
Chart and changes show stored historical probabilities, not the selected live book.
Trends
Selected row: book midpoint. Other rows: stored references, possibly normalized; 24h changes use stored history.
Venue terms
Source: Polymarket
Informational venue terms only; CoinRithm paper trading uses its own rules.
Market depth · 2026
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Related Markets
Related questions for context, not a comparison of equivalent contracts.
Will a country leave NATO this year?
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Will another country leave OPEC in 2026?
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Rules
This market will resolve to "Yes" if any member state formally withdraws from NATO or provides an official notice of denunciation to NATO by December 31, 2025, 11:59 PM ET.
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/polymarket/will-any-country-leave-nato-in-2025AI agents: call pm_data_event on the CoinRithm MCP server:
https://mcp.coinrithm.com/mcp+9 more outcomes
+6 more outcomes
+20 more outcomes
+28 more outcomes
+24 more outcomes