What Is the Flexible Price CPI?
The Flexible Price CPI is an inflation measure created by the Federal Reserve Bank of Atlanta. It tracks the prices of goods and services that change frequently, such as gasoline, food commodities, apparel, and other categories that respond quickly to market conditions.
Because these prices adjust rapidly, the Flexible CPI is highly sensitive to short‑term shocks, supply disruptions, and market volatility, making it a useful indicator for understanding near‑term inflation dynamics.
Why the Flexible Price CPI Matters
- Captures fast‑moving inflation Reflects categories that respond quickly to economic conditions.
- Useful for short‑term analysis Helps identify immediate inflation pressures before they appear in sticky categories.
- Complements Sticky Price CPI Together, they show the difference between temporary shocks and persistent inflation.
- Highly sensitive to energy and commodity prices Often spikes during supply disruptions or global market stress.
Key Insights
- Flexible CPI is much more volatile than Sticky CPI or headline CPI.
- Sharp increases often reflect temporary shocks rather than broad inflation.
- Declines can signal easing short‑term pressures even when sticky inflation remains high.
- Comparing Flexible vs. Sticky CPI helps distinguish transitory vs. persistent inflation forces.
Source
Federal Reserve Bank of Atlanta / FRED