economy

Will there be between 25 and 29 average daily transits of the Bab el-Mandeb Strait on September 30?

PlatformPolymarket Expires2026-09-30 Volume$9,859 Open Interest$1,390
YES
38¢
Implied probability: 38.5%
NO
61¢
Implied probability: 61.5%
30-DAY PROBABILITY HISTORY Low 38¢ · High 38¢ · Δ +0.0pp
Advertisement
Kalshi · $25 sign-up bonus Trade event contracts legally in the US. Get $25 free. Kalshi is the CFTC-regulated US exchange for event contracts. Sign up with our link and get $25 in trading credit, no deposit required to claim. This specific contract is on Polymarket (not available to US traders), but Kalshi lists similar events. Open an account → Gemini · Trade $100, get $20 Prediction markets on a regulated US crypto exchange. Gemini is the NYDFS-regulated exchange offering prediction markets alongside spot crypto. New users who trade $100 get $20. Affiliate link; we may earn a commission at no cost to you. Claim the offer →
YES Price
38¢
NO Price
61¢
Total Volume
$9,859
Open Interest
$1,390
Expiration
2026-09-30
Days Left
12
About this market

What resolves this contract

This market will resolve according to the 7-day moving average of transit calls (“Arrivals of Ships”) for the Bab el-Mandeb Strait that IMF Portwatch reports for September 30, 2026. Transit calls include container, dry bulk, roll-on/roll-off, general cargo, and tanker ships. Ships not reported by IMF Portwatch will not be considered. This market will resolve as soon as the relevant data has been published. If the relevant data is not published within 14 calendar days of the specified date, this market will resolve based on the most recent data published up to that point. In case of obvious

How to read the price

Prediction market prices are expressed in cents on the dollar. A YES contract trading at 38¢ means the market is pricing in a 38.5% implied probability of the event resolving YES. If resolution comes back YES, the contract pays $1. If NO, it pays $0.

Volume vs. open interest

Total traded volume ($9,859) reflects every buy and sell across the life of this contract. Open interest ($1,390) is the dollar value of positions currently held by traders. Deep liquidity and wide open interest are the two signals that the quoted price is reliable.

Where to trade this market

This contract is listed on Polymarket. PicksByOdds does not accept deposits, execute trades, or offer brokerage. We publish the data; you decide what to do with it.

Advertisement
Related

Markets in the same story

MarketYESVolume
Will the Doge-1 Lunar Mission launch by December 31, 2026? $994,536
Will Lovable be acquired before 2027? $982,488
Will Microsoft be the largest company in the world by market cap on December 31? $978,211
FAQ

Common questions about this market

How is this market resolved?

This market will resolve according to the 7-day moving average of transit calls (“Arrivals of Ships”) for the Bab el-Mandeb Strait that IMF Portwatch reports for September 30, 2026. Transit calls include container, dry bulk, roll-on/roll-off, general cargo, and tanker ships. Ships not reported by IMF Portwatch will not be considered. This market will resolve as soon as the relevant data has been published. If the relevant data is not published within 14 calendar days of the specified date, this market will resolve based on the most recent data published up to that point. In case of obvious

When does this contract expire?

This contract closes on 2026-09-30, 12 days from now. After close, the final outcome is determined per the resolution rules above, and contracts settle at $1 (winning side) or $0 (losing side).

What happens if I buy YES at 38¢?

If the event resolves YES, each YES contract pays $1, a profit of 62¢ per dollar risked. If it resolves NO, the contract pays $0 and the full 38¢ is lost. Current market price implies a 38.5% probability of YES.

Where is this market listed?

This contract is listed on Polymarket. PicksByOdds aggregates and displays public market data; we do not broker trades or custody funds.

How reliable is the quoted price?

This market has $9,859 in total traded volume and $1,390 in open interest. Deeper liquidity generally means tighter spreads and more reliable implied probabilities. Prices refresh multiple times per day.

Disclaimer: Prediction market data on this page is sourced from public order books. Prices change continuously; figures shown here reflect the last refresh at 2026-09-18. Nothing on this page constitutes investment or betting advice.
Get new posts in your inbox. No spam, unsubscribe anytime.