Lay Betting is the option on Exchanges such as Betfair where punters can play the role of a traditional bookmaker but offering odds to sell a bet instead of the. Lay betting is when you bet on an outcome not to happen. For example, if you placed a bet with us on a horse not to win a race, bet on a football team not to win. Curious about how lay betting works? Come find out all you need to know. What are you waiting for? This could make you a small fortune. Instead of betting for a horse, football team, tennis player or greyhound to win you can also bet they lose. Betfair, e-mail Copy betfair. You can also trade in or out at any time while your event is ongoing on a bet exchange. The darker pink cell is an example of a lay bet. This means that we believe that he WILL NOT win. What is altenburg pyramide betting exchange, you might ask? If you want to lay a bet at 4.