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US, Japan Act Jointly to Curb Yen Volatility

United States

Kim Kyung-Hoon/Reuters

Kim Kyung-Hoon/Reuters

What Happened

Japan’s Finance Ministry and the U.S. Treasury confirmed a rare, coordinated yen-buying intervention to curb excessive volatility. After the announcement the dollar fell about 1% to roughly 156.34 yen; officials said they would not hesitate to act again, and BOJ data indicate Tokyo may have spent $59bn earlier.

What Happened

Japan’s Finance Ministry and the U.S. Treasury confirmed a rare, coordinated yen-buying intervention to curb excessive volatility. After the announcement the dollar fell about 1% to roughly 156.34 yen; officials said they would not hesitate to act again, and BOJ data indicate Tokyo may have spent $59bn earlier.

Where Sources Agree

  • arrows_inputJoint Currency Intervention: Reports consistently note that the U.S. and Japan conducted a joint yen-buying intervention on Friday to counter excessive market volatility, with both the U.S. Treasury Department and Japan’s Finance Ministry confirming the rare, coordinated action.
  • arrows_inputCurrency Intervention Impact: Predominant reporting shows the dollar weakened sharply to 156.34 yen following joint US-Japan intervention; the currency had previously traded above 163 yen, according to New York market data.

Where Sources Disagree

  • arrows_outputYen Exchange Rate Discrepancies: Some sources report the dollar fell to 157.07 yen before rising to 157.70 yen following the intervention announcement. In contrast, other outlets report the dollar dropped to 156.34 yen early Monday.
  • arrows_outputPrevious Joint Action Timeline: Some sources identify 2011 as the previous joint action. In contrast, other reports suggest the move followed a joint statement issued last year.

Timeline

August 3, 2026

Policy intent and readiness: Officials said the intervention aimed to counter excessive volatility and disorderly yen movements in recent months and that monetary authorities would not hesitate to act further if necessary.

August 3, 2026

Monday confirmations and market reaction: On Monday Finance Minister Satsuki Katayama officially confirmed the coordinated yen purchases with the U.S., and the dollar weakened sharply—dropping about 1% to roughly 156.34 yen after the announcement.

August 2, 2026

Sunday officials reiterate stance: On Sunday Treasury Secretary Scott Bessent posted that the action 'countered disorderly yen movements' and said the U.S. remains ready to participate in further joint intervention, while reporting noted the story on Aug. 2, 2026.

Summaries by Ground AI

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