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

https://wiki-room.win/index.php/Variance_vs_Volatility_in_Slots:_Are_They_the_Same_Thing%3F

RTP is a long-run average, not a session forecast: 96% RTP means a 4% house edge. Volatility affects how wins and losses are spaced. Short-run results can swing sharply, so one session may differ greatly from the average.