RTP estimates long-run returns; the house edge is the casino’s expected share....
https://www.pfdbookmark.win/rtp-is-a-long-run-average-not-a-session-promise-96-rtp-means-a-4-house-edge
RTP estimates long-run returns; the house edge is the casino’s expected share. At 96% RTP, it is 4%. Volatility shapes how wins and losses arrive. In a short session, results can swing far from the average; RTP won’t predict your outcome.