Japan and U.S. Execute Coordinated Intervention to Support the Yen

Overview

• The Federal Reserve Bank of New York conducted operations on Friday to sell euros and buy Japanese yen on behalf of the U.S. Treasury, according to the Financial Times and other reports.
• Japanese authorities carried out large yen purchases earlier in the week, with analysts estimating around ¥8.45 trillion (about US$52.8 billion) was spent in a heavy one-day intervention.
• The U.S. Treasury privately told major banks to be prepared to act and a Reuters photo showed Secretary Scott Bessent’s notepad noting a possible purchase of US$5–10 billion in yen, signaling U.S. operational involvement.
• Markets reacted quickly with the dollar falling from roughly ¥158.9 to about ¥157.6 after reports of the joint measures, and trading data show a sharp drop in intraday yen volatility.
• Officials and analysts warn the gains may not hold without a sustained narrowing of U.S.-Japan interest rates and note that further interventions could strain Japan’s funding needs or affect U.S. Treasury markets.