Japan Reports Record Currency Interventions to Support Yen

Japan intervened in the currency market three times over the summer to support the yen, spending a record total of 15.4 trillion yen over a three-day period, according to figures released by the Finance Ministry. The actions included Tokyo's first coordinated operation with the United States to prop up the currency in nearly three decades.

The ministry's daily intervention data showed that authorities bought a single-day record of 7.98 trillion yen, equivalent to about $50.4 billion, on July 30. This marked the largest single-day intervention going back to 1991, when such data were first made public. Additional purchases of 5.55 trillion yen and 1.87 trillion yen were made in the following days.

The operation on July 31 involved joint intervention with the United States, representing their first coordinated effort to support the Japanese currency since 1998. US Treasury Secretary Scott Bessent and Japanese Finance Minister Satsuki Katayama stated that the intervention was designed to counter disorderly market movements and affirmed that both nations remained prepared to act again if necessary.

The rare joint action initially produced a significant impact on global financial markets, convincing some traders that the prolonged weakness of the Japanese currency might be ending. Consequently, the yen strengthened to 152.89 per dollar in early September before giving up some of those gains.

Market reaction to the released data kept the currency in focus as traders analyzed the scale of official intervention required to influence exchange rates. The figures underscore the aggressive measures taken by Japanese authorities to combat rapid depreciation and stabilize the national economy during a volatile period for foreign exchange markets.