Comparison · updated July 2026

Manifold Markets vs OG

Manifold Markets 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.

Editorial disclosure. HunchMarkets may earn a commission when readers sign up via our links. Our rankings, ratings and methodology are decided independently of commercial relationships.
Manifold Markets logo

Manifold Markets

4.3/5

Play-money prediction market platform with real communities and calibration data.

Forecasters and researchers Play-money / sweepstakes
OG logo

OG

3.5/5

Onchain event markets platform.

Onchain traders DeFi / offshore

Rating

Manifold Markets logo

Manifold Markets

4.3

OG logo

OG

3.5

Best for

Manifold Markets logo

Manifold Markets

Forecasters and researchers

OG logo

OG

Onchain traders

Regulation

Manifold Markets logo

Manifold Markets

Play-money / sweepstakes

OG logo

OG

DeFi / offshore

US availability

Manifold Markets logo

Manifold Markets

Available

OG logo

OG

Restricted

Fees

Manifold Markets logo

Manifold Markets

Free (play-money)

OG logo

OG

Onchain fees + spread

Mobile

Manifold Markets logo

Manifold Markets

Good

OG logo

OG

Good

Markets

Manifold Markets logo

Manifold Markets

Politics, AI, Culture, Sports, Economy

OG logo

OG

Politics, Crypto, Culture

Payment

Manifold Markets logo

Manifold Markets

OG logo

OG

Founded

Manifold Markets logo

Manifold Markets

OG logo

OG

Verdicts

Who wins, category by category

Best overall

Manifold Markets

Higher composite rating across our methodology.

Best for beginners

Manifold Markets

Cleaner onboarding and a more polished consumer experience.

Best for regulation

OG

Operates as a CFTC-designated contract market.

Best for liquidity

Manifold Markets

Deepest order books on headline markets.

Best for market variety

Manifold Markets

Wider catalogue of available event contracts.

Final take

Should you choose Manifold Markets or OG?

For US-based traders, Manifold Markets is the obvious starting point: OG is not legally available in the United States.

Risk warning. Event contracts are financial instruments. You can lose your full premium. Trade only where legally permitted in your jurisdiction. This is not investment, legal or tax advice.