Polymarket
Polymarket is a blockchain-based prediction-market platform where users trade positions based on the outcomes of real-world events. Its documentation describes markets as peer-to-peer, with prices reflecting participants' collective expectations about event probabilities.
✦ Key Insight
Polymarket helped make prediction markets familiar to a broader crypto audience by combining market-based forecasting with blockchain settlement. Users can study market prices for events involving politics, economics, cryptocurrency, sports, technology, and other topics available on the platform. Prediction-market pricing can offer an alternative perspective to polls, analyst forecasts, or social-media sentiment. Legal availability and regulatory requirements can vary by jurisdiction and change over time.
✕ Common Misconceptions
Treating the price as guaranteed probability
Ignoring resolution rules
Trading without checking liquidity
Assuming legal access is identical worldwide
Following headline percentages without reading the question
Confusing Polymarket with a sportsbook
Detailed Explanation
How It Works
Users trade outcome shares against other market participants.
A market might have YES and NO outcomes.
The price changes based on supply and demand and can be interpreted as a market-implied probability.
Polymarket states that its platform uses blockchain smart contracts for settlement and operates with a non-custodial structure.
When the event concludes, the market resolves according to its published rules.
FAQs
Does Polymarket set the probability itself?
Market prices emerge from participant trading.
Can market probabilities be wrong?
Yes.
Do users trade against the platform?
Polymarket describes its markets as peer-to-peer rather than users betting against a traditional house.
In Practice
Dig Deeper
Prediction Market
A prediction market is a market where participants trade contracts whose value depends on the outcome of a future event. The event could involve economics, politics, sports, cryptocurrency, weather, or another measurable outcome. The CFTC describes products traded on prediction markets as frequently being called event contracts.
Event Contract
An event contract is a financial contract whose payout depends on whether a specified event or outcome occurs. Event contracts are commonly associated with prediction markets. The CFTC specifically discusses prediction markets and event contracts within US derivatives regulation.