Manufacturing Business Outlook Survey: Delivery times: Future (increase vs decrease; diffusion index; percentage points; seasonally unadjusted) - 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 unadjusted diffusion index for delivery times (share of CEOs seeing a future increase minus share forecasting a decrease) was 9.7 in November 2025, compared to 9.1 in October.
Sample. This monthly time series has 691 records. The series covers the time span extending from May 1968 to November 2025.
History. Check out some summary statistics calculated on the whole sample: the diffusion index was equal on average to -1.0; it registered a minimum of -39.6 in June 2022; it reached its highest level of 28.0 in June 1983.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-09-30 | 0.0 |
| 2025-10-31 | 9.1 |
| 2025-11-30 | 9.7 |
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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 | No |
| 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) |
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