Prediction markets are now positively evaluating the possibility of a naval blockade against Saudi Arabia, now that the Houthis have issued a statement declaring a maritime blockade based on the principle of an “eye for an eye,” seeking to disrupt the flow of Saudi oil exports.
Key Takeaways
Polymarket odds of a Bab el-Mandeb Strait closure hit 26% as traders weigh threats to Saudi oil exports.Yemeni Houthis declared a naval blockade on Saudi Arabia, threatening 4.5 million barrels of oil transit.The contract uses IMF PortWatch data rather than news reports, ensuring objective market resolution.Polymarket bettors have now elevated the possibility of this happening by August 31 to 21%, rising from a low of 11% on Monday morning. Chances of it happening before September 30 also rose as high as 26%.
The group seeks to escalate the conflict against the Saudi government after an attack on the Sanaa airport last week to stop an Iranian aircraft from landing, even as the Yemeni government claimed responsibility.
“We call upon the people of our great nation to continue the general mobilisation and general call to arms, and to be fully prepared for all scenarios and developments and to support the fronts with fighters,” the Houthis stated, hinting at an increased involvement in the Middle East conflict.
The contract defines that it will resolve positively “if IMF PortWatch publishes a 7-day moving average of transit calls (‘Arrivals of Ships’) for the Bab el-Mandeb Strait less than or equal to 10 for any date between market creation and the listed date.” Otherwise, this market will resolve to No.


















