Average Fed Mfg Survey: Delivery times: Current (increase vs decrease; diffusion index; percentage points; seasonally adjusted) - United States - FSR - Monthly
This series is part of the dataset: Average Fed Mfg Survey (FetchSeries Research)
Download Full Dataset (.xlsx)Latest updates. Based on an average of regional Federal Reserve manufacturing surveys, the seasonally adjusted diffusion index for delivery times stood at 18.0 (share of CEOs seeing a recent increase minus share reporting a decrease) in September 2026, compared to 12.0 in the previous month.
Sample. The monthly series presented in the chart has 268 observations overall. The time range covered by the series extends from June 2004 to September 2026.
History. Have a look at a few statistics we calculated on the full sample: the diffusion index hit a trough of -17.5 in March 2009; it recorded its maximum of 43.0 in October 2021; it had an average value of 3.7.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-07-31 | 11.3800 |
| 2026-08-31 | 11.9600 |
| 2026-09-30 | 17.9600 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Diffusion index for the question: Did delivery times increase or decrease in the past month? |
| Country | United States |
| Economic concept | Business survey response |
| Data type | Coincident indicator of the business cycle |
| Seasonally adjusted | Yes |
| Deflation method | Not applicable |
| Rescaling | None |
| Measure type | Diffusion index (share of respondents reporting an increase minus share reporting a decrease) |
| Frequency | Monthly |
| Unit | Percentage points |
| Source | FetchSeries Research calculations on Federal Reserve data |
| Source type | Data research lab |
| Data licence | Creative Commons Attribution 4.0 International (CC BY 4.0) + FetchSeries disclaimers |
| Other information | Arithmetic average across 5 regional Federal Reserve manufacturing surveys |
| FSR temporal aggregation code | LM01 |
Series in the same data set
Discover the other time series included in this data set.