BookmakerExchangeUnlike traditional bookmakers where traders set the odds, betting exchanges are a marketplace for bettors to buy (back) and sell (lay) the outcome, trading in real-time against each other.Quota in CaloQuota in SalitaSi1.51.5No2.52.5Yes Vedi tutte le quote (1)1.5No Vedi tutte le quote (1)2.5