Japan injected 15.4 trillion yen to intervene in the currency market between July 30 and August 26, the highest amount in a month, after the yen fell to its lowest level in four decades.
On August 28, 2026, at 5:05 PM, Bloomberg News reported that the Japanese government spent a record $9.64 billion in the past month to intervene in the foreign exchange market and prop up the yen after it fell to its lowest level in four decades. This reflects the Japanese authorities' readiness to take more proactive measures to curb the yen's depreciation.
Data released by Japan's Finance Ministry on Friday showed that the government spent a total of 15.4 trillion yen intervening in the foreign exchange market between July 30 and August 26, the highest amount ever for one-month intervention.
This intervention was also supported by the United States, further reinforcing warnings to speculators that they should not bet on the depreciation of the yen.
Japanese Finance Minister Satsuki Katayama and U.S. Treasury Secretary Scott Bessent confirmed in early August that Japan and the United States had intervened in their currency markets in a coordinated manner on July 31.
Both officials stated that they are ready to intervene in the market again without hesitation if the situation requires it.
However, the 15.4 trillion yen figure released by Japan's Ministry of Finance does not include the amount used by the United States to intervene in the market. The US intervention is expected to be smaller, but the key is the policy signal sent by the US's participation with Japan.
This move reflects the Japanese authorities' intensification of measures to create support for the yen after its sharp depreciation, and their readiness to re-enter the market if deemed necessary.
Reference: www.bloomberg.com
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