Polymarket

Strait of Hormuz: Market Odds Point to Prolonged Shipping Disruption Amid Escalating Conflict

A Polymarket prediction market betting on the return to normal shipping traffic in the Strait of Hormuz by August 31, 2026, is heavily skewed towards 'No,' reflecting ongoing severe disruptions caused by the US-Iran conflict.

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— 3 min read

The vital Strait of Hormuz, a critical chokepoint for global energy and trade, remains severely impacted by ongoing geopolitical tensions, leading a Polymarket prediction market to overwhelmingly favor a continuation of disrupted shipping traffic. The market, which asks if the 7-day moving average of transit calls will return to or exceed 60 by August 31, 2026, currently shows a strong lean towards a 'No' resolution, with prices at 0.845 for 'No' and just 0.155 for 'Yes.'

This market's resolution hinges on data from IMF Portwatch, specifically the 'Arrivals of Ships' metric for the Strait of Hormuz. Prior to the escalation of conflict in early 2026, the Strait typically saw 70 to over 100 commercial vessel crossings daily. However, since February 28, 2026, when the United States and Israel launched an air war against Iran, shipping traffic has been largely blocked and severely curtailed. Iran retaliated by issuing warnings, boarding vessels, attacking merchant ships, and laying sea mines, further exacerbating the crisis.

Recent data underscores the persistent disruption. According to IMF Portwatch, traffic through the Strait saw a slight rise in June and early July but remained "far behind levels seen in early 2026 before the conflict started". Specifically, between late June and early July, the average was around 25 ships per day, a sharp decline from approximately 100 ships a year prior. More alarmingly, between July 13 and July 19, the average daily transits further decreased to about 10 vessels. Lloyd's List Intelligence reported on July 21, 2026, that transits of non-Iranian linked ships plummeted from 108 to 25 week-on-week during July 13-19, with total traffic down around 90% year-on-year. Kpler data also indicated a drop from an average of 45 crossings per day during a temporary truce (June 7-July 7) to roughly 13 crossings daily after the return to conflict. Some reports even noted periods of zero outbound commercial vessel movement.

The ongoing conflict has led to a global fuel crisis, significant tanker delays, port congestion, and soaring marine insurance premiums, forcing many major carriers to reroute ships around the Cape of Good Hope, adding thousands of nautical miles and considerable costs to voyages. The UN International Maritime Organization (IMO) reported on July 23, 2026, that "very few ships, if any," are sailing through the waterway, with approximately 6,000 seafarers reportedly trapped on around 500 ships in the Persian Gulf.

Given that the 7-day moving average of transit calls needs to reach 60 for a 'Yes' resolution, and current figures are consistently in the low double digits or even single digits, the market's skepticism appears well-founded. Expert opinions from Kpler suggest that Middle East oil supply will not return to pre-war levels this year, with normalization not expected until early 2027. The latest reports, including a July 26, 2026, update on British-American cooperation to enhance maritime security, highlight the persistent, active nature of the security concerns.

For the Strait of Hormuz traffic to return to a 7-day moving average of 60 by August 31, 2026, a rapid and substantial de-escalation of the conflict, coupled with a swift restoration of shipping confidence and operational normalcy, would be required. The current geopolitical landscape and recent data trends, however, paint a picture of enduring disruption, making the 'No' outcome highly probable for this critical prediction market.

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Market data fetched at 2026-07-26 06:15 UTC | Polymarket ID: 2774056

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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