The Case For Airbnb Stock Rests On One Thing

Airbnb (ABNB) is spending to grow beyond homes, into hotels, car rentals, and other services. For an owner, the risk is that this spending squeezes profit margins while the stock trades at a premium. Management has not said what margin Airbnb expects for 2027.

Hotels And Car Rentals Are Still Small For Airbnb

Hotels are growing fast, but from a low base. Management said hotel nights are growing about three times faster than homes. Even so, hotels still make up a single-digit percentage of nights booked.

Car rentals and the other services are at an earlier stage still. Management expects car rentals to be the biggest of its newer services by far, and plans to take them global.

Analysts asked about this build on the second-quarter 2026 call. Their questions covered the hotel and services businesses. One analyst also asked how much of any extra margin Airbnb will reinvest rather than keep as profit. That build is where Airbnb's profit margin is at stake.

How Much Margin Does Airbnb Have At Stake?

Airbnb's operating margin is lower than it was a year ago. The margin, the share of revenue left after running costs, was 21% over the past twelve months. A year earlier, it was 23%.

The stock leaves little slack for a lower margin. Airbnb trades at 32.9 times its past year's earnings, against 22.4 for the S&P 500. Management has also raised its 2026 revenue growth outlook to at least the mid-teens. At that multiple, the price appears to assume Airbnb keeps growing without giving up profit.

Each point of margin is real money. On $13.2 billion of revenue over the past year, one point of operating margin is about $132 million of operating profit. Management has given a margin outlook only for 2026, and on a different measure.

Airbnb Has Raised Its 2026 Adjusted EBITDA Margin Floor

Management now expects an adjusted EBITDA margin of at least 35.5% for 2026, up from an earlier outlook of 35%. Adjusted EBITDA margin is a different profit measure from operating margin, so the two cannot be compared directly.

The nearer quarter is softer. Management expects third-quarter 2026 adjusted EBITDA to rise from a year earlier, but its margin to be down slightly. Management put the dip down to the timing of its 2026 investments. Airbnb has also said it will not give a specific guide for 2027 and beyond.

With no specific 2027 outlook on offer, the adjusted EBITDA margin Airbnb reports for 2027 is the figure to watch. A 2027 margin at or above what Airbnb actually reports for 2026 would suggest the build is not squeezing profit further. A lower margin would suggest owners are paying for more of the build out of profit.

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