RTP is a long-run average, not a session forecast: 96% RTP means a 4% house...

https://www.romeo-bookmarks.win/rtp-is-a-game-s-long-run-average-return-the-house-edge-is-the-share-it-keeps

RTP is a long-run average, not a session forecast: 96% RTP means a 4% house edge. Volatility describes how wins are spaced and sized. In a short session, results can swing sharply, so you may lose far more—or win more—than the average suggests.