Japan: record ¥7.98 trillion yen-buying intervention in a single day
New official figures show that more than half of Japan’s third-quarter spending to support the yen came on 30 July.
On 30 July 2026, Japan sold US dollars and bought ¥7,975.6 billion worth of yen, according to daily figures released on 9 November by Japan’s Ministry of Finance. Reuters, comparing the amounts with the ministry’s historical series, reported that this was the largest single-day yen purchase since the available series began in 1991. The previous high was ¥6,278.7 billion on 30 April 2026.
What the daily figures show
The ministry records three intervention days: ¥7,975.6 billion on 30 July, ¥5,552.3 billion on 31 July and ¥1,871.4 billion on 3 August. The total was ¥15,399.3 billion. Aggregate figures had already established the overall scale; the daily breakdown shows that around 52% of the total came on the first day.
Japan’s then finance minister, Satsuki Katayama, had confirmed that the 31 July operation was coordinated with the US Treasury. Today’s release records the Japanese side’s transactions. The purchases supported demand for the yen, and the new figures show the scale of that earlier intervention. They do not announce a new trade or an interest-rate change.
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