Traders' strong consensus against NATO invoking Article 5 before 2027 stems from the absence of direct attacks on alliance territory despite the prolonged Russia-Ukraine conflict and related tensions. No member state has faced military incursions triggering collective defense obligations in recent months, with diplomatic channels and bilateral aid remaining the primary responses. This aligns with historical patterns where Article 5 activation has been rare and tied to clear, verifiable aggression. Realistic scenarios that could shift odds include escalation involving strikes on Poland or Baltic states, formal territorial disputes involving a member, or rapid deterioration in ongoing negotiations that draws in alliance forces.