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What Is a Prediction Market? How It Works and Compares to Betting

  • You trade contracts tied to an outcome.
  • A 65-cent price implies roughly a 65% probability.
  • Prices change as traders react to new information.
  • Market prices are estimates, not guarantees.
Jasper George

Jasper George

Last updated 8/29/2026

A prediction market lets people trade contracts tied to real-world outcomes. Its prices reflect the crowd’s implied probability, while sportsbook odds typically come from a bookmaker. Prediction markets turn real-world outcomes into tradable contracts. A “Yes” contract priced at $0.65 suggests a 65% probability and settles at $1 if correct or $0 if not. The activity risks real money like gambling, although some platforms operate through CFTC-regulated exchanges.

Table of contents

  1. 1.What Exactly Is a Prediction Market?
  2. 2.Which Are the Biggest Providers Right Now?
  3. 3.How Does a Prediction Market Actually Work, Step by Step?
  4. 4.Prediction Market vs. Sports Betting: What’s the Real Difference?
  5. 5.Is It Legal to Use a Prediction Market in the US?
  6. 6.Flashscore Advantage

What Exactly Is a Prediction Market?

At its simplest, it’s a market where people buy and sell contracts tied to a specific real-world outcome.

Most yes-or-no contracts are priced somewhere between one cent and one dollar. Some markets show the same idea on a 0-to-100 scale. See one priced at $0.65? The market is putting the outcome at roughly 65%.

If the stated event happens, the “Yes” contract settles at its maximum value. If it does not, the contract settles at zero.

That price can move before settlement as buyers and sellers react to new information. It reflects the market’s collective view at that moment, not a guaranteed forecast.

Which Are the Biggest Providers Right Now?

Prediction markets now include dedicated exchanges as well as event-contract products from familiar finance and betting brands. Some of the well-known prediction market platforms and products:

Sports, economics, weather, culture, politics, and finance give Kalshi more range than a normal sportsbook. I found the interface clear once the Yes/No logic clicked, but there is still a real learning curve. Funding support looks broader than many readers expect, but fees still need checking market by market. Kalshi is one of the strongest U.S. prediction markets I reviewed, though it feels built more for traders than traditional bettors.

  • Regulated exchange positioning built around U.S. event contracts
  • Dollar-based pricing that is straightforward to interpret
  • Markets covering economics, politics, weather, culture, and sports
  • Clear Yes and No structure for many beginner-friendly contracts
  • Sports-related contracts may face changing legal or regulatory disputes
  • Niche events can have thinner liquidity than headline markets
Gambling Commission
Flashscore approved
21+ Gambling Problem? CALL 1-800-GAMBLER. New Users Only. T&Cs apply
Prediction is an event contract that is a derivatives product offered by North American Derivatives Exchange, Inc. (NADEX), a CFTC-regulated exchange, which does business under the brand OG.com Prediction Markets (OG.com) and uses OG.com technology. Trading on OG.com involves risk and may not be appropriate for all.
21+ Gambling Problem? CALL 1-800-GAMBLER. New Users Only. Make predictions on sports, politics and more. Trade $25 to unlock. T&Cs apply

How Does a Prediction Market Actually Work, Step by Step?

A prediction-market trade has three basic stages. You choose an outcome, buy contracts at the current price, then sell before resolution or hold until settlement.

Suppose you buy “Yes” at $0.65:

1.

Buy the Contract

Pay $0.65 per contract.

2.

Wait for Settlement

If the event happens, the contract settles at $1.00.

3.

Calculate Your Profit

You make $0.35 per share before applicable fees ($1.00 − $0.65).

4.

If the Event Doesn't Happen

The contract settles at $0.00, so the $0.65 cost is lost.

Who are you trading against? Other market participants take the opposite side while the platform facilitates trading and may charge a fee.

How Are the Prices and Probabilities Determined?

The current contract price represents the market’s live collective estimate of an outcome’s probability. A $0.65 “Yes” price therefore implies roughly a 65% chance.

New information can move buyers, sellers, and prices quickly. You may also sell a position before settlement as your view changes. 

Prediction Market vs. Sports Betting: What’s the Real Difference?

Both prediction markets and sportsbooks involve risking money on an outcome nobody knows yet. Prediction markets revolve around tradable contracts between market participants, while sportsbooks offer wagers at odds set by the book.

FeaturePrediction MarketTraditional Sports Betting

Pricing source

Buyers and sellers shape prices

Bookmaker sets odds

Position structure

Tradable event contract

Wager at offered odds

Counterparty model

Other market participants

Sportsbook house

Live movement

Trading moves the market price

Sportsbook updates its odds

Before resolution

Position can usually be sold

Wager is not freely traded as a contract

Real-money risk

Yes

Yes

Why might the prediction-market structure appeal to some users? It offers several distinctive features:

None of those features guarantees better forecasts, easier profits, lower risk, or stronger consumer protection.

Is a Prediction Market Just Gambling?

Functionally, prediction markets share core gambling characteristics. You put real money at risk on an uncertain outcome, and you can lose what you spend.

Legally and structurally, however, some prediction markets are organized around event contracts regulated as derivatives rather than conventional sportsbook wagers. The CFTC says event contracts are typically structured as swaps.

That distinction remains disputed:

  • Supporters point to tradable contracts, market-driven pricing, and their use as forecasting tools.
  • State regulators have argued that some sports event contracts constitute wagering.
  • Consumer advocates see it differently, too. Their concern is that real-money markets may still warrant protections commonly associated with gambling.

However the activity is described, a losing position can still cost you real money.

Is It Legal to Use a Prediction Market in the US?

There’s no single US-wide yes or no. Whether you can use a prediction market may depend on the platform, the contract itself, how it’s regulated, and where you live.

Some event contracts trade on CFTC-regulated exchanges under federal commodities and derivatives law. That’s different from the state licensing system used for ordinary sportsbooks, but the line between the two is contested. State regulators have challenged some sports-related contracts, while consumer advocates have called for stronger gambling-style protections.

Before using a market, check three things:

  • Who regulates the platform
  • Whether that contract is available where you live
  • What fees, limits, and settlement rules apply

Seeing a contract online doesn’t mean every market is permitted everywhere.

Flashscore Advantage

Prediction markets show what the crowd believes. Flashscore helps you follow the information that can push those probabilities around.

During a game, you can track:

  • Real-time match statistics
  • Odds comparisons

Why does that matter? A goal, scoring run, or sudden shift in the numbers can change expectations quickly. Flashscore gives you another information layer to follow, not a guarantee of what happens next.

Follow live scores, statistics, and odds comparisons with Flashscore to see the information behind changing market probabilities.

FAQ

What is meant by a prediction market?

It’s a market for trading contracts tied to future outcomes. If “Yes” sells for 65 cents, traders currently see about a 65% chance of it happening.

Which prediction market platforms are best known?

Kalshi and Polymarket are two of the most recognizable names. Robinhood, Coinbase, FanDuel, and DraftKings have prediction products as well, although access varies by location.

Are prediction markets legal in the US?

For users, sometimes — but not every contract is offered everywhere. Starting a real-money exchange is a separate matter and requires regulatory approval.

How do prediction markets compare with sportsbooks?

A sportsbook posts its odds and takes the wager. In a prediction market, traders move the price, and a contract can often be sold before the result is known.

Where can you find the best prediction market price?

No platform stays ahead permanently. Check the same event across several markets, paying attention to the contract rules, fees, and available liquidity.

Who oversees US prediction markets?

The CFTC oversees registered event-contract markets at the federal level. Some states claim jurisdiction over sports contracts, and that dispute has not been fully resolved.

Meet the Author

Jasper George

Jasper George

Writer and Editor

Jasper George writes about U.S. sports betting, legal sportsbooks, betting apps, bonuses, and responsible betting. He breaks down betting in plain English so readers can compare their options with more confidence. When he’s not writing, Jasper composes music, explores new places, and spends as much time as possible on his bike.

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