The Japanese Yen strengthened significantly, rising to 156.00 per dollar, marking its strongest level since May and exceeding the peak observed during previous intervention-driven rallies. This move is largely attributed to increased market expectations of a rate hike by the Bank of Japan (BOJ) at its upcoming September 18 meeting, with some analysts now pricing in a near 97% probability of a 25 basis point increase.
Adding to the yen's strength, there is growing speculation about potential further currency intervention by Japanese authorities. The Japanese Ministry of Finance confirmed spending a record 15.4 trillion yen ($98 billion) between July 30 and August 26 to support the currency. Reports indicate that Japan likely financed this intervention by selling a portion of its foreign securities, including U.S. Treasuries, with its holdings of foreign securities declining by $87.8 billion at the end of August. Finance Minister Satsuki Katayama also suggested the use of the Foreign and International Monetary Authorities Repo Facility for future interventions, allowing access to up to $60 billion per day without selling Treasuries.
While the yen's appreciation is primarily driven by BOJ rate hike expectations and intervention jitters, the U.S. dollar's subdued performance also plays a role. USD bulls are reportedly hesitant ahead of upcoming U.S. inflation figures (Producer Price Index and Consumer Price Index), which will provide crucial cues for the Federal Reserve's rate decisions. The strong U.S. Nonfarm Payrolls report had increased the chances of a Fed rate hike, but traders are awaiting more data.
Analysts, such as Takuji Okubo from Japan Macro Advisors, suggest that while intervention cannot be ruled out, the recent sharp moves are more likely a reaction to hawkish comments from BOJ policymakers, including Governor Kazuo Ueda and board member Hajime Takata. Takata notably advocated for nimble rate hikes in response to rising inflation. ING's Chris Turner, however, highlighted that sustained yen strength would likely require a more hawkish BOJ and new initiatives to encourage domestic investment in Japan.
The yen's sharp weekly rally, which saw USD/JPY fall from near 160 to under 156, also reflects a significant repricing of the BOJ's intentions. Markets are now assigning approximately a 25% probability of a second, back-to-back rate hike as soon as October, which would represent a genuine departure from the BOJ's historical six-month cadence between policy adjustments. This potential faster tightening path also has implications for yen crosses, such as AUD/JPY.