Is Kalshi Legal in Missouri (MO)?
Quick Answer
Yes, today — but Missouri has ordered Kalshi to stop. The state attorney general sent Kalshi a cease-and-desist letter on September 18, 2026 demanding it stop offering sports event contracts to Missouri residents without a state license. That is a letter, not a court order: no lawsuit is on file and no order blocks access. Kalshi operates as a CFTC-regulated exchange and argues federal law pre-empts state gaming rules; if the state goes to court, that could change. Verified October 6, 2026 — source.
Last reviewed: October 6, 2026
Prediction Market Availability in Missouri
| Platform | Available | Markets | Notes |
|---|---|---|---|
| Kalshi | Yes | Politics, economics, sports, weather, culture | CFTC-regulated exchange — live statewide; cease-and-desist letter over sports event contracts, no court action yet. |
| DraftKings Predict | Yes | Non-sports event contracts | Offered in Missouri, but not its sports contracts. |
| FanDuel Predicts | No | Sports + financial contracts | Sports contracts not yet in Missouri — financial contracts still accessible. |
| Polymarket | Yes | Politics, crypto, culture | Two venues: Polymarket US (CFTC-designated, USD-settled, live to US traders since Dec 2025, varies by state) and a separate on-chain international book closed to US persons. |
What This Means for Missouri Traders
Because Kalshi is overseen by the Commodity Futures Trading Commission (CFTC) as a Designated Contract Market, its legality doesn't hinge on whether Missouri has licensed sports wagering. Federal commodity regulation pre-empts the state-by-state patchwork, and Missouri disputes that: it has sent Kalshi a cease-and-desist letter over sports event contracts. No court has ruled, so access is unchanged for now.
On Kalshi you take a position by buying a contract priced between 1¢ and 99¢ — each cent represents one percentage point of implied probability. Contracts settle at $1 if the event happens and $0 if it doesn't, and you can exit early at the live market price. Profits are taxable income; Kalshi issues the relevant tax forms for Missouri residents.
Sports-focused products like DraftKings Predict and FanDuel Predicts sports contracts aren't live in Missouri yet. Kalshi remains the widest regulated market set for politics, economics, and weather contracts. Polymarket's international book is closed to US persons; Polymarket US is a separate, narrower venue.
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Kalshi in Missouri — FAQ
Is Kalshi legal in Missouri?
Yes, today. Kalshi operates in Missouri as a CFTC-regulated Designated Contract Market under federal commodity law. The state attorney general sent Kalshi a cease-and-desist letter on September 18, 2026 over sports event contracts, but no lawsuit is on file and no order currently blocks access. You must be 18+ and a verified US resident to open an account.
Is Kalshi legal in MO?
Yes, today. Kalshi operates in Missouri as a CFTC-regulated Designated Contract Market under federal commodity law. The state attorney general sent Kalshi a cease-and-desist letter on September 18, 2026 over sports event contracts, but no lawsuit is on file and no order currently blocks access. You must be 18+ and a verified US resident to open an account.
What prediction markets are available in Missouri?
In Missouri you can access Kalshi. Kalshi offers the broadest market set — politics, economics, sports, and weather and remains live in Missouri under a state cease-and-desist letter. Polymarket US is a separate CFTC-designated exchange with a narrower slate whose state coverage is still expanding.
Do Missouri residents pay taxes on Kalshi profits?
Yes. Net trading profits are taxable income at the federal level, and Missouri applies its own state income tax rules where they exist. Kalshi issues tax forms (such as a 1099) for reportable activity. This is general information, not tax advice — consult a tax professional for your situation.
How is Kalshi different from sports betting in Missouri?
Kalshi is a federally regulated event-contracts exchange, not a sportsbook. You buy and sell contracts that settle at $1 or $0 based on a real-world outcome, and you can exit a position before the event resolves — there is no house setting the line against you. Sports betting in Missouri is licensed separately at the state level. Always trade responsibly.
Can I use DraftKings Predict in Missouri?
Partly. DraftKings Predictions is offered in Missouri, but not its sports contracts. Kalshi covers sports event contracts statewide as a CFTC-regulated alternative, though Missouri has sent it a cease-and-desist letter over them.
How old do I need to be to trade on Kalshi in Missouri?
You must be 18 or older to open a Kalshi account in Missouri. Kalshi requires KYC identity verification at signup — confirming age, identity, and US residency as part of its federal compliance obligations as a CFTC Designated Contract Market.
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Is Kalshi Legal in Your State?
Platform availability can change. Always verify directly with each platform before opening an account. This page is for informational purposes only and does not constitute legal or tax advice.