Understanding RTP in Online Slots: Your Guide to Better Odds What Is RTP and Why It Matters Return to Player, or RTP, is one of the most important metrics in online slots gaming. This percentage represents how much of all wagered money a slot machine returns to players over time. If a game has a 96% RTP, it theoretically returns $96 for every $100 wagered, meaning the house keeps 4%. How RTP Affects Your...