Polkamarkets vs Good Judgment Open
A detailed head-to-head comparison of Polkamarkets and Good Judgment Open — pricing, features, and which one wins for different use cases.
Polkamarkets
Autonomous, multi-chain prediction market protocol with gamified forecasting
Polkamarkets is a decentralized, multi-chain prediction-market protocol that emphasises an autonomous, gamified forecasting experience across events in crypto, sports, esports, politics, and pop cultu…
Full review →Good Judgment Open
The public forecasting tournament from the Superforecasting researchers
Good Judgment Open is the public forecasting platform run by Good Judgment Inc., the organisation born out of the research that produced the concept of 'Superforecasters' — ordinary people who, with t…
Full review →Feature Comparison
| Feature | Polkamarkets | Good Judgment Open |
|---|---|---|
| Settlement Mechanism | Oracle + dispute resolution | Admin resolution |
| Trading Model | AMM | Forecast tournament (no money) |
| Collateral Token | Stablecoin / POLK | None (Brier score) |
| Min Trade | $1 | N/A |
| Api Access | ✗ | ✗ |
| Embeddable Odds | ✓ | ✗ |
| Geo Restrictions | Some jurisdictions | None |
| Market Creation | Community-proposed | Platform-set |
| Mobile App | ✓ | ✗ |
| Governance Token | ✓ | ✗ |
Polkamarkets Pricing
Polkamarkets
Free to trade
Free
- ✓Multi-chain EVM protocol
- ✓Gamified forecasting
- ✓AMM outcome shares
- ✓Non-custodial
- ✓POLK token
Good Judgment Open Pricing
Good Judgment Open
Free to trade
Free
- ✓Forecasting tournament
- ✓Geopolitics/economics/science questions
- ✓Brier-score accuracy tracking
- ✓Superforecaster methodology
- ✓Free to participate
Verdict: Which Should You Choose?
Polkamarkets is the better pick if you need gamified, engaging forecasting experience. Good Judgment Open wins when backed by the research behind superforecasting. Both are production-ready — the right choice depends on your team's workflow and budget.