Japan's three largest banks—MUFG, Sumitomo Mitsui, and Mizuho—have collectively boosted their foreign currency liquidity buffers to $1.25 trillion as of August 9, 2026. This move is seen as a precautionary measure to prepare for sudden demand for U.S. dollars amid escalating tensions related to the conflict in Iran. The increased liquidity is intended to ensure stability and readiness in the face of potential market disruptions.

The banks' actions reflect broader concerns in East Asia about geopolitical risks affecting financial markets. The bolstered reserves position these institutions to better manage foreign currency needs in uncertain times.

Source: Nikkei Asia

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