Fed Governor Waller Confirms BEA PCE Inflation Math Overhaul Will Lower Reported Core Readings
The Bureau of Economic Analysis (BEA) is proceeding with its major methodological overhaul to the Personal Consumption Expenditures (PCE) Price Index. In his September 3, 2026, address, Federal Reserve Governor Christopher Waller explicitly confirmed the pending Commerce Department revision, providing official central bank validation for the technical adjustment that Wall Street has been closely tracking.
The overhaul focuses on how the government estimates "nonmarket" prices, specifically the fees paid to stock market traders and related investment professionals. Waller stated that this technical adjustment is expected to be implemented shortly and will artificially depress reported inflation figures, potentially lowering the 12-month trailing PCE inflation rate by a few tenths of a percentage point.
Verbatim Quotes
"One factor that I expect will lower reported inflation a bit is a pending change in the way the Commerce Department estimates the fees paid to stock market traders and related professionals. That change in this 'nonmarket' price estimate, which I expect to be made shortly, could lower 12-month PCE inflation by a few tenths of a percentage point." — Federal Reserve Board of Governors
What It Means
This technical adjustment is highly significant for the Fed's policy trajectory, as the PCE Price Index is the central bank's preferred inflation gauge. By mathematically shaving off a few tenths of a percentage point from both headline and core PCE readings, the overhaul will make inflation appear closer to the Fed's 2% target than it actually is1 under the current formula. As detailed in Fed Governor Waller Signals Support for Rate Hold in September, Easing Hike Fears, this methodology shift provides the Fed with additional "statistical cover" to justify holding interest rates steady, even as other indicators like the ISM services prices paid index continue to show stubborn, real-world price pressures.
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An instance of Rewriting statistical inflation metrics replaces monetary easing to relieve rate pressure. — It explains how a methodological revision of the PCE index mathematically lowers reported inflation, giving the Fed statistical cover to hold rates steady. ↩︎