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 28 other categories.
Spark Studios is leading in Computer & Electronics, Software, Adult, Religion & Spirituality and 13 other categories.
Open AdExchange is leading in most countries, including Denmark, Sweden, United Kingdom, Ukraine and 2 other countries.
Spark Studios is leading in United States, France, Brazil and Indonesia.