https://www.stlouisfed.org/on-the-economy/2024/apr/how-big-mac-index-relates-ov… Created Thu, 11/04/2024 - 19:30 Updated Thu, 11/04/2024 - 19:30 Big Mac inflation appears to track CPI inflation, but its path can diverge from overall U.S. inflation because of price deviations relative to other items in the consumer basket.