Trump Administration Joins Japan in First Yen Intervention Since 1998 as Dollar-Yen Nears 164
Updated
Updated · Council on Foreign Relations · Aug 5
Trump Administration Joins Japan in First Yen Intervention Since 1998 as Dollar-Yen Nears 164
3 articles · Updated · Council on Foreign Relations · Aug 5
Summary
Dollar-yen fell below 158 on Aug. 4 after Washington joined Tokyo in coordinated yen buying, the first such joint intervention since 1998.
Nearly 164 yen per dollar in late July had exposed the failure of Japan’s earlier solo interventions and raised fears that yen weakness could spill back into the U.S. through Treasury-market stress and slower growth.
Scott Bessent signaled the U.S. move was designed to avoid forcing Japan to sell dollar assets, with Washington reportedly selling euros rather than dollars and considering wider use of the Fed’s foreign repo facility.
More than $1.1 trillion in Japanese Treasury holdings and a pledged $550 billion of Japanese investment in the U.S. have made yen volatility a direct U.S. concern, not just an ally-support operation.
The pressure reflects two drivers of dollar strength—AI-linked capital inflows and higher U.S. rate expectations—suggesting further joint intervention remains possible if Japan cannot stabilize the yen alone.
Will Tokyo's massive dollar-buying spree trigger a shockwave in US Treasury yields despite their secret repo strategy?
Can Japan truly rescue the sinking yen without collapsing its own fragile, debt-heavy domestic economy?
The July 2026 USD/JPY Joint Intervention: Anatomy, Triggers, and Global Fallout from a 39-Year Yen Low
Overview
In July 2026, the Japanese yen plunged to a nearly 40-year low due to a stark policy gap between Japan’s ultra-loose monetary stance and the U.S. Federal Reserve’s higher rates. This fueled massive yen carry trades and relentless selling pressure. As energy costs soared from Middle East turmoil and Japan’s aggressive fiscal expansion shook market confidence, fears grew that Japan might sell U.S. Treasuries to defend its currency. In response, the U.S. broke tradition and joined Japan in a surprise joint intervention, triggering a sharp yen rally. However, without closing the interest rate gap, these interventions offer only temporary relief.