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, Arts & Entertainment, Shopping, People & Society and 26 other categories.
Spark Studios is leading in Computer & Electronics, Games, Software, Video Games and 12 other categories.
Open AdExchange is leading in most countries, including Denmark, Norway, Sweden, Canada and 8 other countries.
Spark Studios is leading in United States, Great Britain, Saint Helena, Russia and 4 other countries.