A deposit bonus is a type of promotion that bookmakers have to incentivise new and existing customers. With it, an online bookmaker matches the deposit you make. Sometimes, a sportsbook will match 100% of your deposit, meaning you will play with twice as much money. Other times, however, a bookmaker will only equal 30% or 50% of your deposit. As a rule of thumb, most welcome promos match 100% or more of your first deposit. Reload bonus offers, on the other hand, usually match only a portion of your ...