USD/JPY Plunges on Suspected Japanese Intervention After Post-Fed Weakness

USD/JPY experienced a sharp decline amid strong suspicion that Japanese authorities intervened in the currency market, strategically timing their action to capitalize on broad dollar weakness following the Federal Reserve's latest policy decision. The suspected intervention marks another instance of Tokyo stepping in to defend the yen after the pair had climbed to elevated levels in recent sessions. Japanese officials have historically refused to confirm or deny specific intervention operations in real time, but the speed and magnitude of the USD/JPY drop bore hallmarks of official action, including rapid price dislocations and outsized volume spikes. The move underscores the Japanese Ministry of Finance's continued vigilance against excessive yen depreciation, which raises import costs and squeezes household purchasing power. Traders should exercise heightened caution around USD/JPY positions, as intervention-driven moves can be volatile and difficult to predict. Key support now lies near the post-intervention lows, while resistance sits at pre-intervention levels. Further suspected interventions could keep upside capped in the near term.