Are Prediction Markets Gambling? (2026 Explainer)
Published 2026-06-19 · Last reviewed 2026-09-18
TL;DR
- Legally, CFTC-regulated event contracts are derivatives, not gambling — that's why Kalshi can operate nationwide.
- Economically they share traits with betting: you risk money on uncertain outcomes.
- The key difference is regulation, price discovery, and the ability to sell before resolution.
New to this? Read this first
Prediction markets price events in cents, not odds. Here is the vocabulary used on this page, in plain English.
- Price = probability
- A contract that pays $1 trading at 12¢ means the market thinks there's a 12% chance.
- YES / NO share
- YES pays $1 if it happens. NO pays $1 if it doesn't. You can never lose more than you paid.
- Implied chance
- Just the price read as a percentage. A contract at 14¢ implies a 14% chance.
- Vig
- A built-in margin some venues charge. On prediction markets you pay the spread and fees instead.
- Liquidity
- How much money is in the market. More money means you can get in and out at the price you see.
It's the question everyone asks first: are prediction markets gambling? The honest answer is that it depends on whether you mean legally or economically.
The legal answer: no
CFTC-regulated event contracts — the kind Kalshi lists — are legally classified as derivatives on real-world outcomes, not gambling. That federal classification is exactly why Kalshi can operate in almost every state where sports betting is restricted. See is Kalshi legal.
The economic answer: it's complicated
In practice, you're risking money on an uncertain outcome — that overlaps with betting. The difference is in the mechanics: contracts have a defined settlement value ($1 or $0), prices are set by a market rather than a bookmaker, and you can sell your position before the event resolves.
Why the distinction matters
Regulation means oversight, segregated customer funds, and tax reporting. Price discovery means the market produces a genuinely useful probability estimate — not just a house-set line. And tradeability means you're not locked in until the final whistle.
What it means for you
Treat it like any speculative activity: only commit money you can afford to lose, and understand that "regulated" doesn't mean "risk-free." Gains are generally taxed as income — see Kalshi taxes.
Where to trade these markets
18+ Only. Restrictions and eligibility requirements apply. Not available in all jurisdictions. Trading is risky. 100% loss can occur. See polymarket.com/tos for more information. The Polymarket US App serves as an independent software provider and affiliate of Polymarket US and Polymarket Clearing, the CFTC-regulated exchange and clearing organization.
Certain limitations apply. The offer is available to new users only, subject to the terms and conditions at kalshi.com/tc/500. 18+ only. Restrictions and eligibility requirements apply. Event contract trading involves significant risk and is not appropriate for everyone. Please carefully consider if it is appropriate for you in light of your personal financial circumstances. Kalshi products are not available in all jurisdictions. See kalshi.com/regulatory for more information.
21+. Gambling problem? Call 1-800-GAMBLER.
Want the fundamentals first? Read prediction markets explained or how prediction markets work.
Sources & further reading
- Event Contracts — CFTC consumer advisoryU.S. Commodity Futures Trading Commission (CFTC)
- The Promise of Prediction Markets (Arrow et al., Science, 2008)Science / AAAS
Frequently asked questions
Are prediction markets gambling?
Legally, CFTC-regulated event contracts (like those on Kalshi) are classified as derivatives, not gambling — that's why they operate under federal commodities law instead of state gambling law. Economically they resemble betting because you risk money on uncertain outcomes.
Why aren't prediction markets considered gambling?
Regulated event contracts are treated as financial derivatives on real-world outcomes. They have a clear settlement value ($1 or $0), tradeable prices set by a market, and federal oversight — features that distinguish them from a sportsbook wager.
Is Kalshi gambling?
Kalshi is a CFTC-regulated exchange, and its contracts are legally derivatives, not bets. The practical risk is similar — you can lose money — but the legal and regulatory framework is different from a casino or sportsbook.
Are prediction market winnings taxed like gambling?
Not exactly. Event-contract gains are generally treated as income and reported on 1099 forms, rather than under gambling-winnings rules. Consult a CPA for your situation.
What is a prediction market in one sentence?
A prediction market is an exchange where you buy YES or NO contracts on a real-world event; each contract pays $1 if you are right and $0 if you are wrong, so the price is the crowd's probability.
Can I lose more than I put in?
No. On Kalshi and Polymarket the most you can lose on a contract is what you paid for it — there is no margin call or negative balance like a parlay or a leveraged bet.
Related reading
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