Average Fed Srv Survey: Inventory levels: Current (increase vs decrease; diffusion index; percentage points; seasonally unadjusted) - United States - FSR - Monthly
This series is part of the dataset: Average Fed Srv Survey (FetchSeries Research)
Download Full Dataset (.xlsx)Latest updates. Based on an average of regional Federal Reserve services surveys, the seasonally unadjusted diffusion index for inventory levels was -5.0 (share of CEOs seeing a recent increase minus share reporting a decrease) in September 2026, versus -7.0 in August.
Sample. There are 153 data points overall in the monthly time series displayed in the figure above. The time period covered by the series is from January 2014 to September 2026.
History. Check out some descriptive statistics computed on the entire sample: the diffusion index hit a minimum of -12.9 in May 2020; it reached a maximum of 16.9 in April 2024; it had a mean value of 2.5.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-07-31 | 5.20000 |
| 2026-08-31 | -6.95000 |
| 2026-09-30 | -5.05000 |
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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 |
| Seasonally adjusted | No |
| Deflation method | Not applicable |
| Rescaling | None |
| Measure type | Diffusion index (share of respondents reporting an increase minus share reporting a decrease) |
| Frequency | Monthly |
| Unit | Percentage points |
| Source | FetchSeries Research calculations on Federal Reserve data |
| Source type | Data research lab |
| Data licence | Creative Commons Attribution 4.0 International (CC BY 4.0) + FetchSeries disclaimers |
| Other information | Arithmetic average across 2 regional Federal Reserve services surveys |
| FSR temporal aggregation code | LM01 |
Series in the same data set
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