Empire State Manufacturing Survey: Availability of supplies: Future (increase vs decrease; diffusion index; percentage points; seasonally unadjusted) - United States - NY FED - Monthly
This series is part of the dataset: Empire State Manufacturing Survey (NY FED)
Download Full Dataset (.xlsx)Latest updates. According to survey data about NY-based manufacturers collected by the Federal Reserve, the seasonally unadjusted diffusion index for the availability of supplies (share of CEOs seeing a future increase minus share forecasting a decrease) was -2.0 in September 2025, versus -1.8 in August 2025.
Sample. There are 17 records overall in the montly time series displayed in the plot above. The series covers the time range extending from May 2024 to September 2025.
History. Here's a peek at some simple statistics we calculated on the entire sample: the diffusion index had an average value of -3.5; it registered a minimum of -27.6 in May 2025; it hit a peak of 9.1 in May 2024.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-07-31 | -2.8 |
| 2025-08-31 | -1.8 |
| 2025-09-30 | -2.0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Diffusion index for the question: Will the availability of supplies 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 | Montly |
| Unit | Percentage points |
| Source | Federal Reserve Bank of New York |
| Source type | Central bank |
| Data licence | Free use subject to conditions |
| Measure type | Diffusion index (share of respondents reporting an increase minus share reporting a decrease) |
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