April 30, 2018

Digital Ad Impression Share Among US Supply-Side Platforms (SSPs), by Auction Type, Dec 2017 & March 2018 (% of total impressions analyzed by Getintent)


This chart shows the share of online ad impressions on US supply-side platforms (SSPs). The data is broken out by type of auction: first-price auction, fair second-price auction and second-price auction with anomalies.


Data was provided to eMarketer by Getintent.


Data is from an April 2018 Getintent RTB auction study. Over 171 billion ad impressions on 39 US supply-side platforms (SSPs) were analyzed during a one-week period in December 2017 and March 2018. Getintent is an AI-powered programmatic platform.