Guides

• How it works

  A prediction market turns a question about the future into a price. This page explains what that price is, what it is not, and how to read the rest of the site.

• Methodology

  How well prediction markets have actually predicted, measured against resolved events.

• Availability by country

  Where you can register, and what you need to trade.

• Venues

  A wide spread between venues is a reason to check the resolution rules