Polymarket

Strait of Hormuz Traffic Market Nears 'No' Resolution Amid Ongoing Conflict

A Polymarket prediction market betting on the return of Strait of Hormuz shipping traffic to a 7-day moving average of 60 transit calls by September 30, 2026, is overwhelmingly priced for 'No' as an ongoing conflict severely restricts maritime activity in the vital waterway.

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— 3 min read

The Polymarket prediction market concerning the Strait of Hormuz's shipping traffic is heading towards a near-certain "No" resolution, with current odds reflecting the severe impact of an ongoing regional conflict. The market, which has seen over $11 million in trading volume, is set to resolve "Yes" only if IMF Portwatch publishes a 7-day moving average of transit calls for the Strait of Hormuz equal to or above 60 for any date between its creation and September 30, 2026. Otherwise, it resolves "No."

This market holds significant importance as the Strait of Hormuz is a critical global chokepoint, historically facilitating about 25% of the world's seaborne oil trade and 20% of global liquefied natural gas (LNG) before the current crisis. Normal daily transit calls before the conflict typically ranged from 85 to 125 large commercial vessels.

Escalating Conflict and Blockade

The reason for the market's strong lean towards "No" is rooted in the "2026 Iran war," which commenced on February 28, 2026, with US-Israeli attacks on Iran. In retaliation, Iran's Revolutionary Guard Corps (IRGC) has largely blocked shipping traffic through the Strait, leading to a global fuel crisis and unprecedented oil price surges. As of September 26, 2026, the Strait is considered "effectively closed to commercial traffic."

Recent data underscores the dramatic reduction in shipping. IMF Portwatch, the designated resolution source, recorded only 1 transit on September 20, 2026, representing just 1% of pre-crisis volume. The 7-day moving average of transit calls, according to another IMF Portwatch-cited source, stood at a mere 3.14 as of recent updates. Other preliminary shipping data from late September shows daily transits hovering between 3 and 17 vessels, with 10-day moving averages around 15-17, dramatically below the 60-call threshold.

Adding to the instability, Iran recently proposed a seven-day plan to reopen the Strait, contingent on the U.S. lifting its naval blockade, waiving sanctions on oil exports, and agreeing to a ceasefire. However, U.S. President Donald Trump reportedly rejected this proposal on September 25, 2026, expressing skepticism that Iran would meet his demands and suggesting a renewed bombing campaign as likely.

Market Odds Reflect Grim Reality

The current market prices vividly reflect this dire situation: "Yes" is priced at 0.0045, while "No" stands at 0.9955. This indicates an overwhelming 99.55% probability that market participants do not expect the 7-day moving average of transit calls to reach 60 by the September 30, 2026 deadline. Given that the market resolves in just a few days and traffic remains severely suppressed, a sudden and sustained surge to the required 60-call average appears highly improbable.

IMF Portwatch itself acknowledges the challenges in data collection, noting "reports of GPS jamming, AIS spoofing, and vessels going dark" due to the ongoing conflict. However, the market's resolution explicitly relies on their published figures, which currently show traffic far below the threshold needed for a "Yes" outcome.

Sources:

Market data fetched at 2026-09-26 12:15 UTC | Polymarket ID: 2774057

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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