Comparison · updated July 2026
Interactive Brokers Forecast Contracts vs OG
Interactive Brokers Forecast Contracts and OG 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.
Interactive Brokers Forecast Contracts
CFTC-regulated event contracts inside the IBKR trading platform.
Rating
Interactive Brokers Forecast Contracts
4.1
OG
3.5
Best for
Interactive Brokers Forecast Contracts
Existing IBKR clients
OG
Onchain traders
Regulation
Interactive Brokers Forecast Contracts
CFTC-regulated
OG
DeFi / offshore
US availability
Interactive Brokers Forecast Contracts
Available
OG
Restricted
Fees
Interactive Brokers Forecast Contracts
$0.02–$0.10 per contract
OG
Onchain fees + spread
Mobile
Interactive Brokers Forecast Contracts
Good
OG
Good
Markets
Interactive Brokers Forecast Contracts
Economy, Financial events, Politics
OG
Politics, Crypto, Culture
Payment
Interactive Brokers Forecast Contracts
OG
Founded
Interactive Brokers Forecast Contracts
OG
Verdicts
Who wins, category by category
Best overall
Interactive Brokers Forecast Contracts
Higher composite rating across our methodology.
Best for beginners
Interactive Brokers Forecast Contracts
Cleaner onboarding and a more polished consumer experience.
Best for regulation
Interactive Brokers Forecast Contracts
Operates as a CFTC-designated contract market.
Best for liquidity
Interactive Brokers Forecast Contracts
Deepest order books on headline markets.
Best for market variety
Interactive Brokers Forecast Contracts
Wider catalogue of available event contracts.
Final take
Should you choose Interactive Brokers Forecast Contracts or OG?
For US-based traders, Interactive Brokers Forecast Contracts is the obvious starting point: OG is not legally available in the United States.