OPINION: Four reasons why Indiana sports betting is primed for explosive growth in 2020 Dustin Glouker, PlayIndiana · December 5, 2019 at 9:00 pm Indiana sports betting is still in its early days, yet signs of growth are already appearing. In October alone, we saw $90 million in wagers in the Hoosier state. But sportsbooks in Indiana are only going to get bigger as time goes on. Here’s a look at some of the reasons. The biggest boon to Indiana sports betting is that there is not yet a legal option in Illinois, and therefore no option in Chicago, either. Illinois, of course, passed a law to legalize sports gambling earlier this year, but it’s not yet clear when it will launch. Initial steps toward legal betting are underway, however.