The Ministry of Finance announced that the yen-buying, dollar-selling foreign-exchange intervention conducted by the government and the Bank of Japan on 30 July amounted to ¥7.9756 trillion. This was the largest amount ever recorded on a single day, and the yen strengthened sharply from the ¥163 range to the ¥157 range in one day after the intervention.
According to the Ministry of Finance, the foreign-exchange intervention conducted on 30 July involved buying yen and selling dollars in the amount of ¥7.9756 trillion, exceeding the previous record to become the largest intervention ever. After the intervention, the yen strengthened by about ¥6 against the dollar, moving from the ¥163 range to the ¥157 range.
Following the intervention, coordinated yen-buying, dollar-selling interventions of ¥5.5523 trillion were conducted on 31 July and a further ¥1.8714 trillion on 3 August, bringing the total intervention from July through September to ¥15.3993 trillion.
The intervention contributed to a temporary gain of more than 2,000 points in the Nikkei 225, while buying back shares, particularly semiconductor-related stocks, spread across the market.
The Ministry of Finance also announced that the total amount of foreign-exchange intervention was a record ¥15.3993 trillion, accumulated over approximately one month from the end of the previous month.