RTP (Return to Player)
What is RTP?
RTP (Return to Player) is the theoretical percentage a game pays back to players over a significant number of spins, typically expressed as a percentage. For example, a slot with a 96% RTP will theoretically return $96 for every $100 wagered over the long term, making it a core concept in gambling math.
Key Nuances
- Theoretical Calculation: RTP is calculated over millions of simulations, representing the long-term expected slot payout, not the return for a single play session. Individual session results can vary widely due to variance.
- Inverse of House Edge: RTP is directly related to the casino's advantage. If a game has a 96% RTP, the "House Edge" (the portion the casino expects to keep) is 4%.
- Variable RTP: Some modern online slots allow operators to choose from different RTP settings (e.g., 94%, 96%, or 98%). Players should always check the game's info or help file to confirm the specific RTP setting in play.
Related Terms
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- RNG (Random Number Generator)
The computational algorithm that ensures every spin, deal, or dice roll is completely random and independent.
- The Free Trade & Processing Act (1994)
The landmark legislation passed by Antigua and Barbuda that effectively birthed the online gambling industry.
- Microgaming
The Isle of Man-based software company credited with developing the world's first true online casino software in 1994.
- Aggregator
A B2B software provider that acts as a hub, delivering thousands of games from various studios via a single API.