Sign Up Bonuses The Sign Up Bonus is one of the most common bonuses offered by sportsbooks. Usually, a sign up bonus is a percentage of your first deposit. Therefore, a deposit of €100 that comes with a 50% sign up bonus means your bankroll begins with €150 as its base amount. Although the Bonus is credited to your account, you should not consider it as your money yet – you have to earn it by betting. Every Sports Book will stipulate a rollover amount in the terms and conditions of the bonus. The rollover amount means that you will have to wager the total amount of the deposit and bonus a specified number of times before the bonus amount is actually yours. For example, if you had to deposit €100 on a Sports Betting site that has a 50% deposit bonus and a 5x rollover requirement, you would have to wager €750 before the bonus is free to withdraw. This means that the 5x play-through is for the total of your deposit and the bonus cash. Only after this bonus is “earned/released” will you be able to withdraw it.