Average Fed Mfg Survey: Inventories of finished goods: Current (increase vs decrease; diffusion index; percentage points; seasonally unadjusted) - United States - FSR - Monthly
This series is part of the dataset: Average Fed Mfg Survey (FetchSeries Research)
Download Full Dataset (.xlsx)Latest updates. Based on an average of regional Federal Reserve manufacturing surveys, the seasonally unadjusted diffusion index for inventories of finished goods stood at 3.2 (share of CEOs seeing a recent increase minus share reporting a decrease) in September 2026, versus 5.3 in the previous month.
Sample. This monthly time series has 268 observations in total. The series covers the period stretching from June 2004 to September 2026.
History. Check out some simple statistics we calculated on the full sample: the diffusion index recorded its highest level of 18.2 in April 2008; it reached its minimum of -9.2 in November 2020; it had a mean value of 3.8.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-07-31 | 8.16667 |
| 2026-08-31 | 5.30000 |
| 2026-09-30 | 3.16667 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Diffusion index for the question: Did inventories of finished goods 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 3 regional Federal Reserve manufacturing surveys |
| FSR temporal aggregation code | LM01 |
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