The ANA's Programmatic Media Supply Chain Transparency Study focused on the open web ad market and did not address the opportunity of walled gardens. It included 21 marketers and 12 supply chain companies, and tracked $123 million in total ad spend with 35.5 billion impressions between September 2022 and January 2023.
Around $0.29 goes toward fees to ad-tech intermediaries. Another $0.35 goes to low-quality media, including invalid traffic (IVT) and made-for-advertising (MFA), non-viewable and non-measurable inventory. While most supply-side platforms (SSPs) took less than 5% of the ad spend, one SSP in the study took close to 45 percent of media spend.
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