Prediction Markets Guides
Prediction markets turn expectations about rate decisions, data releases and elections into prices you can read as probabilities. These guides check the platforms against their own rules, fee schedules and the regulators.
Start with the overview, then go to the platform you are looking at.
Guides in this topic
- Understand prediction markets
Prediction Markets: How They Work and Where They Are Legal
How event contracts work, where they are legal and what traders can read from the prices.
- Check Kalshi
Kalshi Review 2026: Is Kalshi Legit and Legal?
Is Kalshi legit and legal, what it costs, and how its Fed odds compare with FedWatch.
- Check Polymarket
Polymarket Review 2026: Is Polymarket Legal in the US?
Polymarket US and the international site: legal status, fees and who decides disputed markets.
- Trade event contracts at a broker
IBKR Prediction Markets: ForecastEx, Kalshi and Fees
IBKR Prediction Markets with ForecastEx, Kalshi and CME: who can trade and what it costs.