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

https://paxtonsexpertop-ed.zenbloomer.com/posts/variance-vs-volatility-in-slots-are-they-the-same-thing

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. A short session can swing sharply either way, so results may differ widely from the average.