Hedgehog Markets vs Good Judgment Open
A detailed head-to-head comparison of Hedgehog Markets and Good Judgment Open — pricing, features, and which one wins for different use cases.
Hedgehog Markets
Solana-based prediction and no-loss competition markets
Hedgehog Markets is a Solana-based prediction-market platform known for pioneering 'no-loss' competition-style markets alongside conventional peer-to-peer prediction markets. Its distinctive no-loss f…
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 | Hedgehog Markets | Good Judgment Open |
|---|---|---|
| Settlement Mechanism | Oracle-resolved | Admin resolution |
| Trading Model | P2P + no-loss pools | Forecast tournament (no money) |
| Collateral Token | USDC | None (Brier score) |
| Min Trade | $1 | N/A |
| Api Access | ✗ | ✗ |
| Embeddable Odds | ✗ | ✗ |
| Geo Restrictions | Some jurisdictions | None |
| Market Creation | Permissioned | Platform-set |
| Mobile App | ✗ | ✗ |
| Governance Token | ✗ | ✗ |
Hedgehog Markets Pricing
Hedgehog Markets
Free to trade
Free
- ✓Solana-native
- ✓No-loss competition markets
- ✓Peer-to-peer prediction markets
- ✓Yield-funded prizes
- ✓Low fees + fast settlement
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?
Hedgehog Markets is the better pick if you need innovative no-loss format protects staked principal. 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.