Montana offers sports betting only through the state lottery's Sports Bet Montana app at authorized on-premise locations β there is no open mobile market, and no online casino or poker. Pari-mutuel horse racing via ADW is available. Montana banned sweepstakes casinos under SB 555 (effective October 1, 2025) and has challenged prediction-market sports contracts.
Montana offers sports betting only through the state lottery’s Sports Bet Montana app at authorized on-premise locations β there is no open mobile market, and no online casino or poker. Pari-mutuel horse racing via ADW is available. Montana banned sweepstakes casinos under SB 555 (effective October 1, 2025) and has challenged prediction-market sports contracts.
With no licensed online sportsbook or casino in Montana, the strongest legal pick is Kalshi β CFTC-regulated event contracts (18+) are a real-money way to trade on outcomes that’s available even where sportsbooks aren’t.
For the horses, AmWager‘s 100% match up to $50 (code AMWAGER) is the racing pick.
Best for a new player in Montana: Kalshi, the one regulated real-money option open here.
Pari-mutuel horse racing is legal online through licensed ADW apps in Montana β 18+. AmWager leads our picks on features and value.
See all horse racing sites β
Contested. CFTC-regulated event contracts (Kalshi, Polymarket) are offered under federal law, but Montana has challenged their sports markets and the status here is unresolved. Non-sports contracts generally remain available; treat sports event contracts as a grey area until the courts settle the question.
Banned. Montana banned sweepstakes casinos under SB 555, effective October 1, 2025 β the first explicit state ban of the model, carrying penalties up to $50,000.
Free-to-play social casinos with no cash redemption may still be available for entertainment only.
Statewide mobile sports betting, real-money online casino (slots, table games) and online poker are not legal in Montana, and would require new state legislation to change. Be wary of offshore sites that claim to offer them β they are unlicensed, unregulated, and offer no consumer protection.
Montana’s lottery monopoly shapes everything: there is no path for commercial mobile apps.
No. Montana has no legal statewide mobile sportsbook. Your legal real-money options are CFTC-regulated prediction markets and pari-mutuel horse racing.
No. Neither real-money online casino nor online poker is legal in Montana.
CFTC-regulated event contracts are offered under federal law, but Montana has challenged their sports markets, so the status is contested.
No β sweepstakes casinos are banned or do not operate in this state.
Yes. Pari-mutuel horse racing is legal online through licensed ADW apps such as AmWager and TwinSpires, for players 18+.
Compare what's legal in states bordering Montana.