When you’re looking at online slots, RTP tells you how much you might get back...

https://www.first-bookmarkings.win/when-you-re-playing-online-slots-understanding-rtp-and-volatility-helps-you

When you’re looking at online slots, RTP tells you how much you might get back over time, usually shown as a percentage. Pair that with volatility, which hints at how often and how big wins can be