When you play online slots, the RTP tells you how much you can expect back over...

https://www.bust-bookmark.win/when-you-play-online-slots-understanding-rtp-and-volatility-helps-you-know

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—low means frequent small wins, high means rare big ones