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Bab el-Mandeb Strait effectively closed by 2026?

Comparison of odds and platforms for "Bab el-Mandeb Strait effectively closed by 2026?" — sourced live from the Polymarket order book, curated by Best Prediction Markets UK.

0% YES 100% NO Volume: $3.5M Liquidity: $190K Closes: 30 Apr 2026
Trade on Best Prediction Markets UK →
Bab el-Mandeb Strait effectively closed by 2026?

Platform comparison

PlatformYES oddsNO oddsFeeKYCSettlement
Best Prediction Markets UK Pick
polygram.ink
0% 100% 0% (USDC on-chain) No-KYC up to $1,500 USDC, auto via UMA oracle Open on Best Prediction Markets UK →
Polymarket
polymarket.com
0% 100% 0% Geo-blocked in US/UK/EU USDC, on-chain Open on Best Prediction Markets UK →
Kalshi
kalshi.com
Up to 7% per trade US-only, KYC required USD Open on Best Prediction Markets UK →
Betfair Exchange
betfair.com
2-5% commission Full KYC from first trade GBP / EUR Open on Best Prediction Markets UK →
Manifold Markets
manifold.markets
Play-money (mana) None — play-money Mana (no cash-out) Open on Best Prediction Markets UK →

Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Best Prediction Markets UK.

Active sub-markets

March 310% YES100% NO
April 300% YES100% NO
May 310% YES100% NO
June 3014% YES86% NO
September 3021% YES80% NO

Market context

The Bab el-Mandeb Strait, a 33-kilometre chokepoint between Yemen and Djibouti, has experienced sustained disruption since Houthi forces began targeting commercial shipping in late 2023. The market asks whether transit volumes will fall to 10 or fewer vessels per day (measured as a 7-day moving average) by April 2026. Current crowd pricing at 0% implies near-certainty that shipping will remain above this threshold, despite ongoing attacks and insurance premiums that have tripled regional transit costs.

Historical precedent suggests the threshold is difficult to breach. During the 2011 Suez Canal blockade, daily transits fell below 20 vessels but rarely approached single digits even at peak disruption. The 2022 Russia-Ukraine war saw Black Sea shipping severely constrained yet maintained roughly 15–25 daily transits through alternative routes. IMF PortWatch data from 2024 showed Bab el-Mandeb averaging 35–45 arrivals daily despite Houthi incidents, indicating substantial operational resilience and rerouting capacity via the Cape of Good Hope, albeit at significant cost.

Traders should monitor three variables: escalation in Houthi targeting accuracy (recent strikes have improved but remain sporadic); insurance and fuel surcharges that might render the route economically unviable; and any formal shipping industry guidance suspending transits. The US Navy's Operation Prosperity Guardian has maintained a visible presence but has not prevented attacks. A meaningful shift toward closure would likely require either a major geopolitical escalation in the Yemen conflict or a coordinated shipping industry decision to abandon the route entirely—neither currently priced into the 0% crowd assessment.

Methodology

This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Best Prediction Markets UK, which mirrors the Polymarket order book directly.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?
On Best Prediction Markets UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
What's the difference between YES and NO shares?
A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
How fast are USDC deposits?
Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
Do I need to KYC for this market?
Not under $1,500 of lifetime trading volume. Above that threshold, Best Prediction Markets UK triggers a quick verification flow that finishes in minutes.
How reliable are the quoted odds?
The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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Trade Bab el-Mandeb Strait effectively closed by 2026? on Best Prediction Markets UK

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