US Programmatic Advertising Forecast and Ad Tech Trends H2 2026

Video, CTV, and Agentic AI Shift Programmatic From Scale to Control

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About This Report
US programmatic advertising is consolidating around video, CTV, walled gardens, retail media, and agentic AI. Marketers need to balance signal, scale, transparency, and control as automated buying enters its next phase.
Table of Contents

US programmatic advertising trends in 2026 center on video, connected TV (CTV), walled gardens, retail media, and agentic AI as marketers rethink media buying and measurement.

Key Question: Where is programmatic growth concentrating, and what should marketers do about an increasingly closed, video- and CTV-led market?

Key Stat: Programmatic direct will dominate overall spend at 76.3% in 2026, but when social is excluded, direct’s share will fall to 50.4%.

Clients can find the full version of this chart later in the report.

authors

Jacob Bourne

Contributors

Rahul Chadha
Director, Report Editing
Tracy Tang
Sakina Thanawala
Copy Editor
Johann Valderrama
Data Visualization Editor
Emman Velasco
Data Visualization Editor
Yoram Wurmser
Principal Analyst
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