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

https://cashsexpertinsight.talesignal.com/posts/why-do-people-confuse-volatility-with-rtp

RTP is a long-run average, not a session forecast: 96% RTP means a 4% house edge per amount wagered over time. Volatility shapes how uneven results can be. In a short session, wins or losses can differ sharply from the average.