RTP (Return to Player) is the percentage of all money wagered on a slot that the game is designed to pay back to players over a very large number of spins — theoretically millions. It is a statistical average calculated over the long run, not a guarantee for any individual session, hour, or even day of play.
What a 96% RTP actually means
A slot with 96% RTP is mathematically designed to return $96 for every $100 wagered, averaged across an enormous number of spins from every player who plays it. It says nothing about what happens in the next 100 spins you personally make — you could lose everything or hit a large win regardless of the long-run average.
RTP is not the same as your odds of winning
A slot can have a solid RTP and still feel like it rarely pays out, because of volatility (how it distributes those payouts) — see our volatility guide for how the two work together. RTP tells you the size of the pie over time; volatility tells you how that pie gets sliced.
Where RTP figures come from
Reputable slot providers publish theoretical RTP figures, usually independently tested by licensed gaming labs. Some online casinos configure adjustable-RTP slots to run at a lower setting than the game's maximum — where this is disclosed, it's worth checking the specific RTP shown in that casino's game info, not just the provider's headline figure.
How to actually use RTP
Use it as one comparison factor among several — game library, provider reputation, and your own volatility preference all matter too. A slot with a slightly lower RTP but volatility that matches how you actually want to play can be a better fit than chasing the highest RTP number alone.