Can Audio Advertising Become Trade Desk's Next Big Growth Driver?

The Trade Desk (TTD) is strategically expanding into audio advertising as a key growth vector beyond connected TV, with audio currently representing 5% of its business and poised for significant expansion. Its AI-powered Kokai platform is driving substantial performance gains in audio campaigns, enhancing efficiency and reach, while OpenPath and OpenAds improve market transparency. Despite these advancements, TTD faces formidable competition from Amazon's rapidly growing DSP business, which posted $17.6 billion in Q3 ad revenue, and from Magnite's strong CTV-driven SSP growth. TTD's shares have recently underperformed, declining 13.6% against an industry rise, though its 2025 earnings estimates have seen marginal upward revisions.

Analysis

The Trade Desk (TTD) is strategically diversifying its top-line growth beyond Connected TV (CTV) by emphasizing audio advertising, which currently constitutes 5% of its business and is projected to increase. Its AI-powered Kokai platform is a key catalyst, demonstrating significant performance improvements with 26% better cost per acquisition and a 94% higher click-through rate compared to its predecessor, Solimar. This platform, adopted by 85% of clients, enhances TTD's competitive moat and was instrumental in Bayer's omnichannel campaign achieving a 15% incremental reach.

Despite TTD's technological advancements and transparency initiatives like OpenPath, the company faces intense competition in the digital ad space. Amazon's Demand-Side Platform (DSP) business is rapidly expanding, reporting $17.6 billion in Q3 revenues, a 22% year-over-year increase, and leveraging integrations with Spotify and SiriusXM to reach over 560 million digital listeners. Independent ad-tech firm Magnite also poses a challenge, with its Q3 revenues growing 11% year-over-year to $179 million, driven by strong CTV performance and a robust 34% adjusted EBITDA margin.

TTD's stock performance has lagged recently, with shares declining 13.6% over the past month against an industry rise of 16.5%. However, its forward price/earnings ratio of 21.3x is lower than the Internet Services industry average of 26.97x, suggesting a potentially more attractive valuation. Furthermore, Zacks Consensus Estimates for TTD's 2025 earnings have seen marginal upward revisions over the last 60 days, indicating some positive analyst sentiment despite recent stock underperformance.

Key Decisions for Investors

• Monitor TTD's audio advertising segment growth and Kokai platform adoption rates for signs of successful diversification and competitive advantage.
• Evaluate the impact of increasing competition from Amazon and Magnite on TTD's market share and pricing power, particularly in the DSP and CTV sectors.
• Consider TTD's valuation relative to its industry peers, noting its lower forward P/E, but remain cautious given recent stock underperformance and a neutral Zacks Rank.