Prediction Markets · Tool Face-Off

Kalshi vs Polymarket

Quick answer

Kalshi is the regulated US play for cautious bettors; Polymarket is the crypto-native powerhouse with deeper liquidity and wilder markets — pick your poison.

Our pick

Kalshi

CFTC-regulated prediction markets for the risk-aware

3.9★

Polymarket

Crypto-powered prediction markets with no ceiling

3.7★

Regulatory Status

CFTC-regulated (legal in all 50 US states)

Offshore / unregulated (geo-blocked for US users)

Currency

USD (ACH / bank transfer)

USDC on Polygon blockchain

Trading Volume (2024 peak)

~$100M+ monthly

~$500M-$1B+ monthly

Trading Fee

~7% of winnings (taker fee model)

~2% of winnings (CLOB model)

Number of Active Markets

Hundreds (curated)

Thousands (community-created)

Position Limits

Yes, per-market CFTC limits apply

No hard limits

KYC Required

Yes, full identity verification

Minimal (wallet-based, no KYC for most)

Crypto Wallet Needed

Yes (MetaMask or similar)

Market Creation

Kalshi team only

Anyone can create a market

Mobile App

Yes (iOS & Android)

Web + mobile browser (no native app)

Winnings Taxed / Reported

Yes, 1099 issued for US traders

Self-reported (no 1099)

Withdrawal Speed

1-3 business days (ACH)

Minutes (on-chain to wallet)

Kalshi

Fees★★★½☆

Ease of Use★★★★½

Accessibility★★★★☆

Market Variety★★★½☆

Regulatory Safety★★★★★

Liquidity & Volume★★★☆☆

Polymarket

Fees★★★★☆

Ease of Use★★★½☆

Accessibility★★★☆☆

Market Variety★★★★½

Regulatory Safety★★☆☆☆

Liquidity & Volume★★★★★

Worth knowing

Kalshi won a landmark 2024 court battle against the CFTC, cementing its right to offer political event contracts in the US.
Polymarket processed over $8 billion in trading volume during the 2024 US election cycle alone.
Kalshi requires a Social Security Number for signup; Polymarket only needs a crypto wallet address.
Polymarket uses a Central Limit Order Book (CLOB) on Polygon, making it more like a real financial exchange under the hood.
Kalshi is backed by Sequoia and Henry Krauss; Polymarket is backed by Peter Thiel and Andreessen Horowitz — VC bro battle royale.

Polymarket odds on the 2024 US election were cited more frequently by mainstream journalists than actual polling aggregators — the traders apparently saw it coming before the pundits did.

If you want

You live in the US and want to trade legally without touching crypto

Kalshi is the only CFTC-regulated option accepting all 50 states, with plain USD deposits and a proper mobile app.

→ Pick Kalshi

If you want

You want the deepest liquidity and most exotic markets

Polymarket dwarfs Kalshi in volume and market variety, with tighter spreads and lower fees for serious traders.

→ Pick Polymarket

If you want

You're a crypto-native user outside the US

Polymarket's wallet-first design, fast USDC withdrawals, and massive community make it the global default.

→ Pick Polymarket

If you want

You want the safest, most beginner-friendly experience

Kalshi's regulated status, simple USD interface, and no-crypto-required setup removes almost all technical friction.

→ Pick Kalshi

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Kalshi vs Polymarket

Kalshi

Polymarket

Worth knowing

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