About the Prediction Market Handbook
The Prediction Market Handbook answers one question per page, with a short answer first and a worked example using real numbers. Guides show when they were last reviewed. The accuracy study is computed from resolved Polymarket markets and the method is published with it.
What the handbook covers
- Basics
- How prediction markets and their prices work.
- Legal
- What is allowed where.
- Platforms
- How the venues differ.
- Strategy
- Fees, spreads, and break-even math.
- Glossary
- Terms, defined.
How we work
Guides are credited to Prediction Market Handbook. We use AI tools to help research and draft, and every claim is checked against a linked source before publication. Guides are re-reviewed when facts change, and the review date is shown at the top. Read the editorial policy.