Published by noon (ET) on the day of the CPI release, the sticky price index sorts the components of the consumer price index (CPI) into either flexible or sticky (slow to change) categories based on the frequency of their price adjustment.
The Atlanta Fed's sticky-price consumer price index (CPI)—a weighted basket of items that change price relatively slowly—rose 1.8 percent (annualized) in January, following a 1.2 percent increase in December. The 12-month change in the index was 1.8 percent.
The sticky price index increased 2.0 percent (annualized) on a core basis (excluding food and energy) in January, and the 12-month index was 1.8 percent.
The flexible cut of the CPI—a weighted basket of items that change price relatively frequently—rose at a 2.3 percent annualized rate in January. The flexible CPI is now 1.0 percent above year-ago levels.
Note that the Sticky Price CPI data have been updated back to January 2009 to incorporate seasonal factors from the U.S. Bureau of Labor Statistics.
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Source: Federal Reserve Bank of Atlanta
Core Sticky CPI
Core Flexible CPI