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

Recalculated Seasonal Adjustment Factors and Relative Importance Figures to be Available on February 14, 2023

 

Each year with the release of PPI data for January, seasonal adjustment factors and relative importance figures are recalculated to reflect price movements from the just-completed calendar year. The following information relating to the seasonal-factor update will be available on February 14, 2023 (2 workdays prior to the release of PPI data for January 2023 on February 16, 2023):

  • Direct seasonal factors for PPI commodity indexes for the year 2023,
  • Recalculated seasonal factors for the last 5 years (2018-2022) for PPI commodity indexes,
  • Recalculated seasonal factors for the last 5 years (2018-2022) for PPI Final Demand-Intermediate Demand indexes,
  • Recalculated seasonal index data for the last 5 years (2018-2022) for Final Demand-Intermediate Demand and commodity indexes. This revision to seasonally adjusted indexes for the previous 5 years will be posted to the PPI database on the BLS website.

In addition, the following relative importance tables, which include values for December 2022, will be available on February 14, 2023: 

  • 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

This information will be available on the PPI website at www.bls.gov/ppi or by contacting the PPI Section of Index Analysis and Public Information at ppi-info@bls.gov or (202) 691-7705.

Last Modified Date: November 15, 2022