Japan and the U.S. coordinated a currency intervention to buy yen to address excessive depreciation and disorderly market fluctuations, Finance Minister Satsuki Katayama said.

This rare joint action marks the first coordinated intervention between the two nations in approximately 28 years [2]. The move signals a critical effort by Japanese authorities to stabilize the currency after the yen faced severe downward pressure in recent months.

Katayama said the government worked with the U.S. Treasury to implement the intervention. She said the action was designed to deal with the excessive fluctuations and disorderly movements observed in the yen recently.

The intervention follows a period of significant volatility. In late July, the yen approached a rate of 164 JPY/USD [2]. Following the coordinated effort, the currency was trading at approximately 155.80 JPY/USD [2].

Former President Donald Trump said the yen had weakened and Japan had been seeking help [2].

The Japanese government's decision to move beyond unilateral action suggests that domestic efforts were insufficient to stop the slide. By partnering with the U.S. Treasury, Japan aims to create a more powerful deterrent against speculators who bet on further yen weakness. The stability of the exchange rate is vital for managing import costs, and controlling inflation within the Japanese economy.

“"We implemented a yen-buying intervention in coordination with the U.S. Treasury."”

A coordinated intervention is a high-level diplomatic and economic tool used only in extreme circumstances. By aligning with the U.S. Treasury, Japan is attempting to signal a global consensus on the 'correct' value of the yen to discourage speculative trading. This move indicates that the Japanese government views the recent slide toward 164 JPY/USD as a systemic risk to its economic stability rather than a standard market correction.