What's Going On With The Trade Desk Stock?

For years, The Trade Desk (NASDAQ: TTD) looked almost unstoppable.

The company regularly beat its own guidance, grew revenue at an impressive pace, and maintained customer retention above 95%. Investors rewarded that consistency with a premium valuation, believing The Trade Desk would remain one of the biggest winners as advertising dollars continued shifting online.

Then everything changed. The latest earnings report sent the stock sharply lower, wiping out billions of dollars in market value. The Trade Desk is still growing, remains profitable, and continues to invest heavily in artificial intelligence (AI) and connected TV. So why did investors react so negatively?

The answer has less to do with what happened last quarter than with what investors now believe could happen over the next few years.

Image source: Getty Images.

Investors are becoming pessimistic about its prospects

The latest earnings report disappointed investors for two reasons.

First, revenue came in below Wall Street's expectations. While it still grew by 3% to $715 million, that came short of the company's own targets of at least $750 million. More importantly, management issued guidance indicating a decline in revenue in the third quarter compared with a year earlier.

On their own, those numbers don't make The Trade Desk a weak business. But they do challenge the assumptions that once justified its historical premium valuation. For years, investors believed three things: Revenue would continue to grow rapidly, management would consistently outperform expectations, and competition wouldn't materially alter the company's long-term outlook.

Today, all three assumptions are being tested. That is why the stock has fallen significantly after the earnings release.

Why does this matter?

The debate surrounding The Trade Desk has fundamentally worsened. A year ago, investors were asking how large the company could become. In a market worth north of a trillion dollars, that's a reasonable focus for investors.

Today, they're asking whether it can still grow to justify its premium valuation as a growth stock. After all, the competitive landscape has become much tougher. Amazon continues expanding its advertising business, particularly in connected TV. Google and Meta Platforms continue improving their advertising platforms using AI and vast amounts of first-party data.

Meanwhile, The Trade Desk operates a different model. Rather than owning advertising inventory, it helps advertisers buy media across the open internet. That strategy still offers meaningful advantages, including greater flexibility and transparency. But it also depends on advertisers continuing to spread their budgets across multiple platforms rather than concentrating them within a handful of large ecosystems.

In other words, investors are questioning whether The Trade Desk's business model will remain as attractive going forward, given the rapid changes in the external environment.

What investors should watch next?

The next few quarters will likely offer clues as to whether the company's business model is permanently impaired. The first area to watch is revenue growth. A return to stronger growth would suggest the recent slowdown was temporary rather than structural.

Second, investors should pay close attention to advertiser spending on the platform. If existing customers continue to increase their budgets, it would indicate that The Trade Desk remains highly competitive despite growing pressure from larger rivals.

Finally, the adtech company needs to keep delivering measurable improvements for advertisers. If AI helps brands generate better returns while simplifying the complexity of buying ads across the open internet, it could strengthen The Trade Desk's competitive position over time.

What does it mean for investors?

The latest earnings report probably won't determine where The Trade Desk trades five years from now. What matters is whether this quarter marks the beginning of a new normal -- or simply a temporary slowdown.

If growth begins accelerating again over the next few quarters, today's sell-off could eventually look like an overreaction. If not, investors may conclude that The Trade Desk has entered a different phase of its life -- one where steady execution matters more than rapid expansion.

That's why the next few earnings reports matter. They won't just tell investors how The Trade Desk performed. They'll tell investors what kind of company it's becoming in the coming years.

Lawrence Nga has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Amazon, Meta Platforms, and The Trade Desk. The Motley Fool has a disclosure policy.