Empire State Manufacturing Survey: Availability of supplies: Future (increase vs decrease; diffusion index; percentage points; seasonally adjusted) - 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, the seasonally adjusted diffusion index for the availability of supplies (share of CEOs seeing a future increase minus share forecasting a decrease) stood at -1.9 in October 2025, compared to -2.0 in September 2025.
Sample. There are 18 data points overall in the monthly time series shown in the figure above. The series covers the time period going from May 2024 to October 2025.
History. Here are some simple statistics calculated on the whole sample: the diffusion index was equal on average to -3.4; it reached its maximum of 9.1 in May 2024; it hit a trough of -27.6 in May 2025.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-08-31 | -1.8 |
| 2025-09-30 | -2.0 |
| 2025-10-31 | -1.9 |
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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 | Yes |
| Rescaling | None |
| Frequency | Monthly |
| 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) |