RTP is a long-run average return: 96% RTP means a 4% house edge over time, not...

https://www.quantifiedstrategies.com/rtp-variance-and-expected-value-applying-a-quantitative-framework-to-online-casino-gaming/

RTP is a long-run average return: 96% RTP means a 4% house edge over time, not a session forecast. Volatility shapes how bumpy results can be. Short-run variance means you can lose quickly or win briefly; outcomes may differ widely from the average.