ForecastMind
Markets/Bab el-Mandeb Strait effectively closed by April 30?
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Bab el-Mandeb Strait effectively closed by April 30?

Closes April 30, 2026

Polymarket Price

21%YES
80%NO

Volume 24h

$47K

Liquidity

$57K

Bid / Ask

20% / 21%

Spread

1.00pp

Expert Signal

21%

Bayesian YES estimate

vs market+0.0pp
confidence21%
methodensemble

Research Summary

Prediction markets currently price "Bab el-Mandeb Strait effectively closed by April 30?" at 21% YES / 79% NO. In the last 24 hours, $47K has been traded. A Bayesian estimate puts the probability at 21%. The bid-ask spread is 1.00 percentage points. The market closes on April 30, 2026.

Cite this snapshot

ForecastMind (2026-04-04). "Bab el-Mandeb Strait effectively closed by April 30?." Prediction market snapshot: YES 21%, NO 79%. Retrieved from https://forecastmind.org/markets/1609728

Outcome Markets2 markets

This event has 2 active outcome markets. April 30: 21%, March 31: 0%. Implied probability of none resolving YES: ~79%.

Bab el-Mandeb Strait effectively closed by April 30?

21%

Topic Intelligence

Cross-Venue Intelligence2 venues
VenueYES %vs Poly
Polymarket21%anchor
Manifold

✦ AI Analysis

Synthesizes price, cross-venue gaps, Bayesian edge, and event context into a concise brief.

Price History

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Price History

+0.0pp

Key Moments

First recorded

21% YES

Apr 4, 2026

Current

21% YES (+0.0pp recent)

Apr 4, 2026

Order Book (YES)

Expected Value Calculator

%
1%Market: YES 21%99%
Buy YES@ 21¢
Edge

+2.4%

EV per $ wagered

Full Kelly0.6%
½ Kelly0.3%
Buy NO@ 80¢

-0.6%

EV per $ wagered

Buy YES+2.4% EV per dollar wagered·Kelly 0.6%

EV = return on investment if your probability is correct. Kelly = optimal bankroll fraction (½ Kelly is a common conservative choice). Fees not included.

Backtest Strategy

50%

Enter when YES price ≤ this