The short version
- The yen strengthened to its highest level in three months following a coordinated currency intervention by the United States and Japan.
- US Treasury Secretary Scott Bessent confirmed plans to purchase billions of dollars worth of yen, aiming to stabilize markets and potentially protect US borrowing costs.
- Analysts remain divided on whether this move will reverse the yen's long-term weakness or merely provide temporary relief for Japanese policymakers.
The Japanese yen reached its strongest position in three months on Monday, climbing to ¥155 against the US dollar. This rebound followed confirmation from both Tokyo and Washington that they had executed a rare joint currency intervention late last week. The coordinated effort marks the first time the two nations have collaborated on such a measure since March 2011, when they acted to weaken the yen following the Tohoku earthquake and tsunami.
The intervention was triggered by the yen’s deterioration to a forty-year low of nearly ¥164 earlier in the week. US President Donald Trump acknowledged the operation on Sunday, stating that Japan requested assistance due to the weakening currency and that the United States is prepared to support its ally. Treasury Secretary Scott Bessent reinforced this stance, warning that Washington would not hesitate to participate in further joint actions if necessary.
Internal documents from a recent cabinet meeting revealed Bessent’s specific instructions to purchase between $5 billion and $10 billion worth of yen. This move appears designed to stabilize the currency without forcing Japan to sell large quantities of US government bonds. Economists suggest that by helping prop up the yen, the US administration may be aiming to prevent a surge in interest rates on American debt, which could occur if Japan liquidated its treasury holdings to fund independent buying efforts.
The yen’s decline has been driven by several factors, including low borrowing costs in Japan compared to other advanced economies and investor concerns over Prime Minister Sanae Takaichi’s economic policies. Her administration faces pressure to address inflation fueled by expensive energy imports and high public debt levels. While the intervention provides immediate support, some analysts argue it may not reverse the broader trend of yen weakness, noting that the Bank of Japan is likely to wait until December before raising interest rates further.
Market participants view the intervention as a signal to discourage speculative short positions against the yen. However, uncertainty remains regarding the long-term impact on global markets. The US action mirrors previous interventions in countries like Argentina, where Washington sought to support allied reform agendas. In Japan’s case, the move underscores the complex interplay between domestic economic challenges and international financial stability.
Sources behind this briefing
Go to the original reporting
- The Guardian US↗Yen hits three-month high after Trump helps prop up currency
- The Guardian US Politics↗Why has Trump stepped in to prop up Japan’s currency?
