Polymarket vs Kalshi
Sharpness-first comparison. Ranking order in our EV feed is never affected by referral economics.
Kalshi
prediction| Metric | Polymarket | Kalshi |
|---|---|---|
| Sharpness (1–5) | 4 / 5 | 4 / 5 |
| Typical 2-way width Lower is sharper. | 4¢ | 6¢ |
| Leagues covered | 15 | 12 |
| Payout / limits | On-chain settlement (USDC). No KYC for non-US. | CFTC-regulated event contracts. ACH funding. |
| Geo availability | Geo-blocked in the US (as of 2024). | Available in all 50 US states. |
Polymarket
- True consensus pricing
- On-chain transparency
- Deep elections / news markets
- US-blocked
- Crypto onboarding friction
- Thin sports liquidity
Kalshi
- CFTC-regulated
- Available in CA/TX/etc.
- Sports event contracts expanding
- Lower liquidity than Polymarket on news
- Limited prop coverage
Bottom line
Sharpness is similar, but Polymarket covers more leagues — usually the better single-book pick. Either way, you'll find better prices by comparing both against the rest of the market.
FAQ — Polymarket vs Kalshi
- Which is sharper, Polymarket or Kalshi?
- Polymarket and Kalshi price comparably — neither has a meaningful price edge on standard markets.
- Does Parlae get paid more by one of them?
- Maybe — but our ranking ignores payout economics by construction. The published comparator only reads de-vigged EV and conviction; see /how-we-make-money for the receipts.
- Which has wider market coverage?
- Polymarket covers more leagues (15 vs 12).
- Should I have both accounts?
- Yes — line shopping across multiple books is the single highest-leverage EV move. Even if one is clearly sharper, the other will still post the best price on a meaningful share of bets.
Parlae earns a referral commission when you sign up through some books. It never changes our ranking — best edge always wins. How we make money →