Kansas City Fed Services Survey: Inventory levels: Current (increase vs decrease; diffusion index; percentage points; seasonally adjusted) - United States - Kansas City Fed - Monthly
This series is part of the dataset: Kansas City Fed Services Survey
Download Full Dataset (.xlsx)Latest updates. According to recent survey data about services firms in the Tenth Federal Reserve District, the seasonally adjusted diffusion index for inventory levels (share of CEOs seeing a recent increase minus share reporting a decrease) was 0.0 in September 2026, compared to -7.0 in August.
Sample. In the monthly series shown in the chart, there are 153 observations in total. The series covers the time range stretching from January 2014 to September 2026.
History. Here’s a quick look at some summary statistics we computed on the full sample: the diffusion index had an average value of 3.4; it recorded a minimum of -22.0 in May 2020; it reached a maximum of 23.0 in December 2022.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-07-31 | 14.0000 |
| 2026-08-31 | -7.00000 |
| 2026-09-30 | 0 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Diffusion index for the question: Did inventory levels 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 | Yes |
| 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 | Federal Reserve Bank of Kansas City |
| Source type | Central bank |
| Data licence | Reproduction allowed subject to conditions |
| Other information | FS correspondence: Inventory levels |
| FSR temporal aggregation code | LM01 |
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