The end of structural yen devaluation

Conviction: 72% · Horizon: 2Y · 2026-07-13
Japan MoF UST sales reprice yen weakness while strengthening domestic banks

Selling long-duration U.S. Treasuries is not a simple FX intervention. It pushes duration risk into a market already reliant on leveraged hedge funds and potential Federal Reserve backstops. The associated dollar liquidity reduces Japanese banks' need for expensive FX swaps, lifting profitability and funding flexibility. Together these forces erode the structural case for a persistently weaker yen.

Instrument Side Target Reason
FXY Long We believe reduced reliance on yen weakness for funding Japanese banks, combined with MoF-driven dollar liquidity and duration risk shifting toward U.S. fixed income, supports a firmer yen over the medium term versus the U.S. dollar.

Themes

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