Bab el-Mandeb Strait effectively closed by October 31?

Named source: portwatch.imf.org · End date Oct 31, 11:59 PM ET · Live market: Bab el-Mandeb Strait effectively closed by October 31? · View rules on Polymarket (international site) ↗

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The PolyTruth Read: Official Data & Tape Lean

Tape Lean: ProRules Lean: Stated ConditionGoverned by portwatch.imf.org

Market Implied Odds

Pro

live price on Pro

Orderbook Pressure (±5¢)

Pro

depth read on Pro

Resolution Hurdle & Trap Risk

Low Trap Risk (0/100)

Stated Condition

Official source & catalyst check: settlement runs on Named URL in rules: portwatch.imf.org. Named URL in rules: portwatch.imf.org. No recorded moves for this market yet.
Settlement edge / trap to watch: Settles on the condition as written with an ET cutoff. Cutoff: Sat, Oct 31, 2026 (date from market title) Cutoff: Sat, Oct 31, 2026 (date from market title). If a second venue lists the same question, compare its named source, cutoff time and timezone, and fallback.

Source named: portwatch.imf.org (not a tracked official feed, no release history)

Standardized read of public orderbook, official-source and contract-rule data, identical for every viewer. It describes the data; it is not a recommendation to buy or sell. The venue’s published rules control settlement.

Live price, CLOB chart & orderbook depthPro

Live prices, 15-minute deltas, orderbook depth, and move attribution for this market are on Pro.

See Pro

Bab el-Mandeb Strait effectively closed by October 31?

Polymarket

Named source: portwatch.imf.org

Low Trap Risk (0/100)

Source
Cutoff TZ
Trigger
Fallback
Cross-Venue

Trap risk Low 0

Named primary resolution source

Named URL in rules: portwatch.imf.org · https://portwatch.imf.org/pages/6b1814d64903461b98144a6cc25eb79c.

Cutoff date, timestamp & timezone

Sat, Oct 31, 2026 (date from market title) America/New_York

Action trigger

Stated ConditionResolution condition as written: "This market will resolve to “Yes” 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."

Delay / cancellation / revision fallback

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.

Cross-venue & fine-print settlement trap

Cross-venue & fine-print settlement trap: If a second venue lists the same question, compare its named source, cutoff time and timezone, and fallback; Polymarket disputes go to the UMA Optimistic Oracle while Kalshi follows CFTC-filed contract terms.

Rules text on file (Polymarket)

This market will resolve to “Yes” 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”. 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.