Everyday Low Price Is a Cost Structure, Not a SloganWide moat

Walmart (WMT) — moat facet

Four per cent is not what Walmart can earn. It is what Walmart has chosen to earn.

Walmart's price is not a marketing decision taken at the end of the process. It is the output of a cost structure, and the company says so in the two acronyms it uses to describe itself: everyday low price, the promise that items are priced low every day so customers stop waiting for promotions, funded by everyday low cost, the commitment to control expenses so savings can be passed along1.

What happens to $100 of Walmart revenue, FY2026$75.1Cost of goods$20.7Operating expenses$4.2Operating profit$3.1Net profitCost of sales $535,395M and operating expenses $147,943M on $713,163M of revenue.
Four cents of operating profit and three of net profit. That is not a failure to extract value — it is a cost advantage handed to the customer as price.

The underlying number is $535,395 million2. That is what Walmart spent buying merchandise in fiscal 2026, and it is the largest commercial purchase order on earth. A supplier negotiating with Walmart is negotiating with a customer who can move more of its product than the next three customers combined and who has an own-label alternative on the same shelf. That asymmetry is worth more than any contract term.

The second element is the operating cost. Walmart spent $147,943 million to run the business — 20.7% of net sales — while generating a 24.2% gross profit rate on those sales3. The gap between those two percentages is the entire profit of the company, and it is why the cost side is not a slogan: four tenths of a point of expense leverage is worth more to Walmart than most retailers' entire net income.

The third element is what Walmart does with the advantage, and it is the part outsiders most often get wrong. A company earning 4.2% on sales is not a company that has failed to extract value; it is a company that has decided to convert its cost advantage into price rather than margin, because price recruits volume and volume lowers cost. The June 2026 quarter made the logic visible when roughly $2.9 billion of tariff refunds arrived and Walmart put much of it, and said it would put the rest, into lowering prices45.

What this does not mean is that no rival ever undercuts Walmart on a particular item. A hard discounter carrying two thousand items is not paying to stock, staff and shrink the other hundred and eighteen thousand, and a cost difference that large has to show up somewhere. Walmart's claim is narrower and more durable: across everything a household actually buys, on one trip, nobody assembles the same basket for less.

What tests this facet is the gross profit rate set against the expense rate. In the June 2026 quarter the gross profit rate rose 96 basis points and Walmart U.S. expenses deleveraged 726. Price leadership funded by cost leadership requires both numbers to move the right way; one of them is not.

Moat trajectory: Holding steady

The cost advantage is intact and is being spent rather than banked, which is the correct strategy and makes it invisible in the margin. What keeps this from widening is that the hard discounters keep beating Walmart on the staples basket and the dollar chains keep beating it on distance, neither of which scale can answer.

The number that tests this moat
Moat Explorer calc
Operating margin
4.18% of revenue

$29,825M on $713,163M, against 4.31% two years earlier. The number is a choice rather than a ceiling: Walmart converts its cost advantage into price. A material rise would mean either the advertising mix is winning, which is the bull case, or that Walmart has started harvesting.

Source: Moat Explorer calculation from the FY2026 Form 10-K ↗
Aspects of the moat
DIG DEEPER 01
Five Hundred and Thirty-Five Billion Dollars of Buying
Scale does not buy a uniform discount; it buys the right to specify, the right to be paid to hold stock, and the option to make the thing instead.
DIG DEEPER 02
Four Per Cent as a Deterrent
A competitor does not have to beat Walmart's margin. It has to build a cost structure that survives one.
DIG DEEPER 03
The Brands Walmart Owns
Walmart's labels are a weapon pointed at suppliers; Costco's Kirkland is a reason to belong. The difference is the whole strategy.
DIG DEEPER 04
What Walmart Did With the Refund
A windfall spent on price converts into share that does not reverse when the windfall ends.
⚠ Threats to the moat
⚠ THREAT 01
The Rival That Carries Two Thousand Items
Aldi's advantage comes from doing less, and Walmart cannot answer it with scale because scale is not the binding constraint.
⚠ THREAT 02
A Price Promise Is Hardest to Keep in a Bad Year
The one lever a price-led retailer will not pull to protect earnings is the price.
References
  1. ReportedIt is the output of a cost structure, and the company says so in the two acronyms it uses to describe itself: everyday low price, the promise that items are priced low every day so customers stop waiting for promotions, funded by everyday low cost, the commitment to control expenses so savings can b
    Walmart Form 10-K, fiscal year ended January 31, 2026 - Item 1 Business and Item 2 Properties (approximately 280 million customers a week across more than 10,900 stores in 19 countries; 2.1 million associates, 1.6 million in the U.S.; 4,611 Walmart U.S. retail units of which 3,728 owned, 601 Sam's Clubs of which 464 owned, 5,743 international stores of which 1,486 owned; 3,566 supercenters at 633,724 thousand square feet, 351 discount stores at 36,609, 694 neighborhood markets and small formats at 36,609/28,375 with a 42,000 average; 192 U.S. and 179 international distribution facilities, 149 owned; pickup and delivery at over 8,400 locations globally; EDLP and EDLC; private brands; competition; Flipkart and PhonePe majority stakes in 2018) — FY2026 (ended January 31, 2026) · publ. March 13, 2026 · source ↗
  2. ReportedThe underlying number is $535,395 million.
    Walmart Form 10-K, fiscal year ended January 31, 2026 - consolidated financial statements and notes (total revenues $713,163M, net sales $706,413M, membership and other income $6,750M, cost of sales $535,395M, operating expenses $147,943M, operating income $29,825M, net income attributable to Walmart $21,893M, diluted EPS $2.73; balance sheet including inventories $58,851M, accounts payable $63,061M, property and equipment net $136,083M, accumulated depreciation $134,587M, depreciation and amortisation $14,203M; segment note; disaggregation of revenue by merchandise category and by market, and eCommerce net sales by segment) — FY2026 (ended January 31, 2026) · publ. March 13, 2026 · source ↗
  3. Moat Explorer calcWalmart spent $147,943 million to run the business — 20.7% of net sales — while generating a 24.2% gross profit rate on those sales.
    Moat Explorer calculation from figures in Walmart's own filings: global eCommerce of about $150.4 billion (Walmart U.S. $99.6B + International $35.8B + Sam's Club $15.0B) against $120.9 billion, a $29.5 billion increase against a $31,875M rise in net sales ($706,413M against $674,538M), about 92%; Walmart U.S. selling floor of 698.7 million square feet (633,724 + 36,609 + 28,375 thousand) and net sales per store of $104.7 million ($482,975M over 4,611 stores); operating margin 4.18% ($29,825M/$713,163M) against 4.31% ($27,012M/$648,125M); net margin 3.07%; gross profit rate 24.2% ($171,018M/$706,413M); grocery 59.1% of Walmart U.S. net sales ($285,482M/$482,975M) against 59.8% ($264,210M/$441,817M) and grocery growth of 3.4%; general merchandise to grocery ratio 0.40 against 0.43; health and wellness +26.7% ($54,898M to $69,547M); payables less inventories $4,210M ($63,061M less $58,851M); rent 0.34% of revenue ($2,434M/$713,163M); capital expenditure 64% of operating cash flow ($26,642M/$41,565M); a 1% overrun on $147,943M of expense is $1,479M; eCommerce penetration 27.5% international ($35.8B/$130,423M) and 20.6% at Walmart U.S. ($99.6B/$482,975M); shareholder returns $15,587M ($7,507M dividends plus $8,080M repurchases) against $14,923M of free cash flow; Q2 FY2027 net income attributable down 9.4% ($6,366M against $7,026M); Walmart U.S. comparable sales of about 3.9% excluding the 125 basis point pharmacy headwind — FY2024-Q2 FY2027 · publ. September 2026 · source ↗
  4. ReportedThe June 2026 quarter made the logic visible when roughly $2.9 billion of tariff refunds arrived and Walmart put much of it, and said it would put the rest, into lowering prices.
    Walmart Form 10-Q, quarterly period ended July 31, 2026 - condensed consolidated financial statements and notes (total revenues $187,937M, operating income $9,383M, other losses of $1,200M against gains of $2,708M, net income attributable to Walmart $6,366M and diluted EPS $0.80; segment note; the gain-contingency note recording approximately $2.9 billion of IEEPA tariff refunds received from U.S. Customs and Border Protection as a reduction of cost of sales; the statement that less than one third of what Walmart sells in the U.S. is imported) — Q2 FY2027 (quarter ended July 31, 2026) · publ. August 28, 2026 · source ↗
  5. ReportedThe June 2026 quarter made the logic visible when roughly $2.9 billion of tariff refunds arrived and Walmart put much of it, and said it would put the rest, into lowering prices.
    Walmart second-quarter fiscal 2027 earnings release (Form 8-K exhibit 99.1) - revenue $187.9 billion +5.9% and +5.1% in constant currency; operating income +28.8% and +17.4% adjusted in constant currency; global eCommerce +23%; global advertising +38% with Walmart Connect excluding VIZIO +43%; membership fee revenue +17%; gross profit rate +96 basis points and Walmart U.S. +158; Walmart U.S. comp sales +2.6% and operating income +20.6% with operating expenses deleveraged 72 basis points; Sam's Club operating income +44.3% and International +16.6%; ROA 8.0% and ROI 15.4%; free cash flow $5.5 billion; 42.3 million shares repurchased for $5.1 billion year to date; FY27 guidance of 4.0-5.0% net sales growth, 7.0-8.5% adjusted operating income growth and $2.80-$2.87 adjusted EPS — Q2 FY2027 · publ. August 20, 2026 · source ↗
  6. ReportedIn the June 2026 quarter the gross profit rate rose 96 basis points and Walmart U.S. expenses deleveraged 72.
    Walmart second-quarter fiscal 2027 earnings release (Form 8-K exhibit 99.1) - revenue $187.9 billion +5.9% and +5.1% in constant currency; operating income +28.8% and +17.4% adjusted in constant currency; global eCommerce +23%; global advertising +38% with Walmart Connect excluding VIZIO +43%; membership fee revenue +17%; gross profit rate +96 basis points and Walmart U.S. +158; Walmart U.S. comp sales +2.6% and operating income +20.6% with operating expenses deleveraged 72 basis points; Sam's Club operating income +44.3% and International +16.6%; ROA 8.0% and ROI 15.4%; free cash flow $5.5 billion; 42.3 million shares repurchased for $5.1 billion year to date; FY27 guidance of 4.0-5.0% net sales growth, 7.0-8.5% adjusted operating income growth and $2.80-$2.87 adjusted EPS — Q2 FY2027 · publ. August 20, 2026 · source ↗
Sources
Generated September 22, 2026