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Intervention Guessing Game Goes On As Off'ls Lean Towards Volatility Management

JPY

Above-forecast U.S. CPI print catalysed another upswing in USD/JPY, sending the pair to a 30-year high Thursday. The rate topped out at Y147.67, just above key resistance from the 1998 high located at Y147.66. The subsequent sharp pullback inspired speculation re: potential intervention.

  • The BoJ's commitment to its ultra-loose policy settings maintained upward pressure on USD/JPY after PM Kishida and BoJ Gov Kuroda both expressed unwavering support for the current monetary policy course this week.
  • U.S./Japan yield spreads rose post-U.S. CPI, with 10-year differential expanding 5.3bp on the day. 2-year gap widened 16.8bp to top 450bp for the first time since late 2000.
  • The reassessment of intervention risks helped remove a key obstacle to further USD/JPY gains as FinMin Suzuki clarified that officials were focusing on volatility rather than specific levels of the exchange rate.
  • Suzuki's comments may have helped USD/JPY rally through the levels that historically triggered interventions to prop up the yen last month (Y145.90) and in 1998 (147.66). USD/JPY implied volatilities ore comfortably off recent cyclical highs, with one-week tenor last at 12.0%.
  • Still, the prompt reversal of the post-CPI move inspired chatter of potential intervention, as officials may have judged that renewed gains were too sharp. For the record, MoF officials keep rattling the intervention sabre, while flagging the option of conducting a covert intervention.
  • Spot USD/JPY last +15 pips at Y147.28. Clearance of Y147.67 would draw bullish attention to the round figure of Y150.00. Bears look for a pullback towards Sep 22 low of Y140.36, a key layer of support.

Fig. 1: USD/JPY vs. USD/JPY 3-Month Implied Volatility

Source: MNI - Market News/Bloomberg

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