In terms of market share, Open AdExchange is clearly lagging behind, losing to Spark Studios in all segments.
Open AdExchange has better usage coverage in more websites categories. Including Business & Industry, People & Society, Arts & Entertainment, Shopping and 24 other categories.
Spark Studios is leading in Computer & Electronics, Gambling, Lottery, Games and 13 other categories.
Open AdExchange is leading in most countries, including Denmark, Netherlands, Sweden, Norway and 2 other countries.
Spark Studios is leading in United States, Bulgaria, France, Argentina and one other country.