A slot machine with a 95% RTP, for instance, should theoretically return $95 for every $100 bet. The Significance of Variability. The risk associated with playing a specrummy junglee downloadific slot game is referred to as volatility (or variance). Slot machines with low volatility typically give out more frequent but smaller wins, whereas slots with high volatility sometimes have fewer wins but higher possible payouts. Knowing a slot game's volatility can help you determine if it fits your playing style & risk tolerance.