Polymarket vs Kalshi
Both are now CFTC-licensed and open to US traders. The real choice is liquidity vs simplicity — and whether you're comfortable holding USDC.
Polymarket or Kalshi — which is better?
Kalshi is better for US beginners: real USD funding, CFTC regulation, and a polished app across 47 states plus DC. Polymarket is better for fees and global market breadth, with near-zero trading fees, though Kalshi traded more volume in July 2026 ($41.1B vs $8.6B).
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Polymarket
CFTC-licensed, USDC-settled exchange
Deep global liquidity, near-zero fees, settles in USDC on Polygon.
Kalshi
CFTC-regulated US event exchange
Real USD via ACH, clean UX, strongest on US politics and economic data.
Side-by-side
| Feature | Polymarket | Kalshi |
|---|---|---|
| Regulation | CFTC-licensed | CFTC-regulated (DCM) |
| US availability | Available | 47 states + DC |
| Settlement currency | USDC (Polygon) | USD (ACH) |
| Trading fee | 0% (spread only, ~0.5–1%) | 5–7% of profit on wins |
| Monthly volume (Jul 2026) | ~$8.6B | ~$41.1B |
| Onboarding | Wallet + KYC | Email + bank link + KYC |
| Strongest markets | Crypto, global politics, news | US politics, Fed, economic data |
| Mobile app | Functional | Polished |
Who should pick which
Pick Polymarket if…
- • You want the lowest fees and tightest spreads
- • You trade size and need real liquidity
- • You're comfortable holding USDC in a wallet
- • You want global political and crypto markets
18+ Only. Restrictions and eligibility requirements apply. Not available in all jurisdictions. Trading is risky. 100% loss can occur. See polymarket.com/tos for more information. The Polymarket US App serves as an independent software provider and affiliate of Polymarket US and Polymarket Clearing, the CFTC-regulated exchange and clearing organization.
Pick Kalshi if…
- • You want real USD via ACH, no crypto
- • You trade mostly US politics and economic data
- • You value a polished mobile app
- • You're new and want the simplest on-ramp
Certain limitations apply. The offer is available to new users only, subject to the terms and conditions at kalshi.com. 18+ only. Restrictions and eligibility requirements apply. Event contract trading involves significant risk and is not appropriate for everyone. Please carefully consider if it is appropriate for you in light of your personal financial circumstances. Kalshi products are not available in all jurisdictions. See kalshi.com for more information.
Frequently asked questions
Is Polymarket or Kalshi better for US traders in 2026?
Both are CFTC-licensed and legal for US traders. Kalshi is available in 47 states plus DC with ACH funding in real USD. Polymarket's US app (QCX LLC) covers 49 states plus DC on iPhone only, funded by debit card or ACH. Kalshi has the deeper book overall; Polymarket has lower explicit fees.
Which has lower fees, Polymarket or Kalshi?
Polymarket has no explicit trading fee — cost is built into the spread (typically 0.5–1% on flagship markets). Kalshi charges 5–7% of profit on winning trades only. On equivalent positions, Polymarket is meaningfully cheaper.
Which has more liquidity?
Kalshi, on current data. Kalshi traded about $41.1B in July 2026 versus roughly $8.6B on Polymarket (DeFi Rate). Kalshi is deeper on US sports and economics, while Polymarket still has the tightest spreads on many global political and crypto markets.
Can I use both Polymarket and Kalshi at the same time?
Yes, and many serious traders do. Use Kalshi for ACH-funded US politics and macro markets where it has the best depth; use Polymarket for global events, crypto-related markets, and any position large enough to need real liquidity.
Do I need crypto to use Polymarket?
Not in the US. The US Polymarket app run by QCX LLC lets you deposit with a debit card or ACH transfer in dollars, with no wallet or USDC purchase required. The global (non-US) site still settles in USDC on Polygon.
Which is safer?
Both are CFTC-regulated. Kalshi operates as a Designated Contract Market with funds held at FDIC-insured banks. Polymarket is CFTC-licensed and settles on-chain via the UMA oracle. Different risk profiles — Kalshi has classic financial guardrails; Polymarket has on-chain transparency.
Bottom line
Kalshi now trades roughly five times Polymarket's monthly volume and wins on simplicity, USD funding and depth in US markets. Polymarket wins on fees and global market breadth if you're comfortable funding a USDC wallet. Most serious traders use both.