The odds is 2.06 because his bet type includes 2 condition in able for the bet to win. The bet needs to satisfy both canelo to win and through a decision that's why the odds is above 2.0 even if his pick is Canelo which is teh favorite on this fight. He will lose his bet in case Canelo won via K.O that's why Duelbits puta high odds on this bet.
Duelbits technically betting to GGG but rather they giving a credits that a K.O might happened in the game.