Japan's ¥8.45T Yen: Biggest Single-Day Intervention
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- Bank of Japan data suggests Japan spent roughly ¥8.45 trillion ($52.8 billion) intervening in currency markets on Thursday to support the yen, per Bloomberg analysis of central bank accounts.
- The ¥8.45 trillion estimate was derived by comparing BOJ accounts released Friday against money brokers' forecasts of the intervention scale.
- At approximately $53 billion, the operation would likely rank as the largest single-day currency intervention ever conducted by Tokyo.
- The action is part of Japan's ongoing campaign to stem the yen's persistent decline.
Why it matters: At ~$53 billion in a single day, this would mark Tokyo's largest-ever currency intervention, showing how aggressively authorities are defending the yen. The actual size only became visible after BOJ released its accounts the following day, leaving market participants without real-time insight into the operation's scale.

