Kalshi vs Polymarket:
2026 Comparison
Kalshi and Polymarket are the two dominant names in prediction markets — but they serve very different users. Kalshi is the regulated USD exchange built for Americans. Polymarket is the on-chain platform accessible globally. Here's an honest comparison for Australian users.
Who should use which?
You're in the US and want regulation
- You are a US resident and want USD settlement
- You want sports event contracts and weather markets
- You want maximum regulatory protection (CFTC-licensed DCM)
⚠ Kalshi is not available to Australian users — it is restricted to US residents only.
You want the deepest global liquidity
- You are based in Australia — Polymarket is globally accessible
- You are comfortable with USDC and a crypto wallet
- You want the highest liquidity on major political and global markets
- You want on-chain settlement with no custodian risk
Polymarket is the practical choice
Kalshi is not available outside the US. For Australian users, Polymarket is the only realistic option of the two. You will need a MetaMask or Coinbase Wallet and USDC to start trading. Manifold Markets is a good free alternative for learning without financial risk.
Full comparison table
| Feature | Kalshi | Polymarket |
|---|---|---|
| Founded | 2021 | 2020 |
| Headquarters | New York, USA | New York, USA |
| Regulation | CFTC-regulated DCM (fully licensed) | CFTC settlement 2022; US relaunch via QCEX (licensed DCM) in progress |
| Australia access | ❌ US only | ✅ Available in Australia (crypto wallet required) |
| Settlement | USD (cash) | USDC on Polygon (crypto) |
| Fees | 0–7% of net profit | ~2% taker fee |
| Min deposit | $1 | $1 (in USDC) |
| KYC | Full KYC required | Light KYC / geo-restricted |
| Total volume | $2B+ (2025) | $8B+ lifetime |
| Politics | ✅ | ✅ |
| Economics/Macro | ✅ | ✅ |
| Sports | ✅ (some state restrictions) | ❌ |
| Weather | ✅ | ❌ |
| Crypto | ✅ | ✅ |
| Culture/Pop | ✅ | ✅ |
| Mobile app | ✅ iOS + Android | ✅ iOS + Android |
| API | ✅ REST + WebSocket | ✅ REST + CLOB API |
| Crypto wallet required | ❌ (USD account) | ✅ (crypto wallet) |
Frequently asked questions
Can Australian users access Kalshi? +
No. Kalshi is a CFTC-regulated exchange available to US residents only. Australian users cannot open a Kalshi account. Polymarket is the globally accessible alternative and requires a crypto wallet and USDC.
Which platform has more liquidity — Kalshi or Polymarket? +
Polymarket has significantly more total volume — over $8 billion lifetime versus Kalshi's $2 billion in 2025. For Australian users, Polymarket is the only realistic option of the two.
Do I need a crypto wallet to use Polymarket in Australia? +
Yes. Polymarket settles in USDC on the Polygon blockchain. You need a compatible crypto wallet (MetaMask, Coinbase Wallet, etc.) and USDC. There are no AUD settlement options.
Are prediction market winnings taxable in Australia? +
It depends on classification. Gambling winnings from unregulated offshore platforms are generally tax-free in Australia. If classified as financial derivatives, CGT may apply with a 50% discount for assets held over 12 months. Frequent traders may be taxed at marginal income tax rates. Consult a tax adviser.
Does Polymarket have sports markets? +
No. Polymarket does not offer sports event contracts. Kalshi does offer sports markets but is unavailable to Australian users.
Related guides
Polymarket — full profile
On-chain mechanics, global liquidity, and USDC settlement explained.
PlatformKalshi — full profile
Regulation, market categories, and fees — and why it's US-only.
All platformsCompare all platforms
Full table of prediction market platforms available in Australia.
GuideHow do prediction markets work?
A complete overview of event contract mechanics.