Are Prediction Markets Legal in Montana? 2026 Guide

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Last updated: June 2026

Prediction markets in Montana sit under federal regulation by the Commodity Futures Trading Commission, the CFTC, not the state. As of June 2026, Montana is one of the states actively challenging prediction markets, so the picture is contested. Trading often continues while the legal fight plays out, but the situation can change quickly.

Not legal advice. This page is general information only and does not constitute legal advice. Prediction market law is contested and changing month to month. Always check an operator’s own state list before signing up, and consult a qualified lawyer for advice on your situation.

Is Kalshi or Polymarket legal in Montana?

The current status is Contested. Polymarket’s US arm does not operate in Montana, a sign of caution even without headline litigation.

Here is how that breaks down by platform. Kalshi takes the position that it is legal in Montana under federal CFTC authority and generally keeps operating while the state’s challenge plays out in court. Polymarket’s US arm does not currently operate in Montana, taking the cautious route in a contested state.

Why this matters in Montana

Montana does not license its own online casinos, so for some residents a federally regulated prediction market is one of the few legal ways to put real money on an outcome at all. That is the practical reason the legal question gets searched so often: for a lot of people in Montana, this is about access to something they cannot easily get another way.

Whatever the local status, the same federal picture applies underneath. The CFTC regulates these markets nationwide, the platforms hold customer money in segregated accounts, and a bloc of states disputes whether sports event contracts belong to the CFTC or to state gambling law. For the full national map, see our state-by-state legality guide, and for how the oversight works, our CFTC regulation explainer.

Montana prediction market FAQ

Is Kalshi legal in Montana?

Kalshi takes the position that it is legal in Montana under federal CFTC authority and generally keeps operating while the state’s challenge plays out in court. The federal-versus-state question behind it is not fully settled, so confirm on Kalshi when you sign up.

Is Polymarket available in Montana?

Polymarket’s US arm does not currently operate in Montana, taking the cautious route in a contested state.

Are prediction markets gambling in Montana?

Federally they are treated as financial contracts, not gambling, which is the basis for CFTC regulation. In practice a sports contract works like a bet. We unpack that in our guide to whether prediction markets are gambling.

Responsible play. Prediction markets are real-money risk, for adults only, 18 and over, or 21 and over where local law requires. If it stops being fun or you are chasing losses, step away. In the US call or text the National Problem Gambling Helpline at 1-800-MY-RESET. This page is general information, not legal or financial advice.