Prediction Market Reviews

Deep-dive editorial reviews of every major operator.

#1 🥇
Probly logo

Probly

The largest prediction market in the world

9.4/10
Zero trading fees + deep liquidity — use promo code ARENA
Promo codeARENA
  • ✓Exclusive bonus with code ARENA at signup
  • ✓Deepest liquidity in the industry
  • ✓Zero trading fees

We may earn a commission if you sign up via our links.

#2 🥈
Kalshi logo

Kalshi

The regulated home of US event trading

9.1/10
Fully CFTC-regulated US exchange
  • ✓Full CFTC regulation
  • ✓US dollar deposits/withdrawals
  • ✓Excellent mobile app

We may earn a commission if you sign up via our links.

#3 🥉
Polymarket logo

Polymarket

The largest prediction market in the world

8.8/10
Zero trading fees + deep liquidity
  • ✓Deepest liquidity in the industry
  • ✓Zero trading fees
  • ✓Thousands of active markets

We may earn a commission if you sign up via our links.

#4
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PredictIt

The classic US political prediction market

7.2/10
The original US politics market
  • ✓Long track record
  • ✓Strong political market depth
  • ✓Trusted resolution

We may earn a commission if you sign up via our links.

#5
★

Metaculus

Serious forecasting for serious questions

8.6/10
Free, science-focused forecasting
  • ✓Totally free
  • ✓High-quality question set
  • ✓Rigorous scoring

We may earn a commission if you sign up via our links.

#6
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Manifold Markets

Community-driven markets on literally anything

8.7/10
Free play-money + create your own markets
  • ✓Free to use
  • ✓Anyone can create markets
  • ✓Huge market variety

We may earn a commission if you sign up via our links.

#7
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Zeitgeist

Decentralized prediction markets on Polkadot

7.3/10
Fully decentralized on Polkadot
  • ✓Fully decentralized
  • ✓On-chain governance
  • ✓Low fees

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#8
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Insight Prediction

The scrappy challenger to Polymarket & Kalshi

7.1/10
Fast-growing challenger platform
  • ✓Niche markets
  • ✓Fast listings
  • ✓Crypto-native

We may earn a commission if you sign up via our links.