Comparison · updated July 2026
PredictIt vs Interactive Brokers Forecast Contracts
PredictIt and Interactive Brokers Forecast Contracts 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.
PredictIt
Academic political prediction market operating under CFTC no-action relief.
Interactive Brokers Forecast Contracts
CFTC-regulated event contracts inside the IBKR trading platform.
Rating
PredictIt
3.6
Interactive Brokers Forecast Contracts
4.1
Best for
PredictIt
US political markets
Interactive Brokers Forecast Contracts
Existing IBKR clients
Regulation
PredictIt
CFTC no-action
Interactive Brokers Forecast Contracts
CFTC-regulated
US availability
PredictIt
Available
Interactive Brokers Forecast Contracts
Available
Fees
PredictIt
Withdrawal + profit fees
Interactive Brokers Forecast Contracts
$0.02–$0.10 per contract
Mobile
PredictIt
Good
Interactive Brokers Forecast Contracts
Good
Markets
PredictIt
Politics
Interactive Brokers Forecast Contracts
Economy, Financial events, Politics
Payment
PredictIt
Interactive Brokers Forecast Contracts
Founded
PredictIt
Interactive Brokers Forecast Contracts
Verdicts
Who wins, category by category
Best overall
Interactive Brokers Forecast Contracts
Higher composite rating across our methodology.
Best for beginners
PredictIt
Cleaner onboarding and a more polished consumer experience.
Best for market variety
Interactive Brokers Forecast Contracts
Wider catalogue of available event contracts.
Final take
Should you choose PredictIt or Interactive Brokers Forecast Contracts?
Interactive Brokers Forecast Contracts comes out narrowly ahead in our methodology, but both platforms have a clear lane. Choose PredictIt for us political markets, and Interactive Brokers Forecast Contracts for existing ibkr clients.