June 30, 2026

This market will resolve to "Yes" if any member state formally withdraws from NATO or provides an official notice of denunciation to NATO by June 30, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No". A notice of denunciation refers to the submission of a notice of withdrawal as per Article 13 of the North Atlantic Treaty. A country's exit from NATO’s integrated military command structure will not be sufficient to resolve this market to "Yes". That country must either withdraw or...