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

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

RTP is a long-run average, not a session forecast: 96% RTP means a 4% house edge. Volatility describes how wins are spaced and sized. In a short session, results can swing sharply, so you may lose far more—or win more—than the average suggests.