AllMarkets Trading

Source data you can keep with a calculation

The local historical tools use the downloadable U.S. snapshot below. Official country references use their own measures and are linked separately.

Observed data, with an explicit gap

U.S. monthly CPI-U: January 1913–September 2026, 1,364 observations. October 2025 is unavailable. No interpolation, latest-month substitution or partial-year annual average.

Inspect the snapshot and download data
Monthly CPI CSVFull data and provenance JSONOfficial reference catalogue JSON

Snapshot ID: f6f885bb76d7a97f7adca181bbc8558ad66e064b873221fe7be7cc5d9b4d129d. Retrieved 2026-10-17T13:13:52.159709+00:00. Source: U.S. Bureau of Labor Statistics. This site is an independent implementation.

Official source documents

Raw public API windows