Which one prices better, Polymarket or Kalshi?

Polymarket and Kalshi price comparably — neither gives you a better price often enough to matter on standard bets.

Does Parlae get paid more by one of them?

Possibly, and it changes nothing about what you see here. What we rank on is the price and how confident our model is; sign-up commissions are not an input. Our How we make money page shows the working.

Which one covers more leagues?

Polymarket — about 15 leagues against 12.

Should I have both accounts?

Comparing prices across more than one book is the biggest thing you control. Even when one is clearly the better priced of the two, the other will still post the better number on plenty of games.

Polymarket vs Kalshi

Which of the two gives you the better price, where each one is available, and what you give up either way.

They price about the same, but Polymarket covers more leagues.

If you only want one account, Polymarket is usually the better pick. Either way you'll find better numbers by comparing both against the rest of the market.

How they compare

Price quality, coverage, payouts and availability for Polymarket and Kalshi
What we compared	Polymarket	Kalshi
What it is	Prediction market — you trade contracts, not bets	Prediction market — you trade contracts, not bets
How sharp its prices areOur own 1–5 rating of how close its prices sit to what a bet is really worth (fair odds).	4 of 5	4 of 5
Typical gap between the two sidesThat gap is the sportsbook's cut (the vig). Smaller leaves more of the price with you.	4¢smaller cut	6¢
Leagues covered	about 15more leagues	about 12
Payouts and limits	On-chain settlement (USDC). No KYC for non-US.	CFTC-regulated event contracts. ACH funding.
Where it's available	Geo-blocked in the US (as of 2024).	Available in all 50 US states.

What it is
Both: Prediction market — you trade contracts, not bets
How sharp its prices are
Our own 1–5 rating of how close its prices sit to what a bet is really worth (fair odds).
Both: 4 of 5
Typical gap between the two sides
That gap is the sportsbook's cut (the vig). Smaller leaves more of the price with you.
Polymarket: 4¢ (smaller cut)
Kalshi: 6¢
Leagues covered
Polymarket: about 15 (more leagues)
Kalshi: about 12
Payouts and limits
Polymarket: On-chain settlement (USDC). No KYC for non-US.
Kalshi: CFTC-regulated event contracts. ACH funding.
Where it's available
Polymarket: Geo-blocked in the US (as of 2024).
Kalshi: Available in all 50 US states.

See tonight's prices on every book →

What each one is good and bad at

Polymarket

Strength: True consensus pricing
Strength: On-chain transparency
Strength: Deep elections / news markets
Trade-off: US-blocked
Trade-off: Crypto onboarding friction
Trade-off: Thin sports liquidity

Kalshi

Strength: CFTC-regulated
Strength: Available in CA/TX/etc.
Strength: Sports event contracts expanding
Trade-off: Lower liquidity than Polymarket on news
Trade-off: Limited prop coverage

Open an account

Parlae earns a commission when you sign up through some books. It never changes our ranking — the best price always wins. How we make money →

Polymarket
Open Polymarket
Kalshi
Open Kalshi

Common questions

Which one prices better, Polymarket or Kalshi?
Polymarket and Kalshi price comparably — neither gives you a better price often enough to matter on standard bets.
Does Parlae get paid more by one of them?
Possibly, and it changes nothing about what you see here. What we rank on is the price and how confident our model is; sign-up commissions are not an input. Our How we make money page shows the working.
Which one covers more leagues?
Polymarket — about 15 leagues against 12.
Should I have both accounts?
Comparing prices across more than one book is the biggest thing you control. Even when one is clearly the better priced of the two, the other will still post the better number on plenty of games.