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Home  /  Forex  /  Yen Hits 3-Week Low at 148.9 as BoJ…
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Yen Hits 3-Week Low at 148.9 as BoJ Uncertainty Meets Stronger U.S. Dollar

Yen hits 3-week low at 148.9 as BoJ policy doubts persist; U.S.

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Arslan Ali Butt
Editor at AAFX.IO
Aug 22, 2025
Updated Aug 22, 2025
Yen Hits 3-Week Low at 148.9 as BoJ Uncertainty Meets Stronger U.S. Dollar

The Japanese yen fell to a three-week low against the U.S. dollar during Friday’s Asian trading session, pressured by uncertainty over the Bank of Japan’s next rate move and a stronger greenback. At 148.9, the yen broke out of its recent trading range, extending two straight days of losses.

Investors remain cautious about the timing of the BoJ’s next rate hike, even as inflation shows signs of persistence. The central bank faces pressure to continue policy normalization, but unclear signals have left traders reluctant to back the yen. By contrast, dollar strength—supported by tempered expectations of aggressive Fed easing—has tilted the USD/JPY pair higher.

From a technical standpoint, the break above 148.0 opened the door for gains toward the 200-day Simple Moving Average, currently just over 149.0. Analysts warn that a push past 150.0 could test the resolve of Japanese policymakers, who have historically intervened near such levels.

Inflation Data Leaves Questions

Fresh data offered mixed signals. Japan’s Statistics Bureau reported Friday that the national Consumer Price Index rose 3.1% year-over-year in July, unchanged from June. Core inflation, which excludes fresh food, slowed to 3.1%—its lowest level since November 2024 but still above forecasts of 3%. Meanwhile, the “core-core” measure, excluding both food and energy, accelerated to 3.4%, highlighting persistent underlying pressures.

Despite these numbers, uncertainty lingers over when the BoJ might raise rates again. Wage growth remains a potential driver of demand-led inflation, but policymakers have yet to commit to a timeline.

Key points influencing yen sentiment include:

  • Headline CPI: Held steady at 3.1% in July.
  • Core CPI: Softened to 3.1%, lowest since late 2024.
  • Core-Core CPI: Rose to 3.4%, signaling sticky inflation.

Fed Policy Adds Pressure

Across the Pacific, U.S. economic data has fueled speculation of rate cuts later this year. Initial jobless claims rose by the most in three months, while continuing claims climbed to a four-year high. The Philly Fed Manufacturing Index also slipped sharply to -0.3 in August, down from 15.9 in July, raising concerns about slowing growth.

USD/JPY Price Chart - Source: Tradingview
USD/JPY Price Chart – Source: Tradingview

Markets now assign higher odds of two Fed cuts before year-end, with the first expected in September. However, the dollar has continued to find support as traders await clarity from Powell’s speech at the Jackson Hole Symposium. His remarks could offer fresh cues on the rate outlook and shape near-term moves in the USD/JPY pair.

For now, the yen remains under pressure, with technical and fundamental forces aligned in favor of the dollar.

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Arslan Ali Butt
Arslan Ali Butt is a financial markets analyst, trader, and founder of AAFX.io, with over a decade of experience covering forex, cryptocurrencies, stocks, commodities, and global macroeconomic trends. Since 2014, he has been delivering data-driven market analysis, price forecasts, and educational content for traders and investors worldwide.His expertise combines technical analysis, macroeconomic research, market sentiment, and risk management to identify high-probability trading opportunities and explain the forces driving financial markets. Prior to founding AAFX.io, Arslan gained hands-on experience in institutional trading and risk management, giving him a practical perspective on market behaviour.Arslan's research has been featured on leading financial publications, including FXEmpire, FXLeaders, FXStreet, Cryptonews, KuCoin Learn, InsideBitcoins, Business2Community, ForexCrunch, and EconomyWatch. He has also hosted live market webinars and educational sessions for international brokerage firms.Through AAFX.io, Arslan's mission is to provide independent, transparent, and actionable market insights that help traders make more informed decisions with confidence.
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