During Monday's Asian session, the US dollar traded higher against the Japanese yen, hovering around 158.25, a gain of approximately 0.3%. The currency pair regained upward momentum after a slight decline the previous day. The summary of the Bank of Japan's July meeting revealed clear divisions within the committee regarding the future path of interest rate hikes, while a sharp narrowing of the June current account surplus weakened the yen's fundamental support. Additionally, escalating US-Iran tensions provided a safe-haven bid for the US dollar, pushing the USD/JPY pair higher.
Internal Divisions at the BOJ Cloud Rate Hike Outlook
The summary of opinions from the Bank of Japan's July 30-31 monetary policy meeting showed significant divergence within the committee on the next policy direction. Some members advocated holding rates steady to more fully assess the lagged impact of previous rate hikes on the economy. In contrast, other members argued that upside risks to inflation were intensifying, warranting a maintenance or even acceleration of the current tightening cycle. While members generally acknowledged that Middle East tensions are a drag on economic activity, they also noted that strong demand related to artificial intelligence and a moderate domestic economic recovery provide a counterbalance. This internal disagreement has reduced the visibility of the BOJ's future rate hike path, keeping the yen under pressure in the absence of clear policy guidance.
Sharp Decline in Current Account Surplus Weakens Fundamental Support
Data released by Japan's Ministry of Finance showed that the current account surplus for June 2026 fell to 923 billion yen, a significant drop from 1.28 trillion yen in the same period last year and well below the market expectation of 1.51 trillion yen. Although robust exports of AI-related electronics provided some buffer for the trade balance, a surge in imports driven by a substantial increase in crude oil purchases ultimately weighed on the overall surplus. The narrowing of the current account surplus has eroded a key source of fundamental support for the yen, representing a significant factor behind its recent weakness.
Escalating US-Iran Tensions Drive Safe-Haven Demand for Dollar
Another key driver for the USD/JPY's rise came from a rebound in the US dollar. The escalating conflict between the US and Iran has entered a critical diplomatic phase, with intense military confrontation and strategic pressure around the Strait of Hormuz keeping markets on high alert. Although Iranian officials stated on Sunday that Oman-brokered negotiations over the strait's management are making progress, safe-haven demand for the US dollar remains robust. The persistence of geopolitical risk premiums provides broad support for the dollar, pushing the USD/JPY pair higher.
Fed Policy Expectations: Rate Hike Risk Persists, Inflation Data is Key
TD Securities noted that the risk of another Federal Reserve rate hike remains "lingering," but upcoming inflation data could be a key turning point for interest rate expectations. The firm forecasts core CPI and headline CPI month-on-month increases of 0.20% and 0.15%, respectively, for next week, a reading that "would likely push the market further to price out rate hike expectations." TD Securities added that since "most of the recent increase in rates has been driven by Fed expectations," "if rate hike expectations are priced out, rates could follow lower." Meanwhile, Fed official Musalem made slightly hawkish remarks. He emphasized that while current inflation expectations are described as stable and aligned with the 2% target, there is a risk of de-anchoring. Musalem favors a gradual approach to rate hikes, estimating core inflation could be between 2.5% and 3%, and signaled a willingness to surprise the market if necessary. These stances reinforce a bias towards tighter policy and "higher for longer" rates. He also asserted that the dollar's reserve currency status is not under threat, stating that the US remains the fastest-growing, most innovative economy with strong rule of law, providing structural support for the dollar.
Summary
The yen is currently caught between domestic policy uncertainty and overseas safe-haven demand. Internally, the Bank of Japan is clearly divided on the future path of rate hikes, reducing policy visibility. Simultaneously, the sharp narrowing of the June current account surplus has weakened the yen's fundamental support. Externally, the escalating US-Iran conflict is bolstering safe-haven demand for the US dollar, while hawkish comments from Fed officials and the market's anticipation of inflation data suggest further upside potential for the USD/JPY pair. In the short term, with USD/JPY trading above the 158.00 level, US inflation data exceeding expectations could further solidify Fed rate hike expectations, potentially pushing the pair towards 159.00 or higher. Conversely, weak inflation data could trigger a dollar pullback, offering some respite for the yen. Any new developments on the geopolitical front also warrant close attention.
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