Traders assign a 96% probability against a China-Japan military clash before 2027 because both governments prioritize deterrence through alliances, economic interdependence, and managed grey-zone activities over kinetic escalation. Recent months have featured heightened Chinese coast guard patrols and research vessel operations near the Senkaku Islands, a minor fishing vessel collision in October 2026, and Japanese air scrambles, yet these incidents have produced only diplomatic protests without crossing into armed confrontation. Japanese Prime Minister Sanae Takaichi has described China as an “important neighbor” while pursuing defense enhancements, and Beijing continues to reference the four political documents governing bilateral ties. Structural factors such as the U.S.-Japan security alliance, mutual economic exposure, and established crisis communication channels further reduce escalation risks. A Taiwan contingency or major miscalculation at sea could still shift odds, though current patterns favor de-escalation.