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Traders raise odds of 50 bps Fed rate hike as CPI rise exceeds expectations

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In short

October's Consumer Price Index rose 0.4% month-over-month, while core inflation held steady at a 0.3% monthly pace rather than slowing to the projected 0.2%. These figures fulfill specific criteria outlined by Federal Reserve Governor Christopher Waller, who argued that sustained core pressures justify a 50-basis-point adjustment to protect institutional credibility. Following the report, the yield on two-year Treasury notes recorded its steepest single-day climb since early April 2025.

Key points

  • Federal Reserve Governor Christopher Waller noted that a 0.3% core inflation rise could j…: Federal Reserve Governor Christopher Waller noted that a 0.3% core inflation rise could justify a half-point rate increase.
  • Investors lifted the implied market probability of a 50-basis-point December rate hike to…: Investors lifted the implied market probability of a 50-basis-point December rate hike to approximately 15% by midmorning.
  • Policymakers warned that opting for a smaller rate adjustment risks damaging the central…: Policymakers warned that opting for a smaller rate adjustment risks damaging the central bank's inflation-fighting credibility.

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The US Consumer Price Index climbed 0.4% on a monthly basis in October, a drop from the 0.6% in September, as energy inflation slid. But the core inflation, the index excluding volatile food and energy prices, climbed 0.3% for the third straight month, showing strong basis of inflation spreading across the economy.

In remarks delivered overnight in London, Federal Reserve Governor Christopher Waller indicated that a 0.3% increase in core inflation for October could lead him to consider a larger, 50-basis-point interest rate hike at the Fed's December 8-9 policy meeting. Although markets had largely priced in a 25-basis-point increase, expectations of a bigger move were gaining traction amid a widespread bond market selloff, with the probability rising to nearly 15% by midmorning.

Waller said that if core consumer prices climb 0.3% or more from September, the central bank may need to take stronger action. Speaking at an event organised by King's Business School and the Money Macro & Finance Society, he said a half-percentage-point rate increase should be considered under such circumstances.

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