Prediction Markets vs Sports Betting: 7 Key Differences
Prediction markets and sports betting look similar on the surface. Both involve real money on real-world outcomes. But structurally they are very different products with different rules, costs, and protections.
1. Regulation
Sports betting: State-licensed by individual gambling commissions. Only legal in states that have explicitly authorized it.
Prediction markets: Federally regulated by the CFTC as derivatives. Available in all 50 states (with limited sports restrictions in 9 states pending litigation).
2. Who You Trade Against
Sports betting: You bet against the sportsbook. The book is the counterparty and profits when you lose.
Prediction markets: You trade against other users on an exchange. The platform takes a fee but does not take the other side of your trade.
3. Fee Structure
Sports betting: Margin embedded in the odds. Standard -110 lines mean ~4.5% vig.
Prediction markets: Explicit fees (Kalshi formula, Robinhood $0.02/contract) or spread-based costs. Often lower than sportsbook vig at scale. See full fees breakdown →
4. Winner Banning Policy
Sports betting: Sportsbooks routinely limit or ban consistent winners.
Prediction markets: Exchanges do not ban winning traders. Liquidity from skilled participants is part of the model.
5. Market Breadth
Sports betting: Sports only.
Prediction markets: Sports plus politics, macroeconomics, crypto, climate, and entertainment.
6. State Availability
Sports betting: Available in ~38 states; banned in California, Texas, Georgia, and others.
Prediction markets: Available nationally; sports contracts restricted in 9 states.
7. Tax Treatment
Sports betting: Reported as gambling income. New 2026 OBBBA rule limits gambling loss deductions to 90%.
Prediction markets: Most tax professionals recommend reporting net gains as ordinary income on Schedule 1, allowing full netting of wins and losses. See tax guide →