Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Robinhood Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Go to the live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Go to the live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Go to the live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Go to the live market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova Set 1 O/U 8.5 | 100% |
| ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova | 0% |
| ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova Set 2 Winner | 0% |
| ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova Match O/U 21.5 | 0% |
| ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova Set Handicap +/-1.5 | 0% |
| ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova Set 2 O/U 8.5 | 0% |
| ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova Total Sets: O/U 2.5 | 0% |
| ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova Match O/U 22.5 | 0% |
| ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova Set 1 O/U 9.5 | 0% |
| ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova Set 1 Winner | 0% |
| ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova Match O/U 23.5 | 0% |
| ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova Set 2 O/U 9.5 | 0% |
| ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova Set 1 O/U 10.5 | 0% |
| ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova Set 2 O/U 10.5 | 0% |
Market context
Traders on decentralised prediction markets give 100% probability to itf astana: su jeong jang vs asylzhan arystanbekova. This market refers to the tennis match between Su Jeong Jang and Asylzhan Arystanbekova in the ITF Women Astana, originally scheduled for August 9, 2026 at 2:00AM ET. This market will resolve to 'Su …
Methodology
This page compares ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Robinhood Prediction Markets, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
FAQ
- Polymarket vs Kalshi — which is better?
- Depends on your location. Kalshi is CFTC-regulated, US-only with full KYC. Polymarket is global, on-chain, no KYC up to $1,500. Polymarket has ~10x higher liquidity but higher regulatory risk.
- What does Polymarket cost vs Kalshi?
- Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
- Which platform has the deepest liquidity?
- Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
- What about Smarkets as an alternative?
- Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
- Are all these platforms regulated?
- No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.
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