What this release is
The Core Consumer Price Index, year-over-year, measures the percentage change in prices paid by urban consumers for a basket of goods and services, excluding volatile food and energy components, compared to the same month a year prior. This monthly release, focusing on the prices sector, is published by bls.gov.
Forex traders closely monitor this inflation metric because it serves as a key input for central bank monetary policy decisions. Sustained increases in core inflation can prompt central banks to consider tightening monetary policy, such as raising interest rates, which can historically support the US Dollar. Conversely, persistent low core inflation might lead to considerations for looser policy, potentially weighing on the currency.
After past releases, market participants typically focus on the headline year-over-year figure. Revisions to previous months’ data can also influence market reactions. Given its high typical impact rating, the release often correlates with significant movements in USD pairs.