RTP is the most quoted statistic in gambling and the most widely misunderstood. It is a design specification, not a promise, and it describes the game's behaviour across millions of rounds — not yours.
What 96% actually means
Across the entire population of everyone who ever plays that game, for every $100 staked, roughly $96 is returned as prizes and $4 is not.
That 4% is not a rounding error. It is the entire business model. It is the buildings, the marketing, the licence fees, the bonuses, the affiliate commissions, and the profit. Everything the industry is, is inside that 4%.
Do the arithmetic on your bonus
This is why wagering requirements are a cost. To clear a $500 bonus at 35x you must stake $17,500. At 96% RTP, the expected cost of that turnover is:
4% of $17,500 = about $700.
You are, in expectation, paying $700 to convert a $500 bonus. This arithmetic is not a trick and it is not hidden, but it is never printed next to the offer.
The part the industry prefers you did not know
The same game can have different RTPs. Many slot titles ship in multiple configurations — 96.5%, 94%, 92%, sometimes lower, and the operator chooses which one it deploys. The name is identical, the graphics are identical, the reels are identical. The maths is not.
So the RTP figure to trust is not the one on a review site. It is the one in the game's own information panel, on the site you are actually playing on. Open it and read it. If a game does not display its RTP, that is itself a finding, and we record it — see our guide to what RTP actually means.