RTP is a long-run average, not a session forecast: 96% RTP means a 4% house...

https://brookssimpressiveop-ed.wordcanopy.com/posts/how-is-casino-volatility-similar-to-portfolio-risk

RTP is a long-run average, not a session forecast: 96% RTP means a 4% house edge over time. Volatility describes how uneven results can be. In a short session, you can lose more—or win more—than the average suggests.