Geopolitical tensions tied to the Iran conflict and Houthi threats represent the dominant driver of trader sentiment on Bab el-Mandeb closure risks. Houthis have repeatedly warned of potential shutdowns targeting Israeli-linked or Western vessels, with recent June 2026 statements reaffirming missile strikes and bans amid broader escalation, though the strait remains open to commercial traffic. Effective closure would disrupt roughly 8-9 million barrels per day of oil and refined products transiting to Europe and Asia via the Suez Canal, forcing costly reroutes around the Cape of Good Hope that add 10-14 days and elevate freight rates, bunker fuel costs, and war-risk insurance premiums. Market-implied odds reflect ongoing uncertainty around escalation thresholds, with key swing factors including any U.S. or Israeli responses, Iranian proxy coordination, and upcoming diplomatic or military developments that could either de-escalate or trigger full blockade measures.
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...?
$4,807,556 Vol.
June 15
<1%
June 22
1%
June 30
2%
September 30
15%
$4,807,556 Vol.
June 15
<1%
June 22
1%
June 30
2%
September 30
15%
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: Jun 8, 2026, 5:40 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...Geopolitical tensions tied to the Iran conflict and Houthi threats represent the dominant driver of trader sentiment on Bab el-Mandeb closure risks. Houthis have repeatedly warned of potential shutdowns targeting Israeli-linked or Western vessels, with recent June 2026 statements reaffirming missile strikes and bans amid broader escalation, though the strait remains open to commercial traffic. Effective closure would disrupt roughly 8-9 million barrels per day of oil and refined products transiting to Europe and Asia via the Suez Canal, forcing costly reroutes around the Cape of Good Hope that add 10-14 days and elevate freight rates, bunker fuel costs, and war-risk insurance premiums. Market-implied odds reflect ongoing uncertainty around escalation thresholds, with key swing factors including any U.S. or Israeli responses, Iranian proxy coordination, and upcoming diplomatic or military developments that could either de-escalate or trigger full blockade measures.
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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