Equilon FX
Economic indicator

US PCE price index

Separate the measure used in the policy objective from the spending data published alongside it.

Equilon FX · Reference edition / 25 Sep 2026 · 3 min read
PublisherBureau of Economic Analysis
FrequencyMonthly
UnitsPrice index and percentage changes
In this guide
01

A price measure within a wider release

The PCE price index tracks prices associated with personal consumption expenditures. The broader release also discusses income and spending. Keep price changes separate from changes in nominal spending or inflation-adjusted consumption: they describe different dimensions of household activity.

02

Why it is not interchangeable with CPI

BEA groups the differences between PCE and CPI into formula, weight, scope and other effects. The same category can therefore contribute differently to the two aggregates. Reading a gap as an error, without inspecting the construction, skips the question the methodologies are answering.

03

Headline and core are different coverage

A headline index and an index excluding food and energy should be labelled separately. A narrower measure can help examine a particular aspect of price pressure, but does not replace every use of the broader measure. State which series is used when comparing periods or discussing policy.

04

The target does not turn one release into a verdict

The Fed’s 2% longer-run inflation objective is defined using annual PCE inflation. That makes the measure important to the policy framework. It does not mean a single monthly number determines a decision without the outlook, uncertainty or other economic evidence.

HYPOTHETICAL / A THOUGHT EXPERIMENT

Nominal spending and volume

If hypothetical spending rises by 5% while the relevant price measure rises by 3%, the implied real change is approximately 1.05 divided by 1.03, minus one: about 1.94%. The example shows why a nominal spending headline alone does not tell you how much more was consumed.

SEPARATE THE LAYERS

What kind of statement is this?

Bureau of Economic Analysis / Monthly / Price index and percentage changes

A QUICK CHECK

CPI and PCE report different inflation rates. What should be checked first?

Keep the language clear Three useful definitions

PCE price index — The US personal consumption expenditures price index. Its construction differs from CPI. The Federal Reserve states its longer-run inflation objective in terms of PCE. Read more ↗

Contribution — The part of an aggregate change attributable to a component under the relevant weighting method. A contribution in percentage points differs from the component’s own percentage growth. Read more ↗

Core inflation — An inflation measure excluding selected components, often food and energy. Check the exact series definition rather than assuming all core indexes have identical coverage. Read more ↗

FOLLOW THE EVIDENCE

Original references.

  1. BEA: prices and inflation ↗
  2. BEA: comparing PCE and CPI ↗
  3. Federal Reserve: the inflation objective ↗

Institutional descriptions were prepared against these references for this edition. Follow the source for current decisions, releases and methodology. Numerical examples on this page are illustrative.

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