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Financial Times
How big was the American JPY intervention?
Recent interventions by US and Japanese authorities have aimed to prop up the yen amidst fluctuating currency values. While Japanese authorities are estimated to have purchased around ¥8.45 trillion (approximately $52.8 billion), the exact details of US involvement remain uncertain. The US Treasury's upcoming financial statement on August 30 is anticipated to provide clarity on the scale of US transactions, which analysts suggest could be significantly lower than Japan's intervention amounts.
MonitorConfidence: MediumShort term horizon
Published 4 Aug 2026, 02:40 UTC2 min read
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Summary
TL;DR
- Coordinated intervention by US and Japan to stabilize the yen.
- Japan reportedly spent about $52.8 billion on currency support.
- US involvement remains uncertain but could be less than Japan's amount.
- US Treasury to provide detailed financial statements by August 30.
- Potential use of currency forwards by US authorities may alter perceived trade size.
Interesting facts
- The US Treasury's Exchange Stabilization Fund and the Fed’s System Open Market Account each hold $19.1 billion of FX assets.
- Analysts suggest the US may have opted for currency forwards rather than direct purchases.