The 6-3 decision worked to strike down the 1992 Professional and Amateur Sports Protection Act, which barred state-sanctioned sports betting, except for in a handful of states.

The court’s decision, one research firm says, will likely lead to 32 states offering sports betting within the next half a decade, according to the Associated Press. A researcher also told the news agency that legal sports betting could end up being more than a $57bn annual market, and that the Monday decision is likely to lead to near-term positive effects.