Prediction Markets in Mississippi

Mississippi's Established Casino-Based Sports Betting Market

Mississippi has 25+ licensed casinos operating retail sportsbooks, primarily clustered on the Gulf Coast (Biloxi, Gulfport) and along the Mississippi River (Tunica, Vicksburg, Greenville). Major operators include MGM Resorts (Beau Rivage in Biloxi), Penn Entertainment (Hollywood and 1st Jackpot), Boyd Gaming (IP Casino, Sam's Town), and Caesars (Horseshoe Tunica).

The state imposes an 8% tax on sports betting gross gaming revenue plus a 4% local tax. Total state and local sports betting tax revenue is modest — typically $5-7M per year — primarily because the on-property mobile restriction keeps overall handle low compared to states with off-premises mobile betting.

This established casino framework is why the MGC has taken a strong enforcement stance: prediction markets bypass the casino licensure and tax framework while serving the same consumer demand.

What Mississippi Residents Can Trade Right Now

Despite the MGC enforcement action, Mississippi residents 18+ currently have full access to the prediction market catalog because no court has ordered platforms to geofence MS residents:

• NFL, NBA, MLB, NHL, college football, college basketball — full sports contract catalog including New Orleans Saints (popular regionally given the Mississippi-Louisiana cultural proximity), Mississippi State Bulldogs, Ole Miss Rebels, and SEC↗ (opens in a new tab) conference markets
• Politics — 2026 midterms, 2028 presidential, congressional control, individual federal and state races
• Economic data, crypto, culture, and weather — full catalog

SEC↗ (opens in a new tab) football generates particularly strong MS-resident engagement on Kalshi, with Mississippi State and Ole Miss markets active throughout the fall season.

Risk Considerations for Mississippi Traders

1. A future federal or state court ruling could force platforms to geofence MS sports markets similar to Nevada's situation.
2. Open positions could be affected. If platforms are forced to suspend MS accounts mid-event, contracts may be settled at last traded price, voided, or held until resolution per the platform's terms.
3. Tax obligations apply regardless. Mississippi has a graduated state income tax with a top rate of 4.4%. Net gains are reportable.
4. VPN use does not work and is prohibited. Geofencing is enforced via IP and device location.

Best Platforms for Mississippi Residents

OG.com is our top pick for Mississippi in 2026. Crypto.com's CFTC-regulated sports-first prediction market combines a 4-leg parlay builder, social trading feed, and live in-game contracts — and new traders can trade $25 and get $50 in rewards with code RANKPREDICTS. Kalshi remains a strong runner-up for the deepest non-sports catalog and lowest published fees.

Polymarket US offers strong politics and crypto liquidity and is not subject to active MS enforcement litigation.

Robinhood provides Kalshi-routed contracts in the familiar Robinhood app for existing MS brokerage users.

DraftKings Predictions and FanDuel Predicts are particularly relevant in Mississippi because both companies' sportsbooks are not available off-premises in MS. The Predictions products give MS residents a sportsbook-style mobile interface for event contracts without needing to visit a casino.

How MS Compares to Neighboring States

• Alabama: Available (as of October 3, 2026)
• Arkansas: Available (as of October 3, 2026)
• Louisiana: Available (as of October 3, 2026)
• Tennessee: Available, dispute pending (as of October 3, 2026)

Tax Considerations for Mississippi Residents

Mississippi has a graduated state income tax with a top rate of 4.4% (after recent tax reform reducing the rate from prior levels). Net gains from prediction market trading are taxable federally (the IRS↗ (opens in a new tab) hasn't said how event contracts are classified) plus the MS state rate. Kalshi provides a profit-and-loss statement for your trades; platforms' 1099s mainly cover interest, rewards and crypto transfers.

Notably, Mississippi treats casino gambling winnings differently — state casino winnings are subject to a separate 3% non-refundable state withholding at the casino. Prediction market gains do not trigger this casino-specific withholding because they're not casino winnings rather than state gaming reporting (W-2G/state withholding).

What could change the status

Dates we are watching: Nevada's responses to the Robinhood and Crypto.com Supreme Court petitions are now due November 13 and 16, 2026 (both extended in October), and Kalshi's response to New Jersey's petition is due November 9, 2026 (deadlines can be extended); the earliest the Supreme Court could act on the petitions is a conference in December 2026 or January 2027 (our estimate, not a scheduled date). We re-check this page when any of these happen and log the change above.

Best Platforms Compared

Status in Mississippi as of October 3, 2026

Platform	Status	Why (source)	Welcome offer in Mississippi
Kalshi	Available	Kalshi accepts Mississippi residents; no court ruling or state enforcement action on prediction markets in Mississippi was found in our legal timeline. (source (opens in a new tab))	Valid: Trade $25 and Get $25!
Polymarket US	Available	Polymarket US accepts Mississippi residents; no court ruling or state enforcement action on prediction markets in Mississippi was found in our legal timeline. (source (opens in a new tab))	Valid: Deposit $10 get a $25 Trading Bonus!
ProphetX	Available	ProphetX accepts Mississippi residents; no court ruling or state enforcement action on prediction markets in Mississippi was found in our legal timeline. (source (opens in a new tab))	Valid: Trade $50, Earn $75!
OG (by Crypto.com)	Available	OG accepts Mississippi residents; no court ruling or state enforcement action on prediction markets in Mississippi was found in our legal timeline. (source (opens in a new tab))	Valid: Trade $25 Get $50 in Rewards! (New users only)
Novig	Available	Novig accepts Mississippi residents; no court ruling or state enforcement action on prediction markets in Mississippi was found in our legal timeline. (source (opens in a new tab))	Valid: Deposit $10 Get $50 in Trade Credits!
Rebet	Available	Rebet is a sweepstakes app, not a CFTC-regulated exchange; its sweepstakes rules include Mississippi. (source (opens in a new tab))	Valid: Get a 100% purchase match up to $100!

What changed (newest first)

• Sep 25, 2026 (federal) — Sixth Circuit rules against Kalshi in Ohio and Tennessee appeals. Source: U.S. Court of Appeals for the Sixth Circuit (opinion, Nos. 26-3196/26-5235) (opens in a new tab)
• Sep 11, 2026 (federal) — Crypto.com asks Supreme Court to review Ninth Circuit ruling (No. 26-344). Source: Supreme Court of the United States, docket No. 26-344 (opens in a new tab)
• Sep 10, 2026 (federal) — Kalshi seeks Ninth Circuit rehearing; Robinhood petitions Supreme Court. Source: Sports Betting Dime (opens in a new tab)
• Sep 2, 2026 (federal) — New Jersey asks U.S. Supreme Court to review Kalshi preemption ruling. Source: New Jersey Office of the Attorney General (opens in a new tab)
• Aug 28, 2026 (federal) — Ninth Circuit rules for Nevada regulators in Kalshi case. Source: U.S. Court of Appeals for the Ninth Circuit (opinion, No. 25-7516) (opens in a new tab)
• Apr 6, 2026 (federal) — Third Circuit sides with Kalshi against New Jersey regulators. Source: U.S. Court of Appeals for the Third Circuit (opinion, No. 25-1922) (opens in a new tab)

_No Mississippi-specific entry is in the legal timeline; the list shows the federal rulings and Supreme Court petitions that shape the national picture._

Prediction markets in other states

• Alaska
• California
• Colorado
• Connecticut
• Florida
• Hawaii
• Illinois
• Kansas
• Maryland
• Massachusetts
• Minnesota
• Nebraska
• New Hampshire
• New Jersey
• New York
• North Dakota
• Oregon
• Pennsylvania
• Rhode Island
• Texas
• Utah
• Vermont
• Virginia
• Washington
• Wyoming
• Alabama
• Arizona
• Arkansas
• Delaware
• Georgia
• Idaho
• Indiana
• Iowa
• Kentucky
• Louisiana
• Maine
• Michigan
• Mississippi
• Missouri
• Montana
• Nevada
• New Mexico
• North Carolina
• Ohio
• Oklahoma
• Puerto Rico
• South Carolina
• South Dakota
• Tennessee
• Washington DC
• West Virginia
• Wisconsin

§ References & Sources

1. Commodity Futures Trading Commission (CFTC) (opens in a new tab)— U.S. federal regulator
2. CFTC Designated Contract Markets list (opens in a new tab)— CFTC
3. 26 U.S. Code § 1256 — Section 1256 contracts marked to market (opens in a new tab)— Cornell Law / U.S. Code
4. IRS Form 6781 — Gains and Losses From Section 1256 Contracts (opens in a new tab)— Internal Revenue Service
5. National Council on Problem Gambling — 1-800-GAMBLER (opens in a new tab)— NCPG

Frequently asked questions

Are prediction markets legal in Mississippi?

We don't give legal verdicts, but here is the status as of October 3, 2026: Kalshi, Polymarket US, ProphetX, OG and Novig: Available. No court ruling or state enforcement action on prediction markets in Mississippi was found in the legal timeline (absence is not proof). Nationally, federal appeals courts are split on sports event contracts, all at the preliminary-injunction stage, and three Supreme Court petitions are pending; none has been granted.

Can I use Kalshi in Mississippi?

Status as of October 3, 2026: Available. Kalshi accepts Mississippi residents; no court ruling or state enforcement action on prediction markets in Mississippi was found in our legal timeline. Kalshi's welcome offer (Trade $25 and Get $25!) applies to Mississippi residents. Kalshi's minimum age is 18; we recommend 21+.

Has Mississippi taken action against prediction markets?

Our legal timeline has no court ruling or state enforcement action on prediction markets in Mississippi (that is not proof none exists). No federal appeals court covering Mississippi has ruled on sports event contracts.

What could change the status in Mississippi?

Dates we are watching: Nevada's responses to the Robinhood and Crypto.com Supreme Court petitions are now due November 13 and 16, 2026 (both extended in October), and Kalshi's response to New Jersey's petition is due November 9, 2026 (deadlines can be extended); the earliest the Supreme Court could act on the petitions is a conference in December 2026 or January 2027 (our estimate, not a scheduled date). We re-check this page when any of these happen and log the change above.