In order to determine the efficiency and scale benefits of OTT header bidding, a leading agency conducted a head-to-head test of PubMatic’s OpenWrap OTT header bidding wrapper and a tag-based integration from video- and CTV-specialist another SSP that specializes in video and CTV. Both deals were set up via a single Deal ID from the same publisher for testing consistency. PubMatic’s OpenWrap OTT header bidding wrapper outperformed the tag-based integration across all categories for this agency.