RTP is a game’s long-run average return; house edge is the casino’s...

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

RTP is a game’s long-run average return; house edge is the casino’s mathematical share. At 96% RTP, the house edge is 4%. Volatility affects how wins and losses arrive