US Treasury yen acquisition announcement weighs on US dollar to Japanese yen exchange rate after support test

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US Dollar vs Yen slides 0.65% today

Highlights

U.S. Treasury authorities executed their first yen purchase in three decades, directly intervening in currency markets to affect dollar-yen liquidity.
U.S. Treasury buyback volumes tripled to $6 billion targeting 10-to-20-year securities, potentially influencing cross-border flows and USD/JPY dynamics.
USD/JPY trades below major moving averages, with indicators showing seller control and an expected range of ¥152.72 to ¥154.26 for the next session.

Yen intervention and buyback plans shift US-Japan liquidity dynamics

U.S. Treasury Secretary Scott Bessent announced that U.S. authorities carried out their first acquisition of Japanese yen in thirty years, a rare direct intervention in currency markets, according to Economictimes Indiatimes. This action, together with plans to expand U.S. Treasury buybacks, signals a shift in strategy that alters the liquidity mix for both currencies and has potential to influence demand dynamics. Fxstreet further noted that the latest U.S. Treasury auction saw buyback volumes triple to $6 billion, targeting 10-to-20-year securities and potentially drawing additional cross-border capital flows that could affect the USD/JPY pairing.

Seller exhaustion signals as oversold readings meet neutral momentum

On the technical front, USD/JPY trades below both the MA-20 and MA-50 on the hourly chart, and remains under the MA-200 on the daily chart. The Ichimoku Kijun at ¥153.97 is now the immediate resistance barrier, while notable levels include support at ¥152.72 and resistance at ¥154.26. MACD and ADX both indicate neutral momentum, with neither a bullish nor bearish bias developing. Meanwhile, RSI, Stoch RSI, CCI, and Bull/Bear Power display oversold conditions, highlighting stronger seller dominance and suggesting the downside may be nearing exhaustion. The Awesome Oscillator remains neutral and today’s low volatility session, with a close near the daily low, reflects a cautious trading tone.

Downward risk prevails as price faces narrow consolidation band

Looking ahead, the next trading day could see USD/JPY fluctuating between ¥152.72 and ¥154.26, a typical volatility band relative to current levels. A sideways consolidation scenario within this range is the baseline expectation. There is a 74% probability of a downward move, while an upside scenario remains less likely at 26%. A break above ¥153.97 would open room to test the upper boundary, whereas a drop below ¥152.72 could trigger further selling pressure.

Viktoras Karapetjanc, Traders Union expert, sees significant macro drivers impacting USD/JPY this week. He believes direct U.S. Treasury action in the yen market marks an important shift in liquidity and demand for both currencies. The technical picture remains neutral with oversold signals suggesting sellers may be losing momentum. Karapetjanc expects consolidation within ¥152.72–¥154.26 in the near term. "If support at ¥152.72 holds, the probability of a technical rebound grows, especially as fundamental flows start to stabilize risk sentiment."

Earlier, analysts noted that USD/JPY remained under sustained bearish pressure due to ongoing repatriation flows and yen carry trade unwinding following Japan's rate hike. The current article adds a significant new dimension with the rare U.S. intervention in yen markets, suggesting that traders should closely monitor official policy actions as potential catalysts for volatility beyond the established technical range.

Source of Data: USD Price Analysis by TU

The analysis is based on a proprietary model combining technical, on-chain, and expert data. Not investment advice. See methodology

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