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Producer Price Indexes
Bureau of Labor Statistics > Producer Price Indexes > About > Notices

BLS to Post PPI Recalculated Relative Importance Figures and Seasonal Adjustment Factors on February 12, 2027

Each year with the release of Producer Price Index (PPI) data for January, relative importance figures and seasonal adjustment factors are recalculated to reflect price movements from the just-completed calendar year. The following information will be released on February 12, 2027, at 8:30 AM eastern time, in conjunction with the release of PPI data for January 2027, and will be available on the Bureau of Labor Statistics (BLS) website at www.bls.gov/ppi/tables/.

Relative Importance Figure Tables for December 2026:

  • Final demand by individual commodities
  • Final demand by component series
  • Individual commodities of intermediate demand by commodity type
  • Component series of intermediate demand by commodity type
  • Individual commodities of intermediate demand by production flow
  • Component series of intermediate demand by production flow
  • Commodities, all levels
  • Wherever-provided services and construction

Seasonal Factor Update:

  • Direct seasonal factors for PPI commodity indexes for 2027
  • Recalculated seasonal factors for the last 5 years (2022-2026) for PPI commodity indexes
  • Recalculated seasonal factors for the last 5 years (2022-2026) for PPI Final Demand–Intermediate Demand (FD-ID) indexes

Recalculated seasonal index data for 2022-2026 for the FD-ID and commodity indexes also will be posted to the PPI database on the BLS website on February 12, 2027, at 8:30 AM eastern time.

For additional information, contact the PPI Section of Index Analysis and Public Information at ppi-info@bls.gov or (202) 691-7705.

Last Modified Date: November 13, 2026