When you play online slots, the RTP tells you how much you can expect back over...
https://juliet-wiki.win/index.php/Why_Do_Slot_RTPs_Vary_Between_Games%3F
When you play online slots, the RTP tells you how much you can expect back over time—usually around 95-97%. Volatility shows how often and how big wins might be, so low means steady payouts and high means rare but chunky hits