Personal Consumption Expenditures (PCE)

Personal Consumption Expenditures (PCE) is the Federal Reserve's preferred inflation measure — the actual yardstick against which the Fed evaluates its 2% price stability mandate. Released monthly by the Bureau of Economic Analysis at 8:30 AM ET, PCE differs from CPI in two important ways: it uses chain-weighting to adjust for consumer substitution (if beef gets expensive, consumers buy chicken, and PCE captures that), and its basket reflects what consumers actually spend rather than a fixed survey.

The result is that PCE typically prints 20–30 basis points below CPI. But that spread isn't the point — Core PCE (excluding food and energy) is the number the Fed explicitly cites in its policy statements and dot plot projections. When Fed Chair Powell says inflation is "still elevated" or "making progress toward target," he's looking at Core PCE.

Because PCE is released after CPI (usually in the final week of the month), sophisticated traders often use the CPI and PPI data to build accurate PCE models ahead of the release. If the market has already priced the CPI print, a PCE that confirms expectations gets a muted reaction. The surprise moves come when PCE diverges from what CPI implied — usually due to the services components or healthcare cost adjustments that are weighted differently between the two indices.

PCE matters most when the Fed is on the edge of a rate decision. A Core PCE at 2.0% is the "mission accomplished" signal; a Core PCE stuck at 2.5–3.0% tells markets the easing cycle will be slow.