Manufacturing Business Outlook Survey: Delivery times: Future (increase vs decrease; diffusion index; percentage points; seasonally adjusted) - United States - Philly FED - Monthly
This series is part of the dataset: Manufacturing Business Outlook Survey (Philly FED)
Download Full Dataset (.xlsx)Latest updates. According to recent survey data about manufacturing firms in the Third Federal Reserve District, the seasonally adjusted diffusion index for delivery times (share of CEOs seeing a future increase minus share forecasting a decrease) was 18.6 in September 2026, compared to 0.0 in August.
Sample. In this monthly series, there are 701 records overall. The span of time covered by the series goes from May 1968 to September 2026.
History. Here are a few statistics calculated on the whole sample: the diffusion index recorded its maximum of 33.3 in June 1983; it hit a trough of -32.4 in June 2022; it had a mean value of -0.9.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-07-31 | 9.3 |
| 2026-08-31 | 0.0 |
| 2026-09-30 | 18.6 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Diffusion index for the question: Will delivery times increase or decrease over the next six months? |
| Country | United States |
| Economic concept | Business survey response |
| Data type | Leading indicator of the business cycle |
| Deflation method | Not applicable |
| Seasonally adjusted | Yes |
| Rescaling | None |
| Frequency | Monthly |
| Unit | Percentage points |
| Source | Federal Reserve Bank of Philadelphia |
| Source type | Central bank |
| Data licence | Not copyrightable under U.S. law |
| Measure type | Diffusion index (share of respondents reporting an increase minus share reporting a decrease) |
Series in the same data set
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