Comparison · updated July 2026

Polymarket vs OG

Polymarket 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.

Polymarket

4.3/5

The largest crypto-settled prediction market for global events.

Deepest liquidity and largest market variety Offshore

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OG

3.5/5

Onchain event markets platform.

Onchain traders DeFi / offshore

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Rating

Polymarket

4.3

3.5

Best for

Polymarket

Deepest liquidity and largest market variety

Onchain traders

Regulation

Polymarket

Offshore

DeFi / offshore

US availability

Polymarket

Restricted

Fees

Polymarket

0% trading fees

Onchain fees + spread

Mobile

Polymarket

Good

Markets

Polymarket

Politics, Sports, Crypto, Economy, Culture, AI, Entertainment, Technology

Politics, Crypto, Culture

Payment

Polymarket

USDC (Polygon)

Founded

Polymarket

2020

Category	Polymarket	OG
Rating	4.3	3.5
Best for	Deepest liquidity and largest market variety	Onchain traders
Regulation	Offshore	DeFi / offshore
US availability	Restricted	Restricted
Fees	0% trading fees	Onchain fees + spread
Mobile	Good	Good
Markets	Politics, Sports, Crypto, Economy, Culture, AI, Entertainment, Technology	Politics, Crypto, Culture
Payment	USDC (Polygon)
Founded	2020

Verdicts

Who wins, category by category

Best overall

Polymarket

Higher composite rating across our methodology.

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Best for beginners

Polymarket

Cleaner onboarding and a more polished consumer experience.

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Best for regulation

OG

Operates as a CFTC-designated contract market.

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Best for liquidity

Polymarket

Deepest order books on headline markets.

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Best for market variety

Polymarket

Wider catalogue of available event contracts.

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Final take

Should you choose Polymarket or OG?

Polymarket comes out narrowly ahead in our methodology, but both platforms have a clear lane. Choose Polymarket for deepest liquidity and largest market variety, and OG for onchain traders.

Visit Polymarket Visit OG

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.