All forms of online gambling in Montana are illegal The state’s law includes sweepstakes casinos and prediction markets Any person or business operating an unregulated, unlicensed online gambling platform in Montana is now subject to felony charges after Senate Bill 555 went into effect. An entrance into Glacier National Park in Montana. All forms of online gambling and betting, including sweepstakes casinos and prediction markets, are now illegal under Montana law. (Image: Shutterstock) Passed by the Montana Legislature in April and signed by Gov. Greg Gianforte (R) the following month, SB555 bans all forms of internet gambling, including online casinos and sports betting. The statute expands the definition of internet gambling to include “online casinos, by whatever name known, which constitute internet gambling and therefore are prohibited. This includes but is not limited to any platform, website, or application that knowingly transmits or receives gambling information, allows consumers to place a bet or wager using any form of currency, and…Read MoreCategory: illegal gambling, Kalshi, Montana, online gambling, prediction market, sweeps, sweepstakes, wagering exchangeSource: Casino.org