Analysis
Two series, one timeline
Overlay any two indicators over the window where both exist. Jan 1948 to Jan 2026.
First series
Second series
Real GDP (Billions of chained 2017 dollars) CPI Inflation (YoY) (Percent change from year ago)
Left axis: Real GDP · GDPC1. Right axis: CPI Inflation (YoY)
· CPIAUCSL. Both from FRED, latest-revised, read from cache.
Correlation is not causation. Two lines moving together is not one moving the other. A shared trend often traces back to a third force, or to chance. This tool overlays the data. It does not explain it.