Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Sport Prediction Pick polygram.ink |
80% | 20% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Sport Prediction → |
Polymarket polymarket.com |
80% | 20% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Sport Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Sport Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Sport Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Sport Prediction → |
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 Sport Prediction.
Active sub-markets
| Grass Court Championships: Aryna Sabalenka vs Jessica Pegula Total Sets: O/U 2.5 | 80% Over 2.5 | 20% Under 2.5 |
| Grass Court Championships: Aryna Sabalenka vs Jessica Pegula Match O/U 21.5 | 90% Over | 10% Under |
| Grass Court Championships: Aryna Sabalenka vs Jessica Pegula Set 2 Winner | 77% Sabalenka | 23% Pegula |
| Grass Court Championships: Aryna Sabalenka vs Jessica Pegula | 50% Aryna Sabalenka | 51% Jessica Pegula |
| Completed Match | 50% YES | 50% NO |
| Grass Court Championships: Aryna Sabalenka vs Jessica Pegula Set 1 O/U 8.5 | 100% Over | 0% Under |
Market context
Aryna Sabalenka’s match with Jessica Pegula on grass is being priced as a clear Sabalenka lean, and the 80% crowd-implied side matches their longer-term head-to-head profile. Sabalenka has won 9 of 12 meetings, and the gap in sets is also in her favour at 20-8, which is the kind of record that usually keeps a short favourite short even when the surface narrows the gap a little.[1]
The more recent form line is less one-sided than the historical record. Pegula reached a grass-court quarter-final by beating Madison Keys in 2026, while Sabalenka came through a high-pressure path in Berlin and then met Pegula again in the semi-final picture there, underlining that both players remain live on grass rather than dependent on one-off upsets.[3][4] Earlier in the season, Sabalenka was still producing deep runs at the top end of the draw, including another Australian Open final, while Pegula’s title bid there ended in the semi-finals.[2]
For traders, the key dependencies are straightforward: whether the fixture is played on schedule, whether either player is carrying an injury or withdrawal risk, and whether there are any late tournament reshuffles after the original 20 June slot. The market has a 50-50 fallback if the match is not played, tied, or delayed beyond seven days without a winner, so the immediate catalyst is simply confirmation that the grass-court draw and start time remain intact.[1][6]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $507K.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Sport Prediction, which mirrors the Polymarket order book directly.
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 Sport Prediction, 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.
- 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.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction 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.
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