The U.S.
Treasury joined Japan's Ministry of Finance in a coordinated yen-buying operation, with officials from both countries pledging to intervene again if disorderly market conditions continue.
US and Japan Signal More Joint Action Japan's Ministry of Finance announced on X that it purchased yen on Friday in coordination with the U.S.
Treasury to counter what it described as excessive volatility and disorderly movements in the currency.
The ministry said the intervention was conducted under a September 2025 U.S.-Japan agreement that provides for coordinated action during periods of market disruption.
