Oracle bets are generated by the community.
This is where all oracle bets can be found: http://xbet.io/categories/oracles. You can also get here on XBet.IO from the "User Bets" tab on the top menu.

You can create one on your own and earn for every bet made on your line!
Becoming an oracle is free, easy and fun. All you need to become an oracle is a BTC address you control.
Becoming and oracle is made through this link http://xbet.io/oracles/join.