Here's Context for Assessing Yen Moves: 3-Minute MLIV

Watch on YouTube ↗  |  January 23, 2026 at 08:22  |  3:26  |  Bloomberg Markets
Speakers
Mark Cudmore — Executive Editor, Bloomberg Live / Macro Strategist

Summary

Mark Cudmore assessed a sudden yen-strengthening move, saying it looked most likely like a MOF rate check or an intervention signal. He argued that if it is genuine intervention, officials could drive USD/JPY several yen lower and trigger stop-losses among short-yen positions, creating tactical yen strength that could last for months. Cudmore remained a long-term perma bear on the yen and also highlighted a broader dollar-weakness backdrop, with investors diversifying away from the dollar and momentum traders adding to the move.

  • Yen strengthened suddenly, prompting discussion of a possible MOF rate check or intervention.
  • Cudmore said genuine intervention could see follow-through and drive USD/JPY lower.
  • He flagged stop-loss risk among leveraged short-yen positions as a potential accelerant.
  • He sees tactical yen strength possible for months but remains structurally bearish on the yen long term.
  • He described a broad dollar-weakness backdrop as investors diversify away from the dollar.
  • The Bank of Japan press conference and unusual intervention timing added uncertainty to the move.
Ideas
Mark Cudmore Executive Editor, Bloomberg Live / Macro Strategist 0:44
Tactical yen strength may last months.
A sudden yen-strengthening move looks most likely like a MOF rate check or intervention signal. If it is genuine intervention, officials are unlikely to stop at the first dip; they could drive USD/JPY several yen lower and trigger stop-losses among leveraged short-yen positions. With broad dollar weakness already in place and the BOJ potentially on board, this could turn the yen trend stronger for potentially months, making a tactical long-yen/short-USD/JPY view attractive.
Mark Cudmore Executive Editor, Bloomberg Live / Macro Strategist 2:00
Dollar weakness trade has momentum.
There is a broad dollar-weakness backdrop: news this week has investors wanting to diversify away from the dollar, the dollar is weakening across the board except against the yen, and momentum traders are looking to add. He says everything is lining up for dollar weakness, and BOJ support would help the trade.
Mark Cudmore Executive Editor, Bloomberg Live / Macro Strategist 2:32
Yen remains in structural decline.
Cudmore remains a perma bear on the yen and sees a structural decline lasting for a long time. He therefore does not expect intervention to work on a super long-term basis.
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Speakers: Mark Cudmore  · Tickers: USD/JPY, UUP, FXY