In terms of market share, Open AdExchange is clearly lagging behind, losing to Rovion in all segments.
Open AdExchange has better usage coverage in more websites categories. Including Arts & Entertainment, Shopping, People & Society, Marketing & Advertising and 23 other categories.
Rovion is leading in Business & Industry, Business Services, Real Estate, Health and 13 other categories.
Rovion is leading in most countries, including United States, Canada, Spain, Philippines and 2 other countries.
Open AdExchange is leading in Denmark, Norway and Sweden.