Comparison · updated July 2026

OG vs Polymarket

OG and Polymarket 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.

OG

3.5/5

Onchain event markets platform.

Onchain traders DeFi / offshore

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Polymarket

4.3/5

The largest crypto-settled prediction market for global events.

Deepest liquidity and largest market variety Offshore

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Rating

3.5

Polymarket

4.3

Best for

Onchain traders

Polymarket

Deepest liquidity and largest market variety

Regulation

DeFi / offshore

Polymarket

Offshore

US availability

Restricted

Polymarket

Restricted

Fees

Onchain fees + spread

Polymarket

0% trading fees

Mobile

Good

Polymarket

Good

Markets

Politics, Crypto, Culture

Polymarket

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

Payment

Polymarket

USDC (Polygon)

Founded

Polymarket

2020

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

OG

Cleaner onboarding and a more polished consumer experience.

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Best for regulation

Polymarket

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 OG or Polymarket?

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

Visit OG Visit Polymarket

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.