The Japanese Yen (JPY) has experienced a sharp rebound, gaining as much as 1.2% against the US Dollar (USD) and briefly touching 156.34 per dollar, its strongest level in a month. This move has revived speculation about potential currency intervention, following Japan's record spending of 15.4 trillion yen ($98 billion) between July 30 and August 26, and a coordinated yen-buying effort with the US in late July. US Treasury Secretary Scott Bessent had previously indicated that he expected Japanese authorities to act to strengthen the yen.
However, market watchers suggest the recent surge is more likely tied to increased expectations of a Bank of Japan (BOJ) rate hike this month, following hawkish comments from policymakers. Traders are now fully pricing in a 25 basis point rate hike at the BOJ's September 17-18 meeting, with a possibility of a follow-up move in December. BOJ board member Hajime Takata stated that the central bank should raise rates "nimbly" in response to rising inflation, and Governor Kazuo Ueda kept the door open for higher rates.
The USD/JPY pair is trading below the 156.00 mark, struggling to capitalize on recent gains. Escalating US-Iran tensions and the widening confrontation in the Strait of Hormuz are providing some tailwind for the safe-haven Greenback, which might limit the downside for the USD/JPY pair. The yen's value is influenced by BOJ policy, the differential between Japanese and US bond yields, and overall risk sentiment. The pair holds a bearish near-term bias below the 200-day Simple Moving Average at 158.46.
Experts like Takuji Okubo, chief economist at Japan Macro Advisors, believe the current move is likely a reaction to BOJ Governor Ueda's comments rather than a stealth intervention. Similarly, Chris Turner, ING's global head of markets, expressed doubt about intervention due to a lack of dislocation in FX electronic matching systems. However, officials in both Washington and Tokyo remain concerned that prolonged yen weakness could lead to Japanese investors reducing their substantial holdings of US Treasurys, currently around $1.1 trillion.