# currency intervention  

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Whether coordinated U.S.-Japan intervention in the yen can produce lasting results remains deeply in doubt. (Photo / Pexels)

Washington and Tokyo Are Losing the Battle to Save the Yen

Japan spent ¥11 trillion intervening in currency markets, only to see the effects evaporate — exposing the depth of the country's structural economic problems. (Photo / Pexels)

Japan Spent ¥11 Trillion Defending the Yen. It Didn't Work.

On January 5, 2026, Japan's Finance Minister Katayama Satsuki rings the opening bell at the Tokyo Stock Exchange opening ceremony. (File photo, AP)

Yen Breaches 160 Mark, Japan Warns of Currency Intervention

Japanese Prime Minister Sanae Takaichi. (AP)

Opinion | Three Japanese Policymakers Are Boxed In At The ¥160 Line

As conflicts rage across the globe, the battlefield has extended beyond weapons and into financial markets. (Photo / The Wall Street Journal)

Opinion | Financial Warfare: Why Japan Might Short The Global Oil Market