Ukraine joins NATO before 2027?

Yes3%
American odds+2930
24h move▲ 0.2 pp
24h volume$2K
PlatformPolymarket
ClosesDec 31, 2026
Implied probability over time

NATO Allies have repeatedly described Ukraine’s path to membership as irreversible since the 2008 Bucharest Summit and removed the Membership Action Plan requirement at the 2023 Vilnius Summit, yet the July 2026 Ankara Summit produced only a €70 billion aid pledge without extending an invitation or launching accession talks. The active conflict with Russia remains the dominant barrier, as membership would immediately trigger Article 5 obligations against a nuclear power, and unanimous Allied consent has not materialized. With roughly four months remaining before 2027 and no formal accession track underway, traders assign near-certain odds against completion. A rapid, verifiable peace settlement resolving territorial disputes and enabling swift unanimous ratification by all members represents the primary scenario that could still alter the outcome before the deadline.


Other markets moving today

Prices updated 2 months ago · source: prediction markets, not a sportsbook