US Treasury Secretary Bessent says recent yen moves are contained, not disorderly

Treasury Secretary Scott Bessent wants everyone to know the yen situation is under control. Speaking from Asheville, North Carolina on August 30, Bessent described recent yen fluctuations as “pretty well contained” and explicitly pushed back on characterizations of the moves as disorderly.

The dollar was trading near 160.15 yen shortly after his remarks, a level that just days earlier, on August 28, had briefly dipped below the psychologically important 160 threshold.

A month after historic intervention

Bessent’s measured tone is notable given what happened barely a month ago. On July 31, the US and Japan executed a joint currency intervention to prop up the yen, marking the first time Washington had stepped in to support the Japanese currency in almost three decades.

The US deployed an estimated $5 to $10 billion equivalent as part of that effort. Japan’s side of the ledger was considerably heavier: the Ministry of Finance reportedly expended a record $96.4 billion to stabilize the yen through late August.

Before the intervention, the yen had been wallowing near a 40-year low around 164 per dollar. The coordinated action managed to push it back to roughly 155, buying Japan some breathing room.

The Ueda factor

Bessent also offered a pointed, if diplomatic, endorsement of Bank of Japan Governor Kazuo Ueda. He described Ueda as a “market-savvy” central banker, a compliment that carried implicit confidence in the BOJ’s ability to manage the situation without heavy-handed outside pressure.

What Bessent didn’t do was tell Japan how to run its monetary policy. He stopped short of recommending specific strategies like consecutive interest rate hikes, a tool some analysts have argued the BOJ needs to deploy more aggressively to close the interest rate gap with the US.

Bessent did signal that he anticipates a transition away from the Abenomics reflationary approach that defined Japanese economic policy for over a decade, viewing Ueda as the person to steer that transition.

Why yen stability matters beyond Tokyo

Bessent’s remarks weren’t just about being polite to an ally. He explicitly connected currency stability to broader Asian economic conditions and, critically, to US borrowing dynamics.

Japan remains one of the largest foreign holders of US Treasuries. A disorderly yen decline creates pressure on Japanese institutions to sell dollar-denominated assets, including Treasuries, to defend their domestic currency positions.

The $96.4 billion Japan has spent defending its currency also represents a significant drawdown of foreign exchange reserves. For broader Asian markets, a weakening yen creates competitive pressures on neighboring exporters, with concerns about spillover effects on currencies including the South Korean won and Chinese yuan.

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