RTP describes long-run returns: 96% RTP means a 4% house edge, not a promise...

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

RTP describes long-run returns: 96% RTP means a 4% house edge, not a promise for your session. Volatility affects how wins and losses arrive. Over a short session, results can vary sharply, and your balance may fall quickly.