Overtime Markets vs Good Judgment Open
A detailed head-to-head comparison of Overtime Markets and Good Judgment Open — pricing, features, and which one wins for different use cases.
Overtime Markets
Decentralized on-chain sportsbook built on the Thales protocol
Overtime Markets is a decentralized, on-chain sports-betting platform built on top of the Thales protocol, offering a genuinely non-custodial alternative to traditional sportsbooks. Users bet on real …
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 | Overtime Markets | Good Judgment Open |
|---|---|---|
| Settlement Mechanism | Chainlink + decentralized oracles | Admin resolution |
| Trading Model | AMM / positional | Forecast tournament (no money) |
| Collateral Token | USDC / stablecoins | None (Brier score) |
| Min Trade | $1 | N/A |
| Api Access | ✓ | ✗ |
| Embeddable Odds | ✓ | ✗ |
| Geo Restrictions | Restricted jurisdictions | None |
| Market Creation | Permissioned | Platform-set |
| Mobile App | ✓ | ✗ |
| Governance Token | ✓ | ✗ |
Overtime Markets Pricing
Overtime Markets
Free to trade
Free
- ✓Decentralized sportsbook
- ✓Non-custodial, no traditional KYC
- ✓Multi-chain (OP, Arbitrum, Base)
- ✓Oracle-settled outcomes
- ✓Built on Thales
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?
Overtime Markets is the better pick if you need genuinely non-custodial sports betting. 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.