Walmart Is Priced Like an Ad Company While Two-Thirds of Its Profit Is Still Retail

Walmart has pulled off one of the most successful corporate re-narrations of the decade. The market no longer values it as the low-margin grocer and discounter it has been for sixty years; it values it as a diversified high-margin platform — a retailer with a fast-growing advertising network and a swelling membership business bolted on — and it has awarded the stock a price-to-earnings multiple that would not look out of place on a technology company, roughly double the multiple retailers historically command. The story behind the re-rating is real: Walmart's advertising revenue grew more than 30% globally and its U.S. retail-media arm, Walmart Connect, grew 44%, while membership income climbed double digits, and together those high-margin streams now contribute about a third of operating income. But a third is not the whole, and the other two-thirds is still the thin-margin, slow-growing business of selling groceries and merchandise to American shoppers. When the consolidated company grew adjusted operating income roughly 5% in the quarter, the question the tech-like multiple raises is whether the market has priced the fast-growing third as if it were the entire enterprise — and left no room for the slow-growing rest to disappoint.

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Begin with the genuine transformation, because it is real and Walmart deserves credit for engineering it. In its fiscal first quarter of 2027, ended April 30, 2026, Walmart grew total revenue 7.3% to $177.75 billion, with U.S. comparable sales up 4.1% despite a roughly 100-basis-point headwind from pharmacy pricing legislation. Its global online sales rose 26%. And the part that has captured Wall Street's imagination: advertising revenue grew more than 30% globally, Walmart Connect in the U.S. grew 44% excluding the VIZIO acquisition, membership fee revenue rose 17% across the enterprise, and these high-margin businesses together now account for roughly a third of the company's operating income. Walmart has genuinely built two profitable, fast-growing, high-margin businesses inside the shell of a low-margin retailer, and that is a real and impressive achievement.

But a re-rating is a claim about the future, and a tech multiple on a retailer is a specific and demanding claim. So this essay examines what fraction of Walmart the high-growth story actually represents, what the consolidated numbers say about the company's real growth rate, why retail-media advertising is not the open-ended business a pure ad platform is, and whether the re-rating has priced the exceptional third as though it were the unexceptional whole.

The third that grows fast, and the two-thirds that does not

Start with the proportion, because it is the heart of the matter. The advertising and membership businesses are growing at 17% to 44%, dazzling rates that anchor the bull case. But they contribute about one-third of operating income. The other two-thirds comes from the core retail operation — selling groceries, household goods, apparel, and general merchandise at the thin margins that define discount retail — and that core grows at the pace of a mature retailer: U.S. comparable sales up about 4%, in line with inflation and modest share gains, not the pace of a technology platform.

This is the denominator that the headline growth rates obscure. When a company tells you its advertising business grew 44%, the instinct is to extrapolate that rate across the enterprise and conclude the whole company is compounding at something extraordinary. But 44% growth on a third of operating income, blended with low-single-digit growth on the other two-thirds, produces a consolidated result far closer to the slow number than the fast one — and indeed Walmart's adjusted operating income grew roughly 5% in constant currency in the quarter. A 5% operating-income grower is a fine, durable, defensive business; it is not a technology company, and the gap between the 44% the bulls quote and the 5% the enterprise actually delivered is the gap between the part and the whole. The market has, in effect, taken the multiple appropriate to the fast-growing third and applied it to the entire company, as if the slow-growing two-thirds did not exist or would soon be swept up into the same growth rate. It will not. It is groceries.

There is a useful way to test how much the fast-growing third can really move the whole. Suppose, generously, that Walmart's advertising and membership income keeps compounding at 30% or more for several years while the retail two-thirds plods along at its mid-single-digit pace. Even under that optimistic split, the consolidated operating-income growth rate climbs only gradually, because the slow two-thirds keeps dragging the blended average down, and it takes years of the high-margin third outgrowing the core before the mix shifts enough to lift the whole company's growth rate into the high single digits. In other words, the very arithmetic the bulls rely on guarantees that the transformation, even if it proceeds exactly as hoped, is a slow re-weighting rather than a sudden event — and the market has already paid for the destination today, years before the mix can plausibly arrive there. That is the precise danger of a multiple that runs ahead of the math: it banks the future mix as though it were the present one, and leaves the intervening years with nothing to deliver but the risk that the journey takes longer, or that the high-margin third decelerates before the slow two-thirds is outgrown.

Retail media is a margin layer, not an infinite TAM

The deeper question is what kind of business Walmart's advertising actually is, because the multiple implicitly treats it like a pure-play digital ad platform with an open-ended addressable market. It is not. Walmart Connect is retail media — advertising sold to brands who want to reach shoppers on Walmart's own properties, against Walmart's own retail traffic. That is a genuinely good business, high-margin and fast-growing, but its growth is structurally tethered to two things that are not open-ended: the volume of shoppers Walmart's retail operation attracts, and the total pool of advertising dollars that consumer-goods brands are willing to shift into retail media.

Both of those have ceilings. The advertising can only be sold against the traffic the retail business generates, so the ad network cannot grow faster than its retail host indefinitely — it is a margin layer riding on top of the store and the website, not an independent platform that can scale beyond them. And the retail-media ad market, while expanding rapidly now as brands reallocate budgets from television and search, is a finite reallocation, not an infinite new market: at some point the budgets that were going to move have moved, and retail media's torrid growth decelerates toward the growth of the underlying retail traffic and the brands' total marketing spend. The 44% growth rate is the rate of a young business capturing a one-time budget shift; it is not a rate that compounds forever, and a multiple that assumes it does is pricing the early, steep part of an S-curve as if it were a straight line. When retail media matures — as every fast-growing ad category eventually does — Walmart's high-margin third will grow more like its retail two-thirds, and the rationale for the tech multiple weakens precisely when the company has grown into it.

The re-rating did the work, and re-ratings do not repeat

It is worth being clear about what actually drove Walmart's stock to its current heights, because it changes how an investor should think about the next several years. The dominant driver was not earnings growth — earnings grew at the mid-single-digit pace described above. It was multiple expansion: the market decided Walmart deserved to be valued at a much higher multiple of those earnings than before, on the strength of the advertising-and-membership story, and that re-rating lifted the stock far more than the underlying profit growth did.

The trouble with multiple expansion as a source of returns is that it is a one-time event that cannot repeat and can reverse. A company can go from a 15-times multiple to a 35-times multiple once; it cannot do so again and again, because multiples do not expand to infinity. Once the re-rating has happened, future returns must come from earnings growth and from the multiple at least holding — and if the multiple ever compresses back toward the level a 5%-growing retailer would normally command, the stock can fall sharply even as the business keeps performing. This is the asymmetry buried in a re-rated defensive stock: the good news that justified the re-rating is now in the price, the easy gains from multiple expansion are already harvested, and what remains is a richly valued slow grower with more room to disappoint than to surprise. The bulls who bought the story early were right and were rewarded; the question for a buyer today is whether there is a second act, and second acts of multiple expansion are rare.

The membership comparison that flatters and warns at once

The membership business invites a comparison the bulls love and the skeptics should finish. Walmart's membership fee revenue rose 17% across the enterprise and its membership income now runs at a multi-billion-dollar annual pace, and the obvious template is Costco — the retailer whose entire equity story is that its membership fees, not its retail margin, are the real profit engine, and which the market rewards with a premium multiple for exactly that reason. The bull case is that Walmart is becoming Costco-like: a retailer whose recurring, high-margin membership income deserves to be valued as an annuity rather than as thin retail profit.

But the comparison cuts both ways. Costco's multiple has itself long been a subject of debate — many careful investors regard Costco as a magnificent business trading at a price that already assumes decades of flawless membership growth — so anchoring Walmart's valuation to Costco's is anchoring it to one of the most expensive retailers in the market, not to a cheap one. And Walmart's membership program, while growing fast, is younger, less penetrated, and less central to the customer relationship than Costco's, where membership is the very condition of shopping. Walmart's members can and mostly do shop at Walmart without paying a fee; the membership is an add-on, not a turnstile. So the membership income, real and high-margin as it is, rests on a looser hook than Costco's does, and valuing it at a Costco-like premium imports both the optimism and the fragility of that comparison. The membership flywheel is a genuine asset, but it is not yet the structural, non-optional profit engine that justifies the analogy the re-rating leans on.

What a real ad platform looks like, and why Walmart is not quite one

It is instructive to set Walmart Connect beside the advertising business it is implicitly being valued like — the pure-play digital ad platforms whose multiples Walmart's re-rating borrows. The great advertising businesses sell attention that they own end-to-end: the platform generates the audience, owns the data, controls the inventory, and can expand into new surfaces and formats almost without limit, which is why their growth has compounded for a decade and a half and why the market pays richly for them. Their addressable market is, in effect, all of global advertising, and their marginal cost of serving one more ad is close to zero.

Walmart Connect shares the near-zero marginal cost — that is what makes it high-margin — but it does not share the open-ended audience. Its inventory is its own shoppers, its data is its own transaction history, and its growth is bounded by how many people shop at Walmart and how much of the consumer-goods advertising budget can plausibly be steered toward the point of sale. That is a large and lucrative pool, and retail media is rightly one of the fastest-growing corners of advertising. But it is a bounded pool, refilled by a one-time reallocation of brand budgets, not the unbounded, self-expanding market a pure platform addresses. The distinction matters enormously for valuation, because the multiple a market pays for advertising is largely a function of how long the growth can run — and a business whose ad growth is tethered to its own store traffic has a visibly nearer horizon than one whose ad growth is tethered to the entire world's attention. Pricing the former like the latter is the specific error the re-rating risks.

The consumer that lifted Walmart can also leave

There is a cyclical wrinkle worth naming, because part of Walmart's recent strength is the very thing that makes it vulnerable to mean-reversion. A meaningful piece of Walmart's share gains has come from higher-income households trading down — shoppers who, in an uncertain economy and under the pressure of elevated prices, discovered Walmart's improved assortment, grocery, and e-commerce and shifted spending there. That trade-down is real and it has genuinely lifted comps and traffic, which in turn feeds the advertising business that sells against that traffic.

But trade-down is, by its nature, partly cyclical. If the consumer environment eases and higher-income households' budgets loosen, some of those shoppers drift back toward the premium and specialty retailers they left, and the traffic that lifted both Walmart's comps and its retail-media inventory softens at the margin. The risk is not a collapse — Walmart's value proposition retains plenty of these customers permanently — but the incremental share gains that have powered the recent narrative are partly borrowed from a particular macro moment, and a valuation that extrapolates them as permanent is extrapolating a cyclical tailwind as a structural one. The advertising business, tethered to traffic, would feel that softening twice: once in the retail comps and again in the ad inventory those comps generate. A re-rated stock priced for continued share gains has little cushion if the very consumer conditions that produced the gains begin to normalize.

What the bulls genuinely get right

In fairness, the bull case is strong and the transformation is not a mirage. Walmart is arguably the best-run large retailer in the world, and it is gaining share — including, notably, from higher-income households trading down and discovering its improved assortment and e-commerce. Its online business grew 26% and has reached profitability, a genuine milestone that many doubted a low-margin retailer could achieve against Amazon. The advertising and membership businesses are real, durable, structurally higher-margin, and they meaningfully improve the quality, resilience, and mix of Walmart's earnings — a company whose profit is one-third high-margin services is a genuinely better and more defensible business than one that is purely thin-margin retail, and that improvement deserves some re-rating. The membership-and-advertising flywheel reinforces the retail business and vice versa, a real competitive advantage that smaller retailers cannot easily replicate. And in an uncertain consumer environment, Walmart's scale, value proposition, and execution make it a genuine safe harbor. If retail media keeps compounding and the share gains persist, the company can grow into even a demanding multiple over time.

The honest synthesis is that Walmart has genuinely transformed its earnings mix and earned a higher multiple than its history — and that the market may have extended that re-rating past the point the math supports, pricing a mid-single-digit consolidated grower as though the 44% advertising line were the whole company. The bull is right that the advertising, the membership flywheel, the e-commerce profitability, and the share gains are real and durable. The skeptic notes that two-thirds of the profit is still low-growth retail, that retail media's torrid rate is a one-time budget shift with a ceiling, that the re-rating rather than earnings did the heavy lifting, and that a tech multiple on a 5%-growing grocer leaves remarkably little margin for error.

The kicker

Walmart's reinvention is one of the genuine corporate success stories of the era: it built high-margin advertising and membership businesses inside a discount retailer, reached e-commerce profitability, and gained share across income brackets, and it earned a higher valuation for doing so. But the market has done more than acknowledge the improvement — it has priced the company as though the fast-growing third were the entire enterprise, awarding a technology multiple to a business that grew its consolidated operating income about 5% and still earns two-thirds of its profit selling groceries at razor-thin margins. The advertising is real but ceilinged, the re-rating that drove the stock cannot repeat, and the slow-growing core still sets the pace of the whole. Walmart is a wonderful company and, after the re-rating, an expensive stock — and the distance between those two facts is exactly the distance between admiring the third that grows fast and paying for it as if it were all of Walmart. The transformation is real and the multiple is rich, and an investor buying today is buying mostly the second of those, long after the first already did the work.

The market looked at a grocer that had quietly grown an advertising network and decided to call it a technology company, paying a technology price for a business whose profit is still, in the main, the pennies it earns on bananas and detergent; the advertising third is real and it grows fast, but it grows on traffic the stores generate and budgets that will someday finish moving, and when that day comes the multiple will have to be justified by the two-thirds that has always been, and remains, the patient low-margin work of selling Americans their groceries.