RTP is a long-run average; the house edge is the casino’s share: 96% RTP = 4%...
https://marcoscooljournals.lowescouponn.com/what-does-risk-adjusted-return-even-mean-for-gambling
RTP is a long-run average; the house edge is the casino’s share: 96% RTP = 4% house edge. Volatility affects how wins and losses arrive. In a short session, results can swing widely—the average is no promise of what you’ll get.