Average Fed Mfg Survey: Delivery times: Current (increase vs decrease; diffusion index; percentage points; seasonally unadjusted) - 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 unadjusted diffusion index for delivery times was 17.4 (share of CEOs seeing a recent increase minus share reporting a decrease) in September 2026, compared to 12.4 in August 2026.
Sample. There are 268 observations in the monthly series presented in the plot above. The series covers the span of time extending from June 2004 to September 2026.
History. Here's a glimpse of a few simple statistics we calculated on the entire sample: the diffusion index recorded a minimum of -18.6 in February 2009; it recorded its maximum of 41.4 in October 2021; it had a mean of 3.7.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-07-31 | 12.6000 |
| 2026-08-31 | 12.3600 |
| 2026-09-30 | 17.3600 |
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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 | No |
| 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.