TD Securities economists Eli Nir and Oscar Munoz have analyzed the forthcoming changes to the methodology used by the Bureau of Economic Analysis (BEA) for calculating the United States Personal Consumption Expenditures (PCE) Price Index, specifically for portfolio management, legal services, and computer software & accessories categories. According to their estimates, the revisions would result in May 2026 core PCE year-on-year inflation being approximately 15 basis points lower than the currently reported 3.4% year-on-year rate. Over the past 12 months, the average monthly impact on core PCE inflation would have been around -1 basis point per month [1].
The methodology changes are scheduled to be implemented on September 30, coinciding with the release of August data. At that time, the BEA will also provide more detailed information about the changes, which is not yet available. Currently, only the broad outlines have been released, so the estimates rely on assumptions until further guidance is published by the BEA [1].
TD Securities notes that the implications for Federal Reserve policy are limited, as the affected categories represent only 3.67% of the PCE basket. The revisions are expected to better align measured inflation with actual spending patterns. Except for portfolio management services, the revised measures will continue to rely on Consumer Price Index (CPI) and Producer Price Index (PPI) data [1].
No significant market reaction or forward-looking analyst opinions regarding investment strategies were discussed in the article. The economists emphasize that historic performance is not indicative of future results and that all investments carry risk [1].
CONCLUSION
The upcoming BEA methodology changes to the PCE Price Index are expected to have a marginal impact on reported inflation and virtually no effect on Federal Reserve policy, according to TD Securities. With only a small portion of the PCE basket affected and minimal estimated changes to inflation readings, market implications are likely to be limited.