WBX closed its betting exchange on 16/03/ The website is now unavailable for login. WBX® and the WBX "X" Logo are registered trade marks of World Bet. Keith Ho BetXchange offers the latest results, great odds and simply the best service in the world. Enjoy live in play and special bets on offer. A betting exchange is a marketplace for customers to bet on the outcome of discrete events. Betting exchanges offer the same opportunities to bet as a.