NATO's institutional framework, including Article 5 collective defense commitments and established consultation mechanisms like Article 4, underpins trader consensus against intra-alliance military clashes before 2027. External pressures from Russian hybrid operations—such as recent drone incursions into Polish, Baltic, and Romanian airspace and attributed sabotage attempts in Germany—have prompted coordinated responses, joint exercises, and intelligence sharing among members, reinforcing alliance cohesion despite separate frictions over defense spending, U.S. policy priorities, and issues like Greenland. Historical precedent of no direct conflicts since NATO's founding further supports this positioning. Realistic scenarios that could still shift odds include an accidental escalation from misattributed hybrid incidents or a sudden bilateral flare-up, such as longstanding Aegean disputes, though both remain low-probability in the narrow remaining window.