Hexagram is leading in Top 100K Sites.
Open AdExchange has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Shopping, People & Society and 26 other categories.
Hexagram is leading in Adult, Humor, Tourism, Coupons and 3 other categories.
Hexagram is leading in most countries, including United States, Brazil, Russia, Netherlands and 2 other countries.
Open AdExchange is leading in Denmark, Norway, Sweden and United Kingdom.