Heightened geopolitical tensions in the Middle East, driven by Iranian threats to restrict access through the Bab el-Mandeb Strait in response to U.S. actions in the Strait of Hormuz, represent the primary driver of current trader sentiment. Iranian officials and Houthi-aligned forces have issued recent warnings, including a May 3 call for targeted closure to shipping from certain nations, amid ongoing regional conflict. Any effective shutdown would disrupt vital oil export routes from the Persian Gulf and container traffic between Asia and Europe, potentially pushing up freight rates, extending transit times via alternative paths like the Cape of Good Hope, and adding upward pressure to energy prices and global supply chains. Market-implied odds for closure by late May have eased recently, reflecting trader views on diplomatic offsets and military constraints, though escalation risks remain tied to upcoming U.S.-Iran developments and Houthi statements.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedBab el-Mandeb Strait effectively closed by...?
$2,867,961 Vol.
May 31
4%
June 30
14%
September 30
21%
$2,867,961 Vol.
May 31
4%
June 30
14%
September 30
21%
This market will resolve as soon as IMF PortWatch publishes a 7-day moving average of transit calls for the Bab el-Mandeb Strait equal to or below 10, or once data has been published for the listed date and no such value has been published.
If no data has been published for the listed date within 14 calendar days (ET) after that date, this market will resolve based on the data published up to that point.
Revisions to previously published data points made before data has been published for the listed date will be considered; however, they will not disqualify a previously published data point from qualifying. Revisions made after data has been published for the listed date will not be considered.
The resolution source for this market will be IMF PortWatch, specifically the “Arrivals of Ships” data published for the Bab el-Mandeb Strait at https://portwatch.imf.org/pages/6b1814d64903461b98144a6cc25eb79c.
Market Opened: May 5, 2026, 8:25 PM ET
Resolver
0x65070BE91...This market will resolve as soon as IMF PortWatch publishes a 7-day moving average of transit calls for the Bab el-Mandeb Strait equal to or below 10, or once data has been published for the listed date and no such value has been published.
If no data has been published for the listed date within 14 calendar days (ET) after that date, this market will resolve based on the data published up to that point.
Revisions to previously published data points made before data has been published for the listed date will be considered; however, they will not disqualify a previously published data point from qualifying. Revisions made after data has been published for the listed date will not be considered.
The resolution source for this market will be IMF PortWatch, specifically the “Arrivals of Ships” data published for the Bab el-Mandeb Strait at https://portwatch.imf.org/pages/6b1814d64903461b98144a6cc25eb79c.
Resolver
0x65070BE91...Heightened geopolitical tensions in the Middle East, driven by Iranian threats to restrict access through the Bab el-Mandeb Strait in response to U.S. actions in the Strait of Hormuz, represent the primary driver of current trader sentiment. Iranian officials and Houthi-aligned forces have issued recent warnings, including a May 3 call for targeted closure to shipping from certain nations, amid ongoing regional conflict. Any effective shutdown would disrupt vital oil export routes from the Persian Gulf and container traffic between Asia and Europe, potentially pushing up freight rates, extending transit times via alternative paths like the Cape of Good Hope, and adding upward pressure to energy prices and global supply chains. Market-implied odds for closure by late May have eased recently, reflecting trader views on diplomatic offsets and military constraints, though escalation risks remain tied to upcoming U.S.-Iran developments and Houthi statements.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated

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