Through November, the state has collected $55.7 million in revenue on overall casino winnings – up 5.5 percent over the amount collected during the same time last year. While the revenue the state has received from sports betting has been modest, overall casino revenue is up for the fiscal year, which began July 1. Mississippi was the third state to offer sports betting after the Supreme Court ruled in May that the federal law banning all states except Nevada from allowing sports gambling was unconstitutional.Įstimates have varied wildly on how much revenue the state would receive from allowing casinos to take bets on sporting events.