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, versus 12.4 in August.
Sample. This monthly time series has 268 observations overall. The time period covered by the series extends from June 2004 to September 2026.
History. Here's a peek at some descriptive statistics computed on the full sample: the diffusion index recorded a minimum of -18.6 in February 2009; it hit a maximum of 41.4 in October 2021; it was equal on average to 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 |
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