Cash Flow Gaps in Inventory Businesses: The Typical Numbers

An inventory business runs out of money in a specific, measurable place: between paying a supplier and collecting from a marketplace. The published numbers put the size of that gap in range. US retailers carried 1.25 months of inventory against one month of sales in June 2026. The median small business in JPMorgan Chase Institute research held 27 days of cash buffer, and retail held 19. Half of small employer firms surveyed by the Federal Reserve Banks reported uneven cash flow as a challenge. And Walmart Marketplace tells its own sellers that payment typically arrives about 28 days after an order ships.

Put those together and the shape of the problem is clear. Every figure below carries its source in the text.

How much inventory retail actually carries

The US Census Bureau, in its Monthly Retail Trade Survey, put the retail trade inventories to sales ratio at 1.25 for June 2026 on a seasonally adjusted basis. That is a preliminary figure. Excluding motor vehicles and parts, the ratio was 1.08.

The category detail in the same Census release is where it gets useful:

Category (Census Bureau, June 2026, seasonally adjusted)	Inventories to sales
Clothing and clothing accessories	2.14
Building materials and garden equipment	2.13
Furniture, home furnishings, electronics and appliance	1.59
Retail trade, total	1.25
General merchandise	1.24
Food and beverage	0.76

The ratio expresses months of inventory on hand relative to one month of sales. An apparel seller holding more than two months of stock is not mismanaging anything, that is the category norm. A food and beverage operation holding the same would be carrying nearly three times what its peers do.

The trend has been slightly downward: the same Census series shows 1.27 in February 2026, 1.26 through March, April, and May, and 1.25 in June.

How many days of cash a small business actually holds

The JPMorgan Chase Institute, in its report Cash is King: Flows, Balances, and Buffer Days, published September 2016 and based on 470 million transactions across 597,000 small businesses from February to October 2015, found the median small business held 27 cash buffer days. Cash buffer days measure how long a business could keep paying its outflows from its cash balance if inflows stopped.

The industry breakdown from that study:

• Restaurants: 16 days
• Repair and maintenance: 18 days
• Retail: 19 days
• Construction: 20 days
• Personal services: 21 days
• Wholesalers: 23 days
• Health care: 30 days
• Real estate: 47 days

Across all industries, the 25th percentile held 13 days and the 75th percentile held 62.

A separate JPMorgan Chase Institute report, Small Business Cash Liquidity in 25 Metro Areas, published April 2020 and covering 1.4 million small businesses, found that 50 percent of small businesses operate with fewer than 15 cash buffer days, and that only 40 percent have more than three weeks.

Treat those as two separate measurements rather than a trend. They use different samples and different cuts, and the retail figure reflects 2015 transaction data. JPMorgan Chase Institute has not published an updated cash buffer figure since.

What businesses say is going wrong

The Federal Reserve Banks published the 2026 Report on Employer Firms: Findings from the 2025 Small Business Credit Survey in March 2026, based on 6,525 responses from firms with 1 to 499 employees, fielded September to November 2025.

Financial challenges reported in the prior 12 months, across all employer firms:

• Increased costs of goods, services, or wages: 73 percent
• Paying operating expenses: 54 percent
• Uneven cash flow, including collecting on receivables: 50 percent
• Weak sales: 48 percent
• Increased costs associated with tariffs: 42 percent
• No financial challenges at all: 6 percent

Among firms that faced financial challenges, the actions taken were revealing. 54 percent used personal funds. 47 percent used cash reserves, 36 percent took on debt, and 24 percent made a late payment or did not pay at all.

The retail cut of the same survey, covering 760 firms, runs harder than the national average on every inventory relevant line: 86 percent reported increased costs of goods, services, or wages, 69 percent reported tariff related cost increases, which was the highest of any industry, 55 percent used personal funds, 30 percent made a late payment or did not pay, and 62 percent of applicants sought financing specifically to meet operating expenses.

On funding outcomes across all employer firms: 51 percent had funding needs met, 34 percent experienced a financing shortfall, and 15 percent had unmet funding needs.

One caveat the Federal Reserve states itself: the Small Business Credit Survey is a convenience sample rather than a random one.

Why the gap exists: settlement timing

Inventory businesses pay cash out before they collect it, and the marketplaces document exactly how long that takes.

Amazon states in its seller payments documentation that it generally settles seller accounts every two weeks, that after a payment is initiated it can take up to five business days for funds to appear in the bank, and that it typically reserves funds for seven days on deliveries to allow for inspection.

Shopify lists a minimum settlement time of three business days for Shopify Payments in the US, with payouts typically arriving within three to five business days after a customer’s payment is captured, and a further one to three business days for the bank. Accounts flagged as higher risk can be placed on custom schedules of five to twenty business days.

Walmart Marketplace states in its seller guidance that payout generally occurs every 14 days, and that in most cases payment for an order arrives in the payout cycle following shipment, about 28 days after the order ships.

Now add supplier terms. A seller paying a manufacturer 30 percent on order and 70 percent on shipment, with 30 days of ocean freight and 28 days to marketplace payment, is financing the full cycle personally. That is the mechanism behind the 54 percent personal funds figure, not poor discipline.

What the large companies manage

For contrast rather than benchmark: The Hackett Group, in its 2025 US Working Capital Survey published August 2025 and covering the top 1,000 US publicly traded nonfinancial companies using fiscal 2024 data, reported an average cash conversion cycle of 37 days and days payable outstanding of 59 days. It also estimated $1.7 trillion tied up in excess working capital, equal to 35 percent of gross working capital.

These are large public companies with treasury departments and real negotiating power. If they still carry a 37 day gap, a seller with three SKUs and one supplier should not expect to engineer theirs to zero.

Survival, and one number to ignore

The US Small Business Administration Office of Advocacy, in its Frequently Asked Questions About Small Business, 2026, published February 2026 and drawing on Bureau of Labor Statistics Business Employment Dynamics data, reports that 49.2 percent of new employer establishments survived at least five years, averaged across 1994 to 2022. Two year survival was 67.7 percent and ten year survival 33.9 percent.

Neither the SBA nor BLS attributes any share of those closures to cash flow. Worth saying plainly: the widely circulated claim that 82 percent of businesses fail because of cash flow problems has no locatable primary source. It appears almost exclusively on lender and software marketing pages, with no methodology and no publication. Do not plan around it.

What these numbers mean in practice

Three things follow from the data above.

Know your own buffer, in days. Divide your cash balance by average daily cash outflows. If the answer is near retail’s 19 day median, one late settlement or one delayed container is a crisis rather than an inconvenience.

Measure inventory in months, not dollars. Dollars grow with the business and tell you nothing. The Census ratio for your specific category is a free benchmark.

Forecast the settlement lag explicitly. Amazon’s two week cycle plus reserve, and Walmart’s roughly 28 days from shipment, are known quantities you can model rather than discover. Doing that requires settlement data decomposed into gross sales, fees, refunds, and reserves, the job of platforms such as A2X, Link My Books, Synder, and ConnectBooks, which syncs Amazon, Shopify, Walmart, TikTok Shop, and eBay into QuickBooks Online, QuickBooks Desktop Enterprise, or Xero.

Figures above were current as of September 15, 2026. The Census series updates monthly, so check the latest reading first.