Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) 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% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova Match O/U 21.5 | 100% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova Total Sets: O/U 2.5 | 100% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova Set 1 O/U 8.5 | 100% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova Set 2 Winner | 100% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova Set 2 O/U 8.5 | 100% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova Match O/U 22.5 | 100% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova Match O/U 23.5 | 100% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova | 0% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova Set Handicap +/-1.5 | 0% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova Set 1 Winner | 0% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova Set 1 O/U 9.5 | 0% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova Set 2 O/U 9.5 | 0% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova Set Handicap +/-1.5 | 0% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova Set 1 O/U 10.5 | 0% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova Set 2 O/U 10.5 | 0% |
| Monterrey Open, Qualification: Panna Udvardy vs Darja Vidmanova Game Spread +/-4.5 | 0% |
Market context
Polymarket has this contract at 0% YES, which leaves the book effectively pricing no advance for Panna Udvardy against Darja Vidmanova in the Monterrey Open qualifying tie. In practice, that means the market is treating the conditional token stack on Polygon as near-zero for Udvardy and implying either a late reversal in the reported result, a cancellation path, or simply stale pricing until the outcome is confirmed on chain in USDC.
The pair were placed in the Monterrey qualifying draw as the third and eighth seeds, and the WTA listed the match for Sunday 23 August, with qualifying scheduled across 22–23 August before the main draw began.[1][2][3] Comparable WTA qualifying ties often move quickly once scores are posted, but they also leave room for delay when schedules slip or results are not immediately finalised; that matters here because the market only settles cleanly if a winner is determined before the dispute window closes, otherwise it can revert to 50-50 under the contract rules.
The main catalysts are straightforward: an official WTA score update, any walkover or retirement notation, and whether Monterrey’s qualifying court times hold after weather or scheduling changes.[1][2] The latest public scores page showed no future match listed after the tie, while live scoring services were already reflecting a completed result, so traders are effectively watching for confirmation rather than fresh match-play.[1][4] If the result stays intact, the on-chain conditional token should resolve to the named winner; if the event was not played to completion or the result is never settled, the 50-50 fallback becomes relevant before the September deadline.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi UK, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 Kalshi UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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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