RTP is a long-run average, not a session promise: 96% RTP = 4% house edge, or...
https://spark-wiki.win/index.php/How_Can_the_CFA_Institute_Framework_Apply_to_Casino_Math%3F
RTP is a long-run average, not a session promise: 96% RTP = 4% house edge, or £96 returned per £100 wagered over time. Volatility shapes swings; a short session can land far above or below that. Past results don’t predict your next spin.