# United States Cleveland Fed 16% Trimmed-Mean CPI inflation (annualized 1-month % change)

United States Cleveland Fed 16% Trimmed-Mean CPI inflation (annualized 1-month % change) was 4.5% in October 2026, up 1.0 percentage points from September 2026 and up 2.7 percentage points from a year earlier.
Over the past ten years it has ranged from 0.1% (Apr 2020) to 9.6% (Oct 2021), averaging 3.3%.

- Source agency: Federal Reserve Bank of Cleveland
- Makrognosis code: `US.TRIMCPI.M.NSA`
- Frequency: monthly
- Units: % annualized
- Coverage: 1983-01-01 to 2026-10-01 (526 observations)
- Page: https://makrognosis.robomacro.com/data/united-states/cleveland-fed-16-pct-trimmed-mean-cpi-inflation-annualized-1-month-pct

## Recent data

| Period | Value |
|---|---:|
| October 2026 | 4.5% |
| September 2026 | 3.5% |
| August 2026 | 2.7% |
| July 2026 | 2.7% |
| June 2026 | 0.1% |
| May 2026 | 3.2% |
| April 2026 | 5.2% |
| March 2026 | 2.3% |
| February 2026 | 2.8% |
| January 2026 | 2.3% |
| December 2025 | 3.6% |
| November 2025 | 1.8% |
| October 2025 | 1.8% |
| September 2025 | 2.4% |
| August 2025 | 3.1% |
| July 2025 | 3.0% |
| June 2025 | 3.4% |
| May 2025 | 2.3% |
| April 2025 | 2.9% |
| March 2025 | 2.6% |
| February 2025 | 3.4% |
| January 2025 | 4.6% |
| December 2024 | 3.0% |
| November 2024 | 3.4% |

## API

```
curl -H "X-API-Key: $MAKROGNOSIS_KEY" \
  "https://makrognosis.robomacro.com/v1/series/US.TRIMCPI.M.NSA"

# Python
import requests
r = requests.get("https://makrognosis.robomacro.com/v1/series/US.TRIMCPI.M.NSA",
                 headers={"X-API-Key": KEY})
obs = r.json()["observations"]
```