Company Positioning
Index Exchange and Magnite are leading independent sell-side platforms providing programmatic infrastructure for global media owners. While Index Exchange emphasizes transparent auction dynamics and premium supply curation, Magnite positions itself as an omnichannel powerhouse with a significant stronghold in the CTV and streaming sectors. Both cater to high-volume publishers, but Magnite’s massive scale and unified monetization approach contrast with Index’s focus on identity and addressable deal execution.
Product & Feature Comparison
Both platforms provide core SSP functionality, header bidding management, and identity resolution tools. Index Exchange excels in programmatic auction efficiency and curated deal structures through its robust infrastructure. Conversely, Magnite offers more specialized capabilities in CTV ad serving and streaming-specific monetization, features less prominent in Index's core offering. Magnite’s platform integrates managed demand facilitation more deeply, whereas Index prioritizes streamlined transaction data and addressable audience segments.
Index Exchange
Independent supply-side platform for programmatic monetisation and curated deals.
Magnite
Independent sell-side ad tech platform for publishers and streaming inventory.
Compare their exact ecosystem overlaps.
Explore all deep relationships in Polaris7. Discover exactly which mutual clients, integrated technologies, and overlapping partners Index Exchange and Magnite share across the market ecosystem.