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Consumer Price Index

Recent and upcoming methodology changes: 2017

Used cars and trucks (posted November 21, 2017)

With January 2018 data, the Consumer Price Index for used cars and trucks has changed from a three-month moving average to a single month price change. This modification will result in an index that reflects price change closer to the reference period. Additional information on the process is available at Measuring Price Change in the CPI: Used cars and trucks

For archived recent and upcoming methodology changes since 2017, see the recent and upcoming methodology change notice archive.

Last Modified Date: August 25, 2022