Research guide
Prediction Market vs Poll: How to Read the Difference
Polls measure sampled opinion; prediction markets aggregate prices from people expressing expectations. Learn when each signal is useful and where it can mislead.
Educational note: This guide explains probability and market structure. It is not a recommendation to trade, and availability depends on local rules.
The short version
A poll asks a selected group what they think or prefer at a point in time. A prediction market price reflects the current market-implied probability for a future event, after traders react to polls, news, rules and liquidity.
Why the numbers diverge
- Polls can lag fast news cycles.
- Market prices can overreact to thin liquidity.
- Polls have sampling and turnout assumptions.
- Markets have fees, spreads, position limits and participant bias.
Practical reading framework
Use polls to understand public opinion and cross tabs. Use market prices to monitor how information is being converted into a probability. When they disagree, inspect timing, sample quality, liquidity, and the exact event wording before drawing conclusions.
Next step: compare a market price with your own estimate, then read the rules before opening any external market.
Use the calculatorOpen Polymarket