Beginner guide

Prediction markets, explained without the hype.

Learn what prediction markets are, why prices move, and how to read market-implied probabilities before opening any live market.

Independent educational site. Not financial, betting, legal, or trading advice. Availability depends on your jurisdiction.

Market-implied probability

42¢ = 42%Example YES price translated into implied probabilityUse the calculator to compare price, payout and break-even probability.

Explore ProbabilityWatch

Build your probability reading stack

Learning hub

Prediction-market articles

What is a prediction market?A plain-English explanation of prediction markets, event contracts, uncertainty, and why prices can be read as crowd expectations.How to read Polymarket pricesLearn how to read YES and NO prices, outcome prices, spreads, liquidity, and market rules before clicking through to live markets.YES price and implied probabilityConvert YES prices to implied probabilities and understand why price does not equal certainty.Polymarket vs KalshiA neutral comparison framework for prediction-market platforms, market availability, regulation, fees, and user experience.Prediction markets vs sports bettingUnderstand the practical differences between event markets, sportsbook odds, probability thinking, and jurisdictional restrictions.Are prediction markets accurate?Prediction markets can aggregate information, but they can also be wrong, illiquid, biased, or distorted by news shocks.Polymarket availability by regionA cautious guide to regional availability, terms, and why users must check local laws before using any prediction market.