Costco Nears $300 Billion in Sales. Its Roughly 50x Price Is the Real Story

Costco Wholesale just crossed the last stretch toward a round number: fiscal 2026 net sales came in at $297.3 billion, up 10.2% from $269.9 billion a year earlier. One growth year from now, the chain that sells $1.50 hot dogs and $5 rotisserie chickens will be a $300-billion-revenue company. That milestone is real and the business behind it is genuinely strong. It is also exactly the kind of number that makes investors stop asking the only question that matters: how much are we paying for the growth we can already see?

Start with the machine, because it earns the premium. Costco does not make its money the way most retailers do. It keeps merchandise margins razor-thin and charges members for the privilege of shopping there. In fiscal 2025 the company collected $5.3 billion in membership fees against $8.1 billion in net income — the membership annuity alone covered about two-thirds of reported profit. That structure produces unusually high returns on capital, near 23%, and cash that is not an accounting trick: free cash flow of roughly $8.8 billion over the last twelve months, up about 20% year over year. This is a compounder converting sales into cash at a rate most retailers cannot touch.

Now the price. The market values Costco at about $412 billion, which works out to roughly 51 times fiscal-2025 earnings, in the mid-to-high 40s on trailing twelve-month earnings, and close to 29 times EBITDA. Do the same arithmetic on cash instead of earnings and the picture does not soften: a $412 billion price tag against $8.8 billion of free cash flow is a free-cash-flow yield of about 2%. Wall Street's aggregate signal is still Buy, and Bank of America holds a $1,200 target that implies roughly 29% upside from recent levels. That is not a warning by itself — the company deserves a premium. But a 2% FCF yield means the market has already written the next several years of improvement into the price. "More upside" here is the market paying up for growth it already expects, not a beaten-down stock repricing on a surprise.

That is the tension worth naming clearly. This is not the setup this analysis normally hunts for. The playbook that works — a business the crowd has given up on while the operating numbers quietly improve — is the inverse of what Costco offers. Nobody has given up on Costco. Expectations are high, not reset. So the relevant question is not whether the company is great; it is whether the trajectory keeps accelerating enough to justify what a 50-times-earnings, 2%-FCF-yield stock demands.

That is where the honest caveat sits, and the bulls themselves put their finger on it. Comparable sales — the growth rate of stores open at least a year, excluding gasoline and currency swings — ran about 5.6% in August and 6.6% across fiscal 2026. That is solid, but it is a slower gear than the double-digit, inflation-fueled growth of a few years ago, and the timing of Labor Day shaved a bit more off the month. It also marks the open question Bank of America flags: whether same-store growth reaccelerates as the year progresses. For most companies, mid-single-digit comps at a reasonable multiple would be fine. At this multiple, the stock needs the reacceleration to show up, because the price already assumes it.

Note what would break the case, so the risk is concrete and not vague. The bear argument is not that Costco's business is deteriorating — it is not. It is that a stock trading at roughly 51 times earnings and 29 times EBITDA has a long way down if growth merely holds steady rather than accelerating, or if a softening consumer dented membership trends. If comps keep decelerating into next year or membership-fee growth stalls, the multiple compresses regardless of how "fine" the underlying business is. That is the condition to watch, and it is the same condition the bulls name as their own key question.

The $300 billion milestone is a great story and a true one. But a round-number revenue marker changes none of the underlying economics — Costco was an excellent cash-generating franchise at $250 billion and is the same business at $297 billion. Paying 50 times earnings for that excellence is a bet that the reacceleration arrives. Not a bad bet, given the machine. But it is a bet on the price catching up to the story, and both the risk and the reward flow through that single variable: whether same-store growth accelerates or keeps grinding lower. That is the difference between a great business and a great entry, and with this stock, the two have not been the same thing for a while.