Fixed jackpots are the top payout a video slot offers at any given bet size. For example, if you took a spin on Wilhelm Tell, the jackpot combination is worth 150X. This figure never changes and means you’ll win 150 times the size of your line bet.
A jackpot slot works in a different way. Although there are fixed wins, the top prize/s aren’t based on multipliers. Instead, a small percentage of every bet goes into a communal pot. This pot is available to everyone and is paid out once the winning combination is rolled in.