Japan FX Chief Mimura on High Alert Over Yen Moves

Japan top currency diplomat Atsushi Mimura stated that authorities remain on high alert regarding recent developments in the foreign exchange market. He declined to comment on potential market interventions or specific currency levels.

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Japan's Vice Finance Minister for International Affairs and top currency diplomat Atsushi Mimura speaks to the media about the U.S.-Japan joint forex action, at the Finance Ministry in Tokyo, Japan, August 3, 2026. REUTERS/Issei Kato

Japan's top currency diplomat Atsushi Mimura said on Thursday morning that he remained on alert over currency market developments, warning that he was not comfortable with recent moves in the USD/JPY. The currency extended gains following a sharp move higher, driven by rising rate hike expectations.