Comparison · updated July 2026
Polymarket vs ForecastEx
Polymarket and ForecastEx are two of the most discussed prediction market platforms in the US. Here's a side-by-side look at how they compare on the factors that actually matter for traders.
Polymarket
The largest crypto-settled prediction market for global events.
ForecastEx
An exchange-grade forecast market owned by Interactive Brokers.
Rating
Polymarket
4.3
ForecastEx
4.4
Best for
Polymarket
Deepest liquidity and largest market variety
ForecastEx
Brokerage-grade access via Interactive Brokers
Regulation
Polymarket
Offshore
ForecastEx
CFTC-regulated
US availability
Polymarket
Restricted
ForecastEx
Available
Fees
Polymarket
0% trading fees
ForecastEx
1 cent per contract
Mobile
Polymarket
Good
ForecastEx
Good
Markets
Polymarket
Politics, Sports, Crypto, Economy, Culture, AI, Entertainment, Technology
ForecastEx
Economy, Climate, Politics, Financial events
Payment
Polymarket
USDC (Polygon)
ForecastEx
Bank transfer, IBKR funding
Founded
Polymarket
2020
ForecastEx
2023
Verdicts
Who wins, category by category
Best for beginners
Polymarket
Cleaner onboarding and a more polished consumer experience.
Final take
Should you choose Polymarket or ForecastEx?
ForecastEx comes out narrowly ahead in our methodology, but both platforms have a clear lane. Choose Polymarket for deepest liquidity and largest market variety, and ForecastEx for brokerage-grade access via interactive brokers.