Will the Strait of Hormuz see 40+ ship transits in a single day by April 30? Current odds: 7%. Track shipping surge scenarios in this geopolitical market.
This market has been archived. Historical content preserved below.
The Strait of Hormuz, a critical chokepoint for global oil and maritime trade, typically sees 20-35 daily vessel transits. This market asks whether that threshold will spike to 40 ships or more on any single day through April 30, 2026. With only 7% odds, traders assess such a surge as unlikely within the four-week window. The strait's traffic patterns reflect broader geopolitical tensions, sanctions regimes, and oil market dynamics. Recent tensions between the U.S. and Iran, supply chain disruptions, and fluctuating energy demand all influence passage volumes. A surge to 40+ ships would signal either a major shift in regional stability allowing deferred shipments to transit, or a sharp spike in oil demand preceding anticipated supply constraints. Historical daily transits rarely exceed 38-40 vessels, making this threshold represent near-peak historical volume. The 7% probability pricing suggests the market sees low likelihood of either the geopolitical easing or demand shock required for sustained high-volume passage before month-end.
The Strait of Hormuz remains the world's most critical maritime bottleneck, with approximately 20-25% of global seaborne oil passing through its narrow 35-mile-wide channels daily. Typical daily transits average 20-35 vessels, though peak periods have occasionally touched 38-42 ships. This market's 40+ threshold therefore represents the upper bound of recent historical experience. Reaching this level would require either sustained demand shock or significant geopolitical shift that dramatically alters shipping patterns. Iran's strategic position controlling the eastern shore creates persistent friction between Tehran and Washington, particularly under Trump-era maximum pressure policies. Tensions correlate directly with shipping delays, rerouting, and volatility in daily transit counts. Conversely, periods of reduced rhetoric allow more stable, efficient flow. The current 7% odds implicitly price in continued moderate tension without flashpoint dynamics that would spark either massive defensive shipping or the easing that frees previously constrained traffic. Multiple catalysts could push toward YES. A diplomatic breakthrough or shift in U.S.-Iran policy could release pent-up shipments deferred by sanctions concerns. An OPEC production cut or Middle East escalation elsewhere could drive panic buying and rapid Hormuz routing. Oil prices sustained above $90-100 per barrel historically correlate with elevated shipping volumes. Conversely, the 93% NO bias reflects several structural factors. The 40-ship threshold represents peak volume; achieving it requires exceptional circumstances converging simultaneously. Shipping lines habitually diversify routes when feasible, preferring longer but safer transits around Africa. Recent years show daily traffic clustering around 25-32 ships, rarely spiking hard even during tensions. Critically, April 2026 is only four weeks away; a single peak day requires either immediate catalyst or sustained elevated demand unlikely if prior weeks show normal flow. Historical analogs inform this pricing. The November 2019 Saudi Aramco attack drove oil to $75+, yet daily Hormuz transits peaked at 36-38 ships, never reaching 40. The 2020 U.S.-Iran escalation produced volatile daily counts but no sustained 40+ days. This suggests that even material geopolitical events have historically generated volumes shy of this threshold. The 7% current odds reflect market conviction that nothing within the remaining window generates simultaneous conditions for peak-historical-volume passage.
The market resolves YES if any single calendar day through April 30, 2026 sees 40 or more distinct vessels transit the Strait of Hormuz. Resolution uses publicly available daily vessel transit data from Refinitiv, Lloyd's List, or official maritime authorities.
Polymarket Trade is an independent third-party interface to the Polymarket CLOB prediction market exchange on Polygon — not affiliated with Polymarket, Inc. Prediction markets aggregate trader expectations into real-time probability estimates. Every market question resolves YES or NO based on a specific event outcome; traders buy shares of the side they believe will resolve positively. Prices range 0¢ (certain no) to 100¢ (certain yes) and naturally reflect the crowd-implied probability of YES. Polymarket Trade is non-custodial — your funds never leave your wallet. Open the full interactive page linked above to place orders, see order book depth, and execute a trade.