RTP describes the share a game is designed to return over time; 96% RTP means a...

https://marcoscooljournals.lowescouponn.com/what-does-risk-adjusted-return-even-mean-for-gambling

RTP describes the share a game is designed to return over time; 96% RTP means a 4% house edge on average. Volatility affects how wins and losses are spaced. A short session can vary widely, so actual results may be far from the average.