Bab Al-Mandeb Strait Betting Odds Hit 18% as Price Hinges on a Data Trigger

Polymarket traders are pricing an 18% implied probability that the Bab Al-Mandeb Strait betting odds meet the platform’s definition of “effectively closed” before December 31, 2026, based on the market’s live pricing as of its September 24 update.

The contract does not require any government or naval authority to declare the waterway shut; it resolves Yes only if IMF PortWatch records a seven-day moving average of 10 or fewer ship arrivals on any date before the deadline.SOURCE: Polymarket Bab Al Mandeb Strait Betting OddsThat distinction matters more than the headline number.

Shipping through the strait has collapsed by most measures on record, but collapse and the contract’s specific data trigger are not the same thing.Also, nothing in the available reporting confirms that the seven-day threshold has actually been crossed.

Polymarket has run into this same verification gap before on Houthi-linked contracts, where ground-truth confirmation lags the market’s appetite for a clean binary answer.Bitcoin (BTC)24h7d30d1yAll timeBab Al Mandeb Strait Betting Odds: What Does the Shipping Data Actually Show?Houthi forces seized Yemen’s Red Sea coastline, the port of Mokha, Perim (Mayun) Island, and the Hanish Islands in mid-September, putting the group in control of both shores flanking the strait.