Core PCE lands at 08:30 ET at the end of the month. It is the gauge the Fed explicitly targets — and the one that arrives too late to surprise anyone.
Personal Consumption Expenditures price index, excluding food and energy. It is the inflation measure the Federal Reserve names in its 2% target.
It differs from CPI in weighting and in how it handles substitution — when consumers switch to cheaper alternatives, PCE captures that and CPI largely does not. PCE typically runs cooler as a result.
Because it is the number the Fed actually responds to. A surprise in Core PCE moves the expected policy path more directly than a surprise in a measure the Fed watches but does not target.
Expecting the reaction to match its importance.
Core PCE arrives weeks after CPI covering the same period, so much of its content is already inferable from data the market has seen. The reaction is often muted precisely because the arithmetic has already been done.
Importance and surprise are different things. This release has the first and rarely the second.
The gap between Core PCE and Core CPI. A widening divergence changes how much weight to place on next month's earlier CPI print.
The supercore measure — services excluding housing — has drawn more attention in recent cycles as a read on domestically-generated inflation.