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?

Choose Polymarket if…
  • 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
Choose Kalshi if…
  • 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

Decentralized

Decentralized prediction market on Polygon for real-world events.

WebiOSAndroid

Kalshi

Regulated

First federally regulated event contract exchange in the US.

WebiOSAndroid

Side-by-Side Comparison

AttributePOLYMARKETKALSHI
$ 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-tools

ProbEx

Real-time prediction markets intelligence with AI-powered news analysis.

/analysis-tools

Polysights

Intelligence and strategy layer for prediction markets.

/market-intelligence

Polyfactual

AI-Powered Prediction Market Research.

/market-intelligence

The Trade Fox

Institutional-grade aggregator and prime brokerage for Kalshi and Polymarket.

/trading-terminals

SynthesisTrade

Advanced trading terminal for prediction markets with focus on liquidity.

/trading-terminals

Stand.trade

Pro trading terminal with automated trades and real-time cross-platform feeds.

/trading-terminals

Pigeon

AI quant platform for automated prediction market strategies.

/ai-agents-bots

BetOnWars

The World's First Online War Room.

/information-osint

ArbBets

Prediction Markets Arbitrage & Positive EV Plays.

/analysis-tools

Kiyotaka

Advanced Trading Platform.

/market-intelligence

Oddpool

Compare Kalshi & Polymarket Odds in Real Time.

/analysis-tools

OkBet

The multiplatform prediction market platform.

/platforms

PredictingTop

Top Polymarket & Kalshi Traders Leaderboard.

/market-intelligence

Adjacent News

Forward Looking News.

/information-osint

Forcazt

Next-gen Prediction Market Platform.

/market-intelligence

PolyRouter

Unified API aggregator for prediction markets.

/infrastructure-apis

Matchr

Cross-Platform Prediction Markets. SHUT DOWN.

/market-intelligence

Chance

Unified platform to discover, evaluate & trade across prediction markets.

/trading-terminals

Nevua Markets

Prediction Markets Watchlists and Alerts.

/market-intelligence

Markium

Data analytics and trading platform for prediction markets.

/market-intelligence

TurbineFi

Build, test, and deploy prediction market bots for Kalshi and Polymarket.

/ai-agents-bots

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