Empire State Manufacturing Survey: Availability of supplies: Current (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 recent increase minus share reporting a decrease) was -8.8 in September 2025, compared to -5.5 in August.
Sample. There are 48 records overall in the montly time series shown in the figure above. The series covers the period going from October 2021 to September 2025.
History. Here's a glimpse of a few simple statistics calculated on the full sample: the diffusion index had a mean of -5.2; it reached a trough of -63.2 in October 2021; it recorded a maximum of 32.0 in June 2023.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-07-31 | -11.0 |
| 2025-08-31 | -5.5 |
| 2025-09-30 | -8.8 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Diffusion index for the question: Did the availability of supplies increase or decrease in the past month? |
| Country | United States |
| Economic concept | Business survey response |
| Data type | Coincident 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) |
Series in the same data set
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