
Prediction Markets
How prediction markets actually price an event
Contract prices are probabilities with a fee attached. Here is how to read them, and where the edge usually leaks away.
9 min read
21+ in most US states. Gambling and event trading involve risk of loss. Play responsibly.
Independent · United States · Data-led
Explore prediction markets, sportsbooks, real-money casinos and sweepstakes casinos. Understand how each category works, then find the comparisons that matter to you.
Play Radar may earn commission through links on category and review pages. Age and location restrictions apply. 21+ in most US states.

Sportsbooks
Explore odds, markets and offer conditions
Find your starting point
Different products. Different rules. Choose a category to explore its guides and comparisons.
Explore markets built around real-world outcomes. Understand event contracts, pricing, fees, and settlement.
Product, contract, and jurisdiction restrictions apply.
Explore Prediction marketsLearn how odds, betting markets, and promotions compare across regulated sports betting operators.
Availability depends on your state and operator eligibility.
Explore SportsbooksExplore regulated online casino play, with a focus on licensing, game selection, and the terms behind offers.
Only available in permitted jurisdictions. Cash play carries risk.
Explore Real-money casinosUnderstand virtual currencies, sweepstakes entries, prize redemption, and the rules for each platform.
A different model from regulated real-money casinos.
Explore Sweepstakes casinosReview methodology
Understand odds, spreads and fees, and how they affect the cost of using a product.
Explore account requirements, payment options and the information available about withdrawals.
Look beyond the headline offer to restrictions, expiry dates and qualifying requirements.
Check the rules for your location and confirm current eligibility with the operator.
Where we stand
A welcome offer is only part of the picture. Fees, pricing, product rules and availability all matter when deciding whether a product is right for you.
Prediction markets, sportsbooks, regulated real-money casinos and sweepstakes casinos are different categories. We keep their comparisons separate so you can understand the model you are exploring.
Start with the category. Read its guide, check location restrictions, and review the operator’s current terms before making a decision.
Understand odds, markets and offer conditions.
How event contracts price real world outcomes.
Dual-currency play and the current state map.
Limits, self-exclusion and where to get help.

Prediction Markets
Contract prices are probabilities with a fee attached. Here is how to read them, and where the edge usually leaks away.
9 min read

Sportsbooks
Free bets are marketing. Margin is maths. A guide to calculating what a bookmaker really charges you.
7 min read

Casinos
Wagering multiples, game weighting, max win, max bet and expiry. Everything else is decoration.
8 min read

New Jersey Casinos
A guide to regulated New Jersey casino options, minimum deposits, offer mechanics and eligibility requirements.
14 min read

US Prediction Markets
Compare market structures, minimum funding, state availability and regulatory considerations.
12 min read
The questions readers send us most often about how this site is put together.