POLYMARKET VS KALSHI
The two biggest names in prediction markets compared side by side — decentralized crypto-native trading vs CFTC-regulated U.S. exchange. Pricing, platforms, features, and more.
★ TL;DR — Which One Should You Pick?
- › You want global, permissionless access without KYC
- › You prefer self-custody and on-chain settlement
- › You trade politics, sports, and crypto events with deep liquidity
- › You value permissionless market creation
- › You are a US-based retail or accredited investor
- › You want CFTC-regulated consumer protections
- › You prefer lower per-contract fees (0.3% vs ~2%)
- › You need a traditional brokerage-like UX with P&L tracking
Polymarket
DecentralizedDecentralized prediction market on Polygon for real-world events.
Kalshi
RegulatedFirst federally regulated event contract exchange in the US.
⬌ Side-by-Side Comparison
| Attribute | POLYMARKET | KALSHI |
|---|---|---|
$ Pricing | FREE Free to use. Resolution fee (~2%) on winning positions. Standard Polygon gas fees. | FREEMIUM Free to sign up. 0.3% transaction fee per contract. API free for personal use. |
⊞ Category | Platforms | Platforms |
● Status | ACTIVE Active | ACTIVE Active |
⧫ Blockchain | ON-CHAIN Polygon | OFF-CHAIN None (Centralized) |
⬢ Platforms | Web, iOS, Android | Web, iOS, Android |
⬡ Access | GLOBAL Public | US ONLY Public |
✦ Key Features | Binary Markets, Order Book, Limit Orders, AMM Pools, Permissionless Market Creation | Binary Event Contracts, Order Book, Limit Orders, Market Orders, Portfolio Dashboard |
# Tags | Crypto, Decentralized, Polygon, Binary Markets, Real-world Events, AMM | Regulated, US, Fiat, CFTC, Event Contracts |
# Tools That Support Both Platforms
These 22 tools work with both Polymarket and Kalshi.
Prediction Hunt
Compare Odds Across Every Platform.
/analysis-toolsProbEx
Real-time prediction markets intelligence with AI-powered news analysis.
/analysis-toolsPolysights
Intelligence and strategy layer for prediction markets.
/market-intelligencePolyfactual
AI-Powered Prediction Market Research.
/market-intelligenceThe Trade Fox
Institutional-grade aggregator and prime brokerage for Kalshi and Polymarket.
/trading-terminalsSynthesisTrade
Advanced trading terminal for prediction markets with focus on liquidity.
/trading-terminalsStand.trade
Pro trading terminal with automated trades and real-time cross-platform feeds.
/trading-terminalsPigeon
AI quant platform for automated prediction market strategies.
/ai-agents-botsBetOnWars
The World's First Online War Room.
/information-osintArbBets
Prediction Markets Arbitrage & Positive EV Plays.
/analysis-toolsKiyotaka
Advanced Trading Platform.
/market-intelligenceOddpool
Compare Kalshi & Polymarket Odds in Real Time.
/analysis-toolsOkBet
The multiplatform prediction market platform.
/platformsPredictingTop
Top Polymarket & Kalshi Traders Leaderboard.
/market-intelligenceAdjacent News
Forward Looking News.
/information-osintForcazt
Next-gen Prediction Market Platform.
/market-intelligencePolyRouter
Unified API aggregator for prediction markets.
/infrastructure-apisMatchr
Cross-Platform Prediction Markets. SHUT DOWN.
/market-intelligenceChance
Unified platform to discover, evaluate & trade across prediction markets.
/trading-terminalsNevua Markets
Prediction Markets Watchlists and Alerts.
/market-intelligenceMarkium
Data analytics and trading platform for prediction markets.
/market-intelligenceTurbineFi
Build, test, and deploy prediction market bots for Kalshi and Polymarket.
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