For example, Bet365 was taken to court for refusing to pay over 1 million in winnings to a horse bettor in Northern Ireland in 2024. The company refused a payout of 54,000 to a customer in England in 2024, a case which was still ongoing in 2024.
Volatility, often called variance or dispersion, is provided by the Game Suppliers. This is used to let players know how often they can expect the slot to pay out, and how big they can expect that payout will be.