Bank of Japan Holds Rate at 1%, Signals September Move After Yen Intervention

Q: With a historic US-Japan currency intervention underway, is the yen's dramatic crash finally over or merely pausing?

The yen’s crash is more likely pausing than definitively over. The intervention matters because it was unusually powerful: Japan stepped in with apparent U.S. backing, the first such coordinated support for the yen in more than two decades, and the currency rebounded sharply from around 163 per dollar into the high-150s. That sends a strong signal that Tokyo is uncomfortable with further rapid depreciation, with many analysts seeing an unofficial “danger zone” around 162–165. But intervention alone rarely changes a currency trend for long. The main driver of yen weakness remains the large U.S.-Japan rate gap. Even after June’s BOJ hike to 1%, Japanese rates are still low relative to the United States, and several analysts say FX buying can only buy time unless it is backed by more BOJ tightening. Treasury Secretary Scott Bessent made the same point: intervention can calm volatility, but policy is what ultimately turns the currency. That is why the BOJ’s message matters more than the hold itself. While the bank kept rates unchanged in an 8-1 vote, it upgraded its economic view, warned inflation could run clearly above 2% later, and signaled it will continue raising rates gradually. Governor Kazuo Ueda’s remarks kept September in play for another hike. So the yen may have found a temporary floor if authorities keep defending it and the BOJ tightens again soon. Without that follow-through, markets are likely to test the yen again, especially if U.S. yields stay high.

3 articles · Updated · Bloomberg · Aug 5

The BOJ left its benchmark policy rate unchanged at 1% on Friday, while signaling a possible move in September after officials intervened in the currency market hours earlier.
All economists surveyed had expected the hold, coming just a month after the central bank raised rates to their highest level since 1995.
Only 1 of the BOJ’s 9 board members—Hajime Takata—backed a back-to-back increase, which would have marked the first such move in decades.
The bank also upgraded its view on the economy, reinforcing expectations that the next policy step could come as soon as September.