No” outcome.

Recent reports paint a grim picture for maritime traffic in the strait. As of April 19-21, 2026, shipping activity has dropped to "minimum levels," with only three vessels reported to have transited the waterway in a 24-hour period. This is a stark contrast to the approximately 140 ships that sailed through daily before the US and Israel's war on Iran commenced on February 28, 2026.

According to IMF PortWatch data, the average number of ships passing through the Strait of Hormuz between March 1 and April 12 was a mere 6 to 7 per day, with a slight, brief uptick to 8 following a two-week ceasefire declared on April 8. Even this slight rebound was short-lived, with subsequent reports indicating renewed closures and vessel attacks. This average is significantly below the 7-day moving average of 60 required for the Polymarket to resolve as “Yes.”

The severe disruption stems from escalating geopolitical tensions. Following the US and Israel's pre-emptive attack against Iran, Tehran responded by attacking and threatening several vessels, bringing shipping traffic to a near standstill. Furthermore, a US blockade of Iranian ports has prompted Iran to maintain its own restrictions on the strait. The volatility is so pronounced that major shipping lines like MSC, CMA CGM, and Hapag-Lloyd have reportedly halted transits, with Maersk advising against transit through the Strait as recently as April 21, 2026.

The current market odds reflect this dire situation, with the "Yes" outcome trading at a price of 0.125 and "No" at 0.875. This implies that traders assign an overwhelming 87.5% probability that the Strait of Hormuz traffic will not return to a 7-day moving average of 60 arrivals by April 30. Given that only a few days remain until the resolution date and traffic remains at severely depressed levels – single-digit daily transits versus a target average of 60 – a dramatic and improbable reversal would be required for the “Yes” outcome to materialize.

The ongoing conflict, coupled with reported GPS jamming, AIS spoofing, and vessels deliberately going dark to avoid detection, further complicates any potential return to normalcy. With major shipping companies actively rerouting or avoiding the area due to heightened security risks and insurance concerns, the prospect of a rapid recovery in transit calls by the end of April appears exceptionally low.

Sources:

Market data fetched at 2026-04-22 00:17 UTC | Polymarket ID: 1540766

This article is generated by AI for informational purposes only. It does not constitute financial advice. Always do your own research before making any investment decisions. Data sourced from Polymarket and public web sources.

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