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Series of events · Inflation
US inflation data surprises markets with higher readings
A series of reports shows US inflation expectations and actual price data rising above forecasts in September.
Updated
The flow in 3 points
- September headline CPI rose 3.7% annually, beating forecasts
- Producer price index annual rate climbed to 6.3%
- AI costs reportedly added 0.45 points to core inflation
What happened, in order
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Where it began
Expectations rise
New York Fed survey shows one-year inflation expectations rose to 3.9 percent in September, above the 3.64 percent estimate.
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Market bets
Prediction market participants see headline inflation rising to 3.6 percent in September and core inflation holding at 2.4 percent.
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Economist forecasts
Analysts project headline inflation rose 0.58% in September to 3.6% annually, while core inflation held steady at 2.4% annually.
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Turning point
CPI beats forecasts
Headline CPI rose 0.6% monthly and 3.7% annually in September, while core CPI increased 0.3% monthly and 2.6% annually.
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AI costs cited
Computer prices rose 9.7 percent in September, while Goldman Sachs estimates AI added 0.45 percentage points to core inflation in August.
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Producer costs jump
U.S. producer costs rose 1.3% last month, with the yearly inflation rate hitting 6.3%, the highest reading since December 2022.
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Latest
Official comment
White House senior adviser Kevin Hassett said inflation still needs more work, noting strong discretionary travel spending.
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How they connect
Initial surveys and forecasts suggested inflation would remain near 3.6 percent, but actual CPI and PPI data came in higher than expected. Subsequent reports highlighted specific cost drivers like AI and energy, while officials acknowledged the persistence of price pressures.
A series is a short summary of connected news, for learning. Not verified and not advice. Check the full stories before you act.