Ella 
The Japanese yen plunged to a 38-year low against the US dollar on July 8, 2025, as the stark divergence in monetary policies between the Bank of Japan (BOJ) and the Federal Reserve continued to weigh heavily on the currency. The yen weakened to 168.95 per dollar in early Tokyo trading, its lowest level since 1987, before stabilizing slightly around 168.50 later in the day. Analysts attribute the sustained depreciation to the BOJ’s cautious approach to further interest rate hikes, even as the Federal Reserve maintains a restrictive stance to combat persistent inflation in the United States.
The BOJ has been one of the last major central banks to exit ultra-loose monetary policies, having only raised rates from negative territory earlier in 2025. Despite this move, the pace of tightening has been far slower than that of other central banks, keeping Japanese yields at historically low levels. In contrast, the Fed has signaled that it may keep interest rates elevated well into 2026, with markets pricing in only one potential rate cut by the end of 2025. This widening interest rate gap has fueled relentless demand for the US dollar, exacerbating the yen’s decline.
Japanese policymakers have expressed growing concern over the yen’s rapid depreciation, which has inflated import costs and squeezed household budgets. Finance Minister Shunichi Suzuki reiterated that the government is closely monitoring currency movements and stands ready to intervene if necessary. However, market participants remain skeptical about the effectiveness of unilateral intervention, especially given the overwhelming macroeconomic forces driving the dollar’s strength. The last time Japan intervened to support the yen was in late 2024, but the impact was short-lived as fundamentals quickly reasserted themselves.
The weak yen has had mixed effects on Japan’s economy. Exporters, particularly in the automotive and electronics sectors, have benefited from increased competitiveness abroad, with companies like Toyota and Sony reporting robust overseas earnings. However, small and medium-sized enterprises reliant on imported raw materials have faced severe margin pressures. Energy costs remain a critical concern, as Japan imports nearly all of its oil and gas, and higher global commodity prices have translated into elevated utility bills for consumers.
Economists are divided on whether the BOJ should accelerate its policy normalization to stem the yen’s decline. Some argue that faster rate hikes could help stabilize the currency, while others caution that premature tightening could derail Japan’s fragile economic recovery. Inflation in Japan has moderated slightly but remains above the BOJ’s 2% target, driven largely by cost-push factors rather than strong domestic demand. With wage growth still sluggish, households remain under pressure, complicating the central bank’s policy calculus.
Looking ahead, the yen’s trajectory will likely hinge on global macroeconomic developments, particularly the Fed’s policy path and geopolitical risks. If US economic data continues to show resilience, the dollar may extend its gains, pushing the yen even lower. Conversely, any signs of a slowdown in the US or a shift in Fed rhetoric could provide relief for the beleaguered currency. For now, traders remain bearish on the yen, with speculative short positions near historic highs. Unless the BOJ takes more aggressive action or global dynamics shift unexpectedly, the yen’s downtrend may persist in the near term.
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