Japan intervenes July 30 as BoJ holds rate at 1%

The Japanese yen briefly strengthened on July 30 after the country's Ministry of Finance intervened in currency markets to support the beleaguered currency, but the gains proved fleeting as the Bank of Japan held its key interest rate steady the following day. The moves underscore the limited power of direct intervention to reverse a long-term trend without a shift in monetary policy.

Japan's finance ministry confirmed it conducted yen-buying, dollar-selling intervention in New York markets on July 30. The action sent the dollar sharply lower against the yen, but the pair recovered most of its losses later in the day. This pattern has repeated several times over the past two years, with large-scale operations in 2024 and another confirmed move this week, each providing only temporary support.

The intervention came ahead of the Bank of Japan's own policy decision. On July 31, concluding a two-day meeting, the central bank kept its short-term policy rate at 1.0%, a move widely anticipated by markets. The bank maintained a tightening bias, however, and for the first time warned that underlying inflation could rise above its target. It pointed to strong global AI-related demand as a...