Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
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
Su Jeong Jang has already played through the Astana draw this week, reaching the final after back-to-back straight-set wins and a three-set semi-final, so the immediate change in the last 24-48 hours is that she has match sharpness and recent court data in the same venue and on the same hard surface. Tennis Explorer lists her in the Astana 10 final against Asylzhan Arystanbekova, with market odds implying Jang as the clearer favourite at 1.44 to 2.56[2].
That price is broadly in line with her recent profile. Jang’s 2026 results have been modest overall, but Flashscore shows she has a stronger multi-year record than a typical ITF local wildcard, including titles on hard and clay in recent seasons, while her 2025 hard-court record was only 4-7[1]. She also beat Arina Arifullina 6-4, 6-3 and Anna Sedysheva 6-2, 6-4 in this Astana run, which supports why the crowd is not treating this as close to even[2][13]. By comparison, Arystanbekova is priced as the underdog in the same final listing, which is consistent with a player drawing more of a home-event boost than a long established ITF résumé[2][7].
For traders, the key catalysts are straightforward: confirmation that the final is actually played on schedule, any late order-of-play changes, and whether either player carries forward any injury or retirement issue from the preceding rounds. Because the market resolves to 50-50 if the match is cancelled, tied, or delayed beyond seven days without a winner, the main risk is not just who starts better but whether the fixture survives the tournament timetable unchanged. The 0% YES crowd price suggests no material public support for Jang yet, so any official draw or scheduling update from the event could move this quickly.
Methodology
This page reviews ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Prediction Today, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
UK Frequently Asked Questions
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Prediction Today. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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