Wholesale Inventory Signals: Scope, Timing and Buyer Evidence

“A market signal belongs in a sourcing decision alongside a clear record of its scope and the supplier’s actual commitment.”
What is the wholesale inventory signal saying now?
Inventories at cost rose in 14 of the 18 kinds of business over the year to August 2026, and sales grew faster than inventories in 13 of the 18, so most of the fall in the ratio comes from sales in dollars growing faster, a movement the ratio cannot split into price and volume.
Zinit Research · Census data through August 2026
Merchant wholesalers’ sales rose 15.6% in the year to August 2026 and their inventories 6.4%, so the inventories-to-sales ratio fell from 1.28 to 1.18, below anything in 2015 to 2019 (1.25 to 1.38)
Change from August 2025 to August 2026 in seasonally adjusted sales and end-of-month inventories, merchant wholesalers except manufacturers’ sales branches and offices, by kind of business (2017 NAICS). The gap between the circle and the diamond is what moved the ratio. Select a row to load it into the check.
What can one month’s ratio say about your distributor?
- Inventories-to-sales ratio
- 0.87
- A year earlier
- 0.96
- 2015–2019 average
- 1.12
- Days from month end to release
- 38
In August 2026, merchant wholesalers of household appliances and electrical and electronic goods held $101.2 billion of inventory at cost, 0.87 times that month’s sales, against 0.96 a year earlier and an average of 1.12 in 2015 to 2019. The August 2026 figure is preliminary: Census published it on October 8, 2026, 38 days after the month ended, and revises it on November 9, 2026. Across the last twelve releases, this group’s first-published inventories moved by up to 0.9% when revised. Your distributor’s 1.10 sits 0.23 above the group’s 0.87; before reading the gap, ask whether its figure also divides inventory at cost by one month’s sales at selling price, for the same month.
What it cannot say: which items the distributor holds, where they sit, whether they are allocated to your order, or how many days of supply they represent. Census divides inventories at cost ÷ that month’s sales with no adjustment for markup and no adjustment for price changes, for merchant wholesalers only.
Source: U.S. Census Bureau, Monthly Wholesale Trade, adjusted time series published October 8, 2026. Sales and inventories are in current dollars, not adjusted for price changes; August 2026 is preliminary. Chart: Zinit Research. Data and method
Which wholesale population does the signal describe?
The Census Bureau’s Monthly Wholesale Trade flyer describes national statistics for merchant wholesalers and explicitly excludes manufacturers’ sales branches and offices, as well as agents and brokers. Its programme explanation is useful for recognizing a scope boundary before an internal dashboard labels a series simply “wholesale inventory.” Treat that label as a starting point for checking the source. It leaves the buyer responsible for identifying the kind of business being evaluated and the entity that would actually contract for the goods.
The monthly survey methodology defines its sampling frame around companies, parts of companies identified by employer identifiers, and single-unit establishments in the United States with paid employees. Manufacturer sales branches and offices are excluded. A reporting unit can therefore represent something different from the warehouse named in a quotation. In the buyer’s register, record the supplier legal entity, the shipping site and the public series separately. That makes a population mismatch visible before anyone uses a national observation to explain a particular location’s ability to fulfil an order.
What does inventory value leave unanswered?
The Census inventory definition concerns the cost value of merchandise on hand and available for sale at the end of the reference month. It includes goods owned by the firm regardless of location within the United States, while excluding goods outside the country, goods on the premises owned by someone else, and items not held for resale. Those boundaries explain why a financial inventory value needs a separate operational enquiry. Ask which items are physically available at the proposed shipping location, who owns them, and what quantity remains eligible for your order.
The inventory-to-sales definition divides the dollar value of inventories by the dollar value of sales and makes no adjustment for the sales markup. Reading the ratio as a ready-made count of physical stock or as a promised period of supply would add an interpretation that the definition does not establish. Keep the ratio’s value basis in the register. If a team wants to use it in a category model, document the additional assumptions and keep the supplier’s item quantities outside that calculation until they have been independently obtained.
How old is the observation you are using?
The monthly estimation method describes preliminary estimates published about forty days after the data month and revised about thirty days later. The date on the page you opened is therefore insufficient to identify the observation used in your decision. Save the data month, publication or download date, and preliminary or revised status together. When the team revisits the order, compare against the saved extract rather than silently replacing the original context with a subsequently revised value. This preserves a record of what was available when the sourcing judgment was made.
A dated annual release makes the distinction concrete. The Census Bureau’s September 2026 AIES announcement introduces the full dataset for 2024. Keep those two years in different fields: one identifies the announcement and the other identifies the activity described. A recently published annual table can inform a structural market review while still leaving today’s supplier position unanswered. In an order review, label it as annual context and obtain current commercial and operational records from the party making the commitment.
How long each month took to reach the public
The survey’s methodology says preliminary estimates come out approximately 40 days after the data month, and the seven releases for February to August 2026 data came 37 to 41 days after their month ended. The six before them took 47 to 82 days, the longest 82 days for August 2025, in the months when Census’s retail release calendar records delays from the lapse in federal funding. Revisions were small by comparison: between first publication and the October 8, 2026 file, total inventories moved by at most 0.4% and the total ratio by at most 0.01, while single kinds of business moved further, up to 5.0% for computer and peripheral equipment and software. The totals also pass through an advance estimate first: the July 2026 to August 2026 change in total inventories was +0.7% in the advance report and +0.5% in the October 8, 2026 release.
Days from the end of each data month to its first Monthly Wholesale Trade release
Source: U.S. Census Bureau, the thirteen Monthly Wholesale Trade releases for August 2025 to August 2026 data, release dates from each file’s source line; retail release-date history for the funding-lapse note. Chart: Zinit Research. Data and method
Why must monthly and annual evidence stay separate?
The AIES programme overview states that the survey replaced and integrated seven annual business surveys in 2023, including the Annual Wholesale Trade Survey. It describes an annual, company-based programme covering domestic nonfarm employer businesses. Use the current annual programme’s methods when interpreting its outputs. An older glossary entry for the former annual survey remains part of the historical documentation, but its wording alone cannot establish the design of the integrated programme. Record the programme name and reference year before importing an annual observation into a sourcing analysis.
The monthly methodology also describes imputation for missing or unsuitable responses, weighted estimation, annual benchmarking and seasonal adjustment. It states that respondents’ information is protected from identifiable public release. These are properties of a statistical product, with their own review requirements. When a dashboard carries an observation forward, preserve its method notes and adjustment status. Leave supplier-specific explanations open until the supplier supplies the relevant record; the public estimate does not identify the confidential business information that a buyer would need to verify that explanation.
The annual dataset release separately warns that its estimates are not adjusted for price changes and may be affected by sampling variability and other errors. Avoid creating a trend by placing an annual figure beside a monthly figure and treating their difference as a change in available stock. First establish comparable populations, units, valuation, reference periods and revisions. This article performs no such reconciliation and reports no market movement. A team that needs that comparison should treat it as a separate analytical task with its own evidence record.
Two Census measures of the same year that do not agree
For 2024, Census now has two measures of the same population, merchant wholesalers except manufacturers’ sales branches: the monthly survey’s not-adjusted December inventories and the 2024 AIES end-of-year inventories. In total they sit 2.6% apart, and the year’s sales 0.9% apart, but by kind of business the inventory gap runs from −14.6% (hardware, plumbing and heating equipment) to +12.2% (miscellaneous nondurable goods), and 12 of the 18 lines differ by 5% or more. The 2025 revisions notice says the monthly series was benchmarked to the 2022 Annual Wholesale Trade Survey and that months after the benchmark year carry a fixed carry-forward factor, so the 2024 AIES results are not in it yet. Until Census benchmarks the monthly series to the AIES, which the same notice says replaces the annual wholesale survey for all future years, a December figure from one and an annual figure from the other belong in separate fields.
Monthly survey’s December 2024 inventories against the 2024 AIES end-of-year figure
Source: U.S. Census Bureau, Monthly Wholesale Trade not-adjusted time series (published October 8, 2026) and AIES42BASIC, 2024, merchant wholesalers except manufacturers’ sales branches and offices; 2025 revisions notice. A negative bar means the monthly figure is lower. Chart: Zinit Research. Data and method
Which evidence should change an order?
| Public signal or method | Boundary to retain | Buyer record to request |
|---|---|---|
| Monthly wholesale coverage | National merchant-wholesaler coverage with stated exclusions in the programme flyer. | Supplier legal entity, channel role and proposed shipping location. |
| Inventory value or ratio | Cost-valued inventories and a dollar-value sales denominator in the definitions. | Item, quantity, ownership, usable stock and allocation to this order. |
| A monthly estimate | Publication lag, revisions, estimation and confidentiality in the methodology. | Current dated availability evidence and the supplier’s delivery commitment. |
| Annual programme context | Separate integrated annual design in the AIES overview. | The exact annual dataset, reference year and method note being used. |
| A new annual release | Different publication and observation vintages in the dated announcement. | A current quotation, delivery terms and an owner for unresolved conditions. |
The evidence requests are an authored procurement method, not requirements tested by Census or a promise that a supplier can provide them. No universal cutoff, performance benchmark or order outcome is claimed.
- Save the public observation with its definition, population and revision status. Write down the narrow question it is being used to frame before deciding what other evidence belongs in the file.
- Identify the contracting entity and the fulfilment location in the supplier response. Ask the supplier to distinguish confirmed stock and allocation from estimates or conditions that remain open.
- Compare the supplier response with the order’s item specification, required date and commercial terms. Keep a missing answer visible and assign a named owner to obtain or resolve it.
- Record the decision and its unresolved conditions together. If market context or supplier evidence later changes, reopen the affected assumption and preserve the earlier version for review.
Carry unresolved supplier questions into the supplier risk assessment, then give each continuing evidence request an owner in the supplier relationship review. When using another explanation from the Journal, record the particular method it covers before adding it to this register. The aim is a decision file that a colleague can inspect without having to reconstruct why a national statistic was considered relevant to a particular order.
How should a team keep the boundary visible?
Frequently asked questions
Can an inventory-to-sales ratio verify a distributor’s available items?
The Census definition specifies a ratio of dollar values without an adjustment for sales markup. It does not establish an item quantity or allocation to your order. Request the item-level availability and commitment separately.
Which monthly survey boundary should a buyer record?
Start with the merchant-wholesaler coverage described in the programme flyer, then check the reporting units, exclusions and estimate method in the monthly methodology. Record the supplier entity and shipping site alongside that public context.
Do annual and monthly observations describe the same period?
Identify each reference period separately. The AIES overview describes an annual programme, and its dated dataset announcement illustrates how the publication date can be later than the activity covered. Comparable time periods cannot be assumed from the release date.
What should a supplier provide when a buyer has only market-level inventory context?
Ask for a dated response identifying the item, committed quantity, fulfilment location, delivery timing and any open conditions. Assign an owner to clarify missing evidence before the team changes the order. These are recommended review fields, not a claim that every supplier uses the same records.
Where does this data come from?
- What the numbers are
- Seasonally adjusted monthly sales, end-of-month inventories at cost and inventories-to-sales ratios for merchant wholesalers except manufacturers’ sales branches and offices, in total and for 18 kinds of business (2017 NAICS), from January 2015 to August 2026, as published on October 8, 2026; the first-published figures from each release for August 2025 to July 2026; and 2024 annual sales and end-of-year inventories for the same population from the Annual Integrated Economic Survey. Figures are in current dollars and are not adjusted for price changes. They describe kinds of business, never a named distributor, item or site.
- Source files
- Monthly Wholesale Trade, adjusted time series: sales, inventories and inventories/sales ratios, January 1992 to August 2026, U.S. Census Bureau. Retrieved October 22, 2026. Direct download of the file published on October 8, 2026. SHA-256 ee773f02e2ae…
- Monthly Wholesale Trade, not adjusted time series, U.S. Census Bureau. Retrieved October 22, 2026. Direct download of the file published on October 8, 2026. SHA-256 ae3765bcf950…
- Monthly Wholesale Trade Report tables, August 2026, U.S. Census Bureau. Retrieved October 22, 2026. Direct download. SHA-256 51a7fe9376b0…
- Monthly Wholesale Trade Report: August 2026 (CB26-152), U.S. Census Bureau. Retrieved October 22, 2026. Page as served. SHA-256 7f9bf69e14c9…
- Monthly Wholesale Trade releases for August 2025 to July 2026, as first published (twelve files, census-mwts-release-YYYYMM.xlsx), U.S. Census Bureau. Retrieved October 22, 2026. Direct download of each month’s archived release, linked from the Census historical releases page; the hash shown is the August 2025 file, and the folder manifest pins all twelve. SHA-256 862fd3aa87a3…
- Monthly Wholesale Trade Survey methodology, U.S. Census Bureau. Retrieved October 22, 2026. Page as served. SHA-256 141030102147…
- Monthly Wholesale Trade release dates for 2026/2027, U.S. Census Bureau. Retrieved October 22, 2026. Page as served. SHA-256 7b3cb794e960…
- Monthly Wholesale Trade 2025 revisions notice, U.S. Census Bureau. Retrieved October 22, 2026. Direct download. SHA-256 7ebfb8bcfb5c…
- Monthly Wholesale Trade definitions, U.S. Census Bureau. Retrieved October 22, 2026. Page as served. SHA-256 a8e279d7df95…
- Monthly Retail Trade and Food Services data release dates, with Census’s note on the 2025 funding lapse, U.S. Census Bureau. Retrieved October 22, 2026. Direct download. SHA-256 2b82cd213fb5…
- AIES42BASIC, Wholesale Trade: Summary Statistics for Industry Groups and Industries for Employer Firms in the U.S., 2024, U.S. Census Bureau. Retrieved October 22, 2026. Direct download of the published table package. SHA-256 198c7b99908c…
- Releases kept
- All thirteen Monthly Wholesale Trade releases from August 2025 to August 2026 data, so a figure can be traced to the day it was published and compared with what Census prints now.
- How the page stays current
- Census publishes the monthly survey about 40 days after each month and revises it about 30 days later; the next release, for September 2026, is due November 9, 2026. Each rebuild adds that release to the kept set.
- Download the data
One ZIP holds the 3 CSV files below and a README that lists the sources and the citation.
- census-merchant-wholesalers-2015-2026.csv
- census-wholesale-first-published-vs-current.csv
- census-wholesale-monthly-vs-aies-2024.csv
Your data is on its way
The download should start on its own. If it doesn’t, use the link below.
Download the data (ZIP, 238 KB)- Related Zinit Research
- Cite this page
Zinit Research. “Wholesale Inventory Signals: Scope, Timing and Buyer Evidence.” Data: U.S. Census Bureau, Monthly Wholesale Trade Survey and 2024 Annual Integrated Economic Survey. https://zinit.com/journal/research/wholesale-inventory-signal-boundaries, data retrieved October 22, 2026.
- How this page is produced
- Zinit Research downloads the source files listed above, keeps the originals, and computes every chart, table and figure in the data sections from them; an automated check rebuilds each number from the files before the page is published. The article text follows the Editorial Policy.
Sources
- Monthly Wholesale Trade - Methodology — U.S. Census Bureau, 2019. Foundational evidence (official report): Reporting unit, survey estimation and lag, revisions and privacy; methodological limit on firm-level inferences.
- Monthly Wholesale Trade - Definitions — U.S. Census Bureau, 2019. Foundational evidence (official report): Ownership/value boundaries, ratio interpretation and avoiding generic-definition/survey-frame confusion.
- About the AIES — U.S. Census Bureau, 2026. Contextual evidence (official report): AIES replacement of prior annual surveys, annual programme scope and separation from monthly evidence.
- Census Bureau Releases New Annual Integrated Economic Survey Data — U.S. Census Bureau, 2026. Contextual evidence (official report): Concrete observation/publication-vintage distinction and annual-estimate caveats.
- Monthly Wholesale Trade - Flyer — U.S. Census Bureau, 2023. Foundational evidence (official report): Accessible survey-purpose/coverage distinction and national aggregate scope.