Inflation · United States

United States inflation forecast

CPI inflation (12-month change, monthly)

monthlyUnit: 12-month change, monthlyData through Sep 2026

Model run: Oct 14, 2026 · TimesFM 2.5

12 months forecast · Sep 2027

3.4%

Median forecast · p10-p90: 1.2% to 5.9%

Latest observed: 3.7% · Sep 2026

Choose a horizon

The median and range update together.

History & forecast

White: observed history. Blue: forecast median. Shaded: p10-p90 model range.

2%4%6%8%202220232024202520262027HistoryForecast
2%4%6%8%202220242026HistoryForecast

All values in 12-month change, monthly

CPI-U monthly 12-month change. October 2025 has no official observation; the gap is preserved.

Model validation

HorizonTestsModel errorModelNo-change errorNo changeBand coverageCoverage
3 months570.67 pp0.73 pp91.2%
6 months541.01 pp1.08 pp88.9%
12 months491.32 pp1.67 pp91.8%

In these tests the model had lower average error than a no-change forecast at all 3 horizons. Rolling backtests of this model on the latest revised history; overlapping forecast errors are not independent. The p10-p90 band is a model range, not a calibrated guarantee. Methodology · Forecast audit

Evidence & context

Source data

Source & observed data

DateValueChange
Sep 20263.7%+0.34 pp
Aug 20263.4%+0.03 pp
Jul 20263.4%−0.17 pp
Jun 20263.5%−0.72 pp
May 20264.2%+0.44 pp
Apr 20263.8%+0.55 pp
Mar 20263.3%+0.84 pp
Feb 20262.4%+0.03 pp
Jan 20262.4%−0.29 pp
Dec 20252.7%−0.06 pp
Nov 20252.7%−0.28 pp
Sep 20253.0%+0.10 pp

Sources & limits

Source: U.S. Bureau of Labor Statistics · CUUR0000SA0. Methodology · Forecast audit

Historical context

Outside the model

What could change this forecast?

The watchlist

A small, dated reading list. TimesFM sees the data series, not these stories. This context is not a trading signal.

No recent item selected for this series. We would rather leave this quiet than fill it with a weak match.

Selected for relevance, not a claim of causation. Source dates stay visible. Original reporting remains with its publisher.

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