Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket App UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket App UK → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket App UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket App UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket App UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket App 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 App 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
A women's tennis match between American player Tyra Caterina Grant and Russian player Darya Astakhova is scheduled for 6 June 2026 in Foggia, Italy. The market resolves on whether Grant advances past Astakhova in what appears to be a qualifying or lower-tier professional event. The 100% implied probability suggests either exceptionally strong conviction in Grant's victory or sparse liquidity with minimal opposing positions. For traders building conditional orders or algorithmic monitoring, this extreme probability warrants scrutiny—such markets often reflect incomplete information rather than certainty.
Historical precedent from women's tennis markets shows that matches between players with significant ranking or seeding disparities typically settle at probabilities between 65–85%, depending on surface and recent form. A 100% reading is unusual outside scenarios where one player has withdrawn or injury information has circulated. Grant and Astakhova's head-to-head record, current WTA rankings, and recent performance on clay courts would normally anchor expectations; without recent tournament results or ranking data publicly available for both players at this level, the extreme probability may indicate the market lacks depth or that information asymmetry favours one side heavily.
Traders should monitor the official WTA or ITF schedule for any withdrawal announcements, injury reports, or schedule changes through early June. The settlement window closes 13 June 2026, allowing a seven-day buffer for delays. For programmatic approaches, setting alerts on official tournament draws and player social media accounts provides early signals; similarly, tracking betting exchange odds on parallel markets (if available) can reveal whether the 100% reading reflects genuine consensus or simply thin order books. Any last-minute surface changes or weather forecasts affecting clay-court play merit attention.
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
- Where can I trade this market with the lowest fees?
- On Polymarket App UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 does it cost to trade on Polymarket App UK?
- Zero. Polymarket App UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Polymarket App UK triggers a quick verification flow that finishes in minutes.
- 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.
Trade Foggia: Tyra Caterina Grant vs Darya Astakhova on Polymarket App UK
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