The Japanese yen climbed against major G-10 and Asian currencies Friday, reversing some of its recent losses amid growing speculation that authorities may step into currency markets. USD/JPY slipped to 161.08, down 0.2% from earlier highs, as investors recalibrated positions following the pair's surge to 161.80 on Thursday.

Commonwealth Bank strategist Carol Kong noted that dollar-yen has returned to levels that previously prompted Ministry of Finance intervention. She said speculative positioning against the yen remains elevated, creating conditions ripe for official action. The currency pair's move to its highest intraday level since July 2024 underscores the pressure building on Japanese policymakers.

Market participants are watching for verbal warnings from Japanese officials, which typically precede actual foreign exchange market intervention. Such measures could cap further yen weakness and provide relief to Japanese exporters facing rising dollar costs. The threat of intervention adds volatility to an already turbulent currency landscape.

With the Bank of Japan maintaining its ultra-loose monetary stance, officials have limited tools to combat yen weakness beyond direct market intervention. The current dynamic reflects the ongoing tension between monetary policy divergence and currency stability in global markets.