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Yen Firms After Tokyo Signals It Has a Free Hand to Intervene

Fresh warnings of potential FX action capped losses for a currency still pressured by cautious BOJ guidance.

A Japanese flag flutters atop the Bank of Japan headquarters in Tokyo, Japan  December19, 2025. REUTERS/Manami Yamada
A Japan Yen note is seen in this illustration photo taken June 1, 2017. REUTERS/Thomas White/Illustration
Banknotes of Japanese yen are seen in this illustration picture taken September 22, 2022. REUTERS/Florence Lo/Illustration
Yen and U.S. dollar banknotes are seen in this illustration taken March 19, 2025. REUTERS/Dado Ruvic/Illustration

Overview

  • The finance minister said Japan has a “free hand” to counter excessive yen moves, reinforcing remarks by top currency diplomat Atsushi Mimura about taking appropriate action against one-sided swings.
  • USD/JPY retreated from recent highs to trade around the mid‑156s after the comments, paring losses that followed last week’s well-telegraphed BOJ rate hike.
  • The Bank of Japan raised its policy rate to 0.75%, a three‑decade high, but Governor Kazuo Ueda’s data‑dependent stance left markets uncertain about the pace of further tightening.
  • Japanese government bond yields climbed to multi‑decade highs, with the 10‑year topping roughly 2.1%, reflecting fiscal concerns and heavier expected bond issuance.
  • Traders remain watchful for potential intervention if volatility worsens, recalling prior operations near the ¥160 per dollar area, even as analysts expect only gradual BOJ hikes from here.