Kalshi vs Polymarket: Full Comparison
After scoring both platforms across fees, liquidity, regions, payout speed, ease of use and trust, Kalshi wins overall at 9.1/10 vs 8.8/10 for Polymarket. Read on for the section-by-section breakdown and which platform suits your use case.
Side-by-side comparison
| Metric | Kalshi | Polymarket |
|---|---|---|
| Fees | Up to 2% (variable) | 0% trading fees |
| Liquidity | 9.0/10 | 9.6/10 |
| Supported regions | USA + expanding internationally | Global (excl. some jurisdictions) |
| Payout speed | 1–3 business days (ACH / debit) | Minutes (USDC on Polygon) |
| Ease of use | 9.4/10 | 9.0/10 |
| Trust score | 9.7/10 | 8.7/10 |
Kalshi
Polymarket
Fees
Kalshi charges Up to 2% (variable). Polymarket charges 0% trading fees. On our normalized fee score Polymarket comes out ahead (9.4/10 vs 8.2/10).
Liquidity & markets
Kalshi covers economics, politics, weather, sports, culture; Polymarket covers politics, crypto, sports, culture. Order-book depth favors Polymarket, so large orders fill with less slippage there.
Supported regions
Kalshi: USA + expanding internationally. Polymarket: Global (excl. some jurisdictions). Always confirm eligibility from your jurisdiction before funding an account.
Payout speed
Kalshi: 1–3 business days (ACH / debit). Polymarket: Minutes (USDC on Polygon).
Ease of use
Both platforms offer a mobile experience with native apps. Our UX scoring puts Kalshi in front for onboarding and daily trading flow.
Safety & trust
Kalshi operates under CFTC-regulated exchange (USA). Polymarket operates under CFTC-registered (via QCX). On our trust score Kalshi rates higher.