Traders assign a 96.2% probability that China and Japan will avoid a direct military clash before 2027 because ongoing tensions remain confined to grey-zone activities, radar lock-ons, coast guard patrols around the Senkaku/Diaoyu Islands, and live-fire drills in disputed waters, all managed through formal protests and diplomatic channels. Heightened friction since late 2025 over Japanese statements on a Taiwan contingency has prompted reciprocal military signaling and Japanese defense enhancements, yet both governments have prioritized de-escalation to limit risks of unintended escalation involving the U.S. alliance. Realistic scenarios that could still shift odds include a ship or aircraft collision during close encounters, rapid spillover from a Taiwan crisis, or miscalculation during joint exercises that prompts kinetic responses before year-end 2026.