RTP is a long-run average, not a promise for tonight: 96% RTP means a 4% house...

https://wiki-site.win/index.php/How_Do_I_Set_a_Session_Limit_Using_Expected_Loss_Math%3F

RTP is a long-run average, not a promise for tonight: 96% RTP means a 4% house edge over time. Volatility shapes how wins and losses arrive. In a short session, results can differ sharply from the average, and your balance may fall quickly.