Polymarket vs PredictIt
A detailed head-to-head comparison of Polymarket and PredictIt — pricing, features, and which one wins for different use cases.
Polymarket
The world's largest decentralized prediction market for elections, crypto, sports, and world events
Polymarket is the dominant decentralized prediction market platform, running on Polygon and processing hundreds of millions of dollars in trading volume during major events like US presidential electi…
Full review →PredictIt
Long-running US political prediction market run for academic research
PredictIt is one of the longest-running prediction markets in the US, operated as a research project (historically in partnership with Victoria University of Wellington) and focused primarily on polit…
Full review →Feature Comparison
| Feature | Polymarket | PredictIt |
|---|---|---|
| Settlement Mechanism | UMA optimistic oracle | Platform resolution |
| Trading Model | CLOB | Order book (capped) |
| Collateral Token | USDC | USD |
| Min Trade | $1 | $1 |
| Api Access | ✓ | ✓ |
| Embeddable Odds | ✓ | ✓ |
| Geo Restrictions | US persons blocked | US-focused |
| Market Creation | Permissioned | Platform-approved |
| Mobile App | ✗ | ✓ |
| Governance Token | ✗ | ✗ |
Polymarket Pricing
Polymarket
Free to trade
Free
- ✓USDC-denominated
- ✓Polygon network
- ✓Real-time CLOB
- ✓API access
- ✓Thousands of markets
PredictIt Pricing
PredictIt
Free to trade (fees apply)
Free
- ✓Real USD markets
- ✓US political focus
- ✓5% profit fee + 5% withdrawal fee
- ✓Per-market position caps
- ✓Long historical record
Verdict: Which Should You Choose?
Polymarket is the better pick if you need largest prediction market by volume — most accurate probabilities for major events. PredictIt wins when long-running, widely-cited us political market. Both are production-ready — the right choice depends on your team's workflow and budget.