With a $10 billion market cap, The Trade Desk, Inc. (TTD) is a prominent advertising technology company that operates a cloud-based demand-side platform (DSP) used by advertisers and advertising agencies to buy digital advertising inventory across various channels. Headquartered in Ventura, California, the company specializes in programmatic advertising, enabling marketers to use data and automation to purchase targeted digital ads in real time.
Shares of TTD have considerably underperformed the broader market over the past year. TTD has declined 71.4% over this time frame, while the broader S&P 500 Index ($SPX) has rallied nearly 27.4%. In 2026, TTD’s stock plummeted 43.9%, compared to the SPX’s 8.8% YTD rise.