Polymarket vs Kalshi — Which Prediction Market Is Better?
Compare Polymarket and Kalshi: fees, markets, regulation, and which platform gives you better odds.
Overview
Polymarket and Kalshi serve different audiences. Polymarket is crypto-native and trades using USDC; Kalshi offers CFTC-regulated event contracts in USD. Availability and eligibility depend on the user and jurisdiction. VoxOdds tracks public market data from both.
Fees
Fees vary by venue, market, order type, and current fee schedule. A displayed probability is not the total execution cost: check the order ticket, live spread, available depth, slippage, and applicable fees before comparing prices.
Available Markets
Polymarket leads in variety: politics, crypto, geopolitics, sports, culture, and more. Kalshi focuses on regulated event contracts: economics, elections, climate, and sports. Polymarket tends to create markets faster for breaking events. Kalshi's advantage is regulatory compliance and USD trading.
Liquidity & Odds
Liquidity and spreads vary market by market. VoxOdds Compare shows where displayed probabilities disagree, but a real best price requires executable bids and asks, depth, fees, and equivalent resolution rules.
Which Should You Use?
Start with eligibility, funding method, contract rules, and execution cost. VoxOdds provides research links to both venues but does not assume that either venue is available or suitable for a particular user.
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