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US 2026 Q3 PCE YoY Growth Flat at 3.7%, Slightly Above Expectations, Showing Sticky Services Inflation

2026-08-27

  1. Core Overview: According to the latest released US 2026 Q3 data, the headline Personal Consumption Expenditures (PCE) price index recorded a year-over-year growth of 3.7%, flat compared to the previous value of 3.7% in Q2, but slightly higher than the market consensus of 3.6%. Looking at the monthly changes, the headline PCE rebounded from the previous decline to a month-over-month increase of 0.2%, indicating that the pace of inflation cooling has stalled here. Although core PCE performance remained at 3.3% YoY and met expectations, the rigidity of the overall indicator has once again sparked market concerns about inflation reigniting.

  2. Key Breakdown: Delving into the breakdown of PCE performance, a clear divergence can be seen between "services" and "goods". Institutional data shows that the month-over-month growth rate of services inflation significantly accelerated to 0.3% from the previous 0.1%, becoming the core force supporting overall prices; in contrast, goods prices saw a month-over-month decrease of 0.1%, continuing the previous downward trend. Furthermore, real personal consumption expenditures (adjusted for inflation) of the US public showed a zero growth of 0%, reflecting that high prices have begun to erode real purchasing power.

  3. In-depth Attribution: The main reason for the stalled cooling of inflation this period lies in the rising costs on the services side and specific hardware equipment. Wall Street institutions pointed out that software, hardware, and IT service costs related to artificial intelligence (AI) and data center construction are continuing to exert pressure on core inflation. Goldman Sachs further highlighted that the US stock market rally has pushed up portfolio management fees, becoming a major factor driving up services inflation; on the other hand, consumers are becoming more cautious in the face of high prices, pushing the saving rate up to nearly 3%, which suppresses actual consumption performance.

  4. Outlook and Risks: Looking ahead to the short term (1-2 months), the market will highly focus on the upcoming Jackson Hole Economic Symposium and the subsequent FOMC interest rate decisions. The coexistence of sticky inflation and cooling consumption puts the Federal Reserve's monetary policy in a dilemma. In the medium term (3-6 months), investors need to pay close attention to the risk of energy price fluctuations and the structural inflationary pressure derived from AI infrastructure. These potential factors could all hinder the PCE from smoothly dropping back to the long-term target of 2%.

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