Empire State Manufacturing Survey: Inventories: Current (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. Based on a sample of manufacturing firms surveyd by the FED, the seasonally adjusted diffusion index for inventories (share of CEOs seeing a recent increase minus share reporting a decrease) stood at 8.9 in September 2026, compared to -5.2 in August.
Sample. The monthly time series plotted above has 303 records. The span of time covered by the series extends from July 2001 to September 2026.
History. Take a look at a few descriptive statistics computed on the whole sample: the diffusion index had a mean of -2.7; it hit a trough of -36.5 in July 2009; it reached its highest level of 40.0 in September 2001.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-07-31 | 4.00000 |
| 2026-08-31 | -5.20000 |
| 2026-09-30 | 8.90000 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Diffusion index for the question: Did inventories 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 | 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) |
Series in the same data set
Discover the other time series included in this data set.