ForecastMind
Markets/Will any country leave NATO by December 31, 2026?
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Will any country leave NATO by December 31, 2026?

Closes December 31, 2026

Polymarket Price

18%YES
83%NO

Volume 24h

$33K

Liquidity

$31K

Bid / Ask

17% / 18%

Spread

1.00pp

Expert Signal

18%

Bayesian YES estimate

vs market+1.6pp
confidence50%
methodensemble

Research Summary

Prediction markets currently price "Will any country leave NATO by December 31, 2026?" at 18% YES / 82% NO. In the last 24 hours, $33K has been traded. A Bayesian estimate puts the probability at 18%. The bid-ask spread is 1.00 percentage points. The market closes on December 31, 2026.

Cite this snapshot

ForecastMind (2026-04-02). "Will any country leave NATO by December 31, 2026?." Prediction market snapshot: YES 18%, NO 82%. Retrieved from https://forecastmind.org/markets/1807912

Outcome Markets3 markets

This event has 3 active outcome markets. December 31, 2026: 18%, June 30, 2026: 8%, June 30, 2026: 5%. Implied probability of none resolving YES: ~70%.

Topic Intelligence

✦ AI Analysis

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

Price History

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Price History

-2.0pp

Key Moments

First recorded

20% YES

Apr 1, 2026

Current

18% YES (-0.5pp recent)

Apr 2, 2026

Order Book (YES)

Expected Value Calculator

%
1%Market: YES 18%99%
Buy YES@ 18¢
Edge

+2.9%

EV per $ wagered

Full Kelly0.6%
½ Kelly0.3%
Buy NO@ 83¢

-0.6%

EV per $ wagered

Buy YES+2.9% 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