A 'weaponized' yen: How the U.S.-Japan intervention may reshape global currency markets

The unprecedented U.S.-Japan intervention to support the yen was larger than usual, coordinated with Washington, and executed via the euro-yen cross with explicit political backing. Some analysts view it as a "weaponized" yen, deploying sovereign balance sheets to deter speculative bets and reshape market psychology. The move signals that foreign exchange policy is becoming increasingly intertwined with geopolitics, raising the cost of betting against the yen.