Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via BTC Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open live market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open live market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open live market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open 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 | 1% |
| 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 and Asylzhan Arystanbekova are due to meet in the ITF Women’s event in Astana, with the market settling on the player who advances and flipping to 50-50 only if the match is not played, is tied, or drifts beyond the seven-day delay clause. The crowd price of **1% YES** implies an extreme longshot on the named outcome, but the wider market context points the other way: bookmakers and prediction venues have generally priced Jang as the favourite, with odds around 1.50–1.70 versus Arystanbekova around 2.30–2.38.[4][8][10][13][14]
Comparable head-to-head and form data also lean towards Jang. Tennis Tonic shows Jang’s 2026 record at 25-10 overall and 23-9 on hard courts, while Tennis Explorer lists Arystanbekova’s 2026 hard-court record at 22-9, which is respectable but not obviously enough to overturn the market’s preference for Jang.[2][11] On the same Astana run, Jang reached the final after beating Kisa Yoshioka, and Arystanbekova reached the final after defeating Edda Mamedova, so both arrive with recent wins on the same surface and under the same conditions.[10][11]
For traders, the key catalysts are simple: the official match start, any last-minute order-of-play change, and any walkover, retirement, or weather-related delay that could activate the contract’s 50-50 fallback. The settlement mechanics are on-chain, so the market is really pricing whether the match is completed within the window rather than the scoreline itself; if the fixture is postponed but still played before the deadline, the outcome should still resolve normally. Live score services had the match listed for the scheduled day, but any change to the ITF board or venue schedule is the main thing to watch.[1][5][13][14]
Methodology
This page reads ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed alongside for venue context. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
UK Frequently Asked Questions
- Why USDC and not ETH or USDT?
- USDC is the Polygon standard — audited reserves (Circle, monthly attestation), deepest order book, low gas costs. ETH volatility would distort probability quotes; USDT has thinner Polygon liquidity than USDC.
- What does a transaction cost on Polygon?
- Polygon gas is typically under $0.01 per transaction. A full trade cycle (Approve + Order + Fill) totals around $0.03 — compared to $5-50 on Ethereum mainnet.
- 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%.
Trade ITF Astana: Su Jeong Jang vs Asylzhan Arystanbekova on BTC Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →