The Trade Desk’s share price plunged 67.7% in 2025 after revenue growth slowed to 20% through the first nine months, down from 27% in the same period of 2024. Investors reacted sharply when the company reported that total revenue had increased to $1.95 billion year-to-date, marking a clear deceleration in the high-growth digital advertising segment. This slowdown undermined confidence in the company’s ability to sustain its premium valuation in a rapidly evolving media buying landscape.

Two major forces squeezed The Trade Desk’s market share last year. First, Amazon’s entry into connected TV advertising, including a direct partnership for streaming inventory, challenged The Trade Desk’s core demand-side platform business. Second, AI-driven targeting enhancements deployed by Google and Meta Platforms have made walled-garden ad solutions more efficient, reducing the appeal of independent programmatic platforms. Advertisers reallocated budgets to in-house DSPs that can leverage first-party data at scale, eroding The Trade Desk’s growth runway.

Following the share price collapse, The Trade Desk now has a market capitalization of approximately $18 billion and generated $439 million in net income over the trailing twelve months, yielding a price-to-earnings ratio of 43. While this represents one of the lowest multiples in the company’s history, it still commands a near-double premium to the S&P 500 average P/E. With free cash flow of $320 million over the same period and a $1.4 billion cash balance on the balance sheet, the risk-reward calculus hinges on whether management can reverse the growth slowdown and fend off technology giants in the year ahead.