Kalshi vs Polymarket — Which Prediction Market Is Better? (2026)
Kalshi and Polymarket dominate prediction market trading but serve very different audiences. Here's a complete breakdown to help you decide.
Kalshi
Pros
- CFTC-regulated — legitimate and safe for US traders
- Available in nearly every US state
- Native iOS and Android app
- USD deposits, standard bank withdrawals
- Sports markets with CFTC approval
Cons
- 7% settlement fee on winnings (vs AMM spread)
- Lower global liquidity than Polymarket
- KYC identity verification required
Polymarket
Pros
- Highest global liquidity in prediction markets
- Extensive politics and current events markets
- Lower effective fees on large positions
- No identity verification needed
Cons
- US-restricted — significant legal risk for Americans
- Requires crypto wallet (USDC)
- No native mobile app
- Unregulated — no consumer protections
The Verdict
For US traders, Kalshi is the clear winner. It's regulated, available nationwide, and supports standard bank accounts — no crypto required. For international traders or those who prioritize maximum liquidity and don't mind the regulatory gray zone, Polymarket offers unmatched market depth. If you're getting started with prediction markets in 2026 and you're based in the US, start with Kalshi. Add Polymarket later if you need access to niche markets or want to compare pricing across platforms.
Frequently Asked Questions
Is Kalshi available in the US?
Yes. Kalshi is a CFTC-regulated event contracts exchange available to US traders in nearly all 50 states. It operates under federal commodity trading law, making it legally distinct from sports betting.
Can US users trade on Polymarket?
No. Polymarket is restricted to US users. It is a decentralized, crypto-based prediction market that has previously faced CFTC regulatory action. US residents trading on Polymarket do so at significant legal risk.
Which has better liquidity, Kalshi or Polymarket?
Polymarket generally has higher global liquidity on politics and major events, often exceeding $50M in open interest on single contracts. Kalshi's liquidity is growing rapidly and is better regulated, making it the safer choice for US traders.
What markets does Kalshi offer vs Polymarket?
Both platforms cover politics, economics, and current events. Kalshi has CFTC approval for sports markets and interest rate contracts. Polymarket tends to have a wider range of niche and crypto-adjacent markets given its permissionless nature.
How do Kalshi and Polymarket fees compare?
Kalshi charges a fee on settlement (typically 7% of winnings for non-Pro users, reduced for active traders). Polymarket's fees are embedded in the AMM spread. For large trades, Kalshi can be more cost-efficient.
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