Kansas City Fed Services Survey: Inventory levels: Future (increase vs decrease; diffusion index; percentage points; seasonally unadjusted) - 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 unadjusted diffusion index for inventory levels (share of CEOs seeing a future increase minus share forecasting a decrease) was 6.0 in September 2026, compared to -2.0 in the previous month.
Sample. There are 153 records in the monthly series displayed in the plot above. The time range covered by the series is from January 2014 to September 2026.
History. Here's a snapshot of a few simple statistics computed on the entire sample: the diffusion index recorded its highest level of 28.0 in February 2018; it reached a trough of -14.0 in April 2020; it was equal on average to 5.3.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-07-31 | -3.00000 |
| 2026-08-31 | -2.00000 |
| 2026-09-30 | 6.00000 |
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Series Metadata
| Field | Value |
|---|---|
| Description | Diffusion index for the question: Will inventory levels increase or decrease over the next six months? |
| Country | United States |
| Economic concept | Business survey response |
| Data type | Leading 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 | 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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