It consists of the actual and imputed expenditures of households and includes data pertaining to durable and non-durable goods and services.
[3] PCE data is published monthly by the Bureau of Economic Analysis (BEA) as part of the National Income and Product Accounts (NIPA).
CPI contains a large component of owner-equivalent rent, which by definition is an imputed value and not a real direct expenditure.
In the United States, employer health insurance is a large component and accounts for much of the difference in weights.
CPI is a practical alternative used to give a quicker read on prices in the previous month.
PCE is typically revised three times in each of the months following the end of a quarter, and then the entire NIPA tables are re-based annually and every five years.