Comparison · updated July 2026

OG vs Kalshi

OG and Kalshi 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 logo

OG

3.5/5

Onchain event markets platform.

Onchain traders DeFi / offshore
Kalshi logo

Kalshi

4.7/5

The first CFTC-regulated event contract exchange in the United States.

Regulated US event contracts CFTC-regulated

Rating

OG logo

OG

3.5

Kalshi logo

Kalshi

4.7

Best for

OG logo

OG

Onchain traders

Kalshi logo

Kalshi

Regulated US event contracts

Regulation

OG logo

OG

DeFi / offshore

Kalshi logo

Kalshi

CFTC-regulated

US availability

OG logo

OG

Restricted

Kalshi logo

Kalshi

Available

Fees

OG logo

OG

Onchain fees + spread

Kalshi logo

Kalshi

Up to 2% per trade

Mobile

OG logo

OG

Good

Kalshi logo

Kalshi

Excellent

Markets

OG logo

OG

Politics, Crypto, Culture

Kalshi logo

Kalshi

Politics, Economy, Sports, Weather, Culture, AI, Financial events

Payment

OG logo

OG

Kalshi logo

Kalshi

ACH, Debit card, Wire transfer

Founded

OG logo

OG

Kalshi logo

Kalshi

2018

Verdicts

Who wins, category by category

Best overall

Kalshi

Higher composite rating across our methodology.

Best for beginners

Kalshi

Cleaner onboarding and a more polished consumer experience.

Best for regulation

Kalshi

Operates as a CFTC-designated contract market.

Best for liquidity

OG

Deepest order books on headline markets.

Best for market variety

Kalshi

Wider catalogue of available event contracts.

Final take

Should you choose OG or Kalshi?

Kalshi comes out narrowly ahead in our methodology, but both platforms have a clear lane. Choose OG for onchain traders, and Kalshi for regulated us event contracts.

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.