Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Tax UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Tax UK → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Tax UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Tax UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Tax UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Tax UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Polymarket Tax UK.
Active sub-markets
| Foggia: Tyra Caterina Grant vs Darya Astakhova | 100% Tyra Caterina Grant | 0% Darya Astakhova |
| Completed Match | 100% YES | 0% NO |
| Foggia: Tyra Caterina Grant vs Darya Astakhova Set 1 Winner | 100% Grant | 0% Astakhova |
| Foggia: Tyra Caterina Grant vs Darya Astakhova Total Sets: O/U 2.5 | 0% Over 2.5 | 100% Under 2.5 |
| Foggia: Tyra Caterina Grant vs Darya Astakhova Match O/U 21.5 | 0% Over | 100% Under |
| Foggia: Tyra Caterina Grant vs Darya Astakhova Set 1 O/U 8.5 | 0% Over | 100% Under |
Market context
Tyra Caterina Grant and Darya Astakhova are scheduled to compete in a women's tennis match at the Foggia tournament on 6 June 2026, with the settlement window closing on 13 June. The current market probability of 100% YES reflects either very limited liquidity or a technical artefact; in practice, pre-match tennis markets rarely trade at such extremes unless one player has withdrawn or the fixture has been officially cancelled. The match outcome will determine which player advances in the Foggia draw.
Historical precedent suggests that WTA Challenger and ITF-level matches in southern European venues rarely experience cancellations once scheduled, though weather delays and player withdrawals do occur. Grant and Astakhova's respective rankings and recent form on clay courts will inform whether the current pricing reflects genuine consensus or sparse order-book depth. The 50–50 resolution clause for matches delayed beyond seven days or abandoned mid-play is standard for tennis prediction markets and protects against incomplete information.
Traders should monitor official WTA and ITF announcements for any withdrawal notices, which typically emerge 24–48 hours before play. Foggia's weather patterns in early June—occasional rain and temperature swings—may affect scheduling. Under German GlüStV regulations, this market may be accessible to EU traders without KYC verification up to €1,500 in stake value, depending on the platform's licensing jurisdiction. US CFTC oversight applies if the platform accepts US customers; most prediction markets restrict US participation entirely. The settlement deadline of 17:00 UTC on 13 June allows a seven-day buffer for match completion or rescheduling before final resolution.
Methodology
We track Foggia: Tyra Caterina Grant vs Darya Astakhova on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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.
FAQ
- Is this market available outside the US?
- Polymarket Tax UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- What does it cost to trade on Polymarket Tax UK?
- Zero. Polymarket Tax UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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