Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
73% | 27% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
73% | 27% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| US Open WTA: Aryna Sabalenka vs Jessica Pegula Set 1 O/U 8.5 | 73% |
| US Open WTA: Aryna Sabalenka vs Jessica Pegula | 64% |
| US Open WTA: Aryna Sabalenka vs Jessica Pegula Set 2 Winner | 62% |
| US Open WTA: Aryna Sabalenka vs Jessica Pegula Set 1 Winner | 57% |
| US Open WTA: Aryna Sabalenka vs Jessica Pegula Set 1 O/U 9.5 | 55% |
| US Open WTA: Aryna Sabalenka vs Jessica Pegula Match O/U 21.5 | 55% |
| US Open WTA: Aryna Sabalenka vs Jessica Pegula Game Spread +/-2.5 | 51% |
| Completed Match | 50% |
| US Open WTA: Aryna Sabalenka vs Jessica Pegula Set 2 O/U 8.5 | 50% |
| US Open WTA: Aryna Sabalenka vs Jessica Pegula Set 2 O/U 9.5 | 50% |
| US Open WTA: Aryna Sabalenka vs Jessica Pegula Set 2 O/U 10.5 | 50% |
| US Open WTA: Aryna Sabalenka vs Jessica Pegula Match O/U 22.5 | 50% |
| US Open WTA: Aryna Sabalenka vs Jessica Pegula Match O/U 23.5 | 45% |
| US Open WTA: Aryna Sabalenka vs Jessica Pegula Total Sets: O/U 2.5 | 43% |
| US Open WTA: Aryna Sabalenka vs Jessica Pegula Set Handicap +/-1.5 | 37% |
| US Open WTA: Aryna Sabalenka vs Jessica Pegula Set 1 O/U 10.5 | 25% |
Market context
Based on real-money crowd forecasting, us open wta: aryna sabalenka vs jessica pegula stands at 73% likelihood according to current market consensus. This market refers to the tennis match between Aryna Sabalenka and Jessica Pegula in the US Open WTA, originally scheduled for September 10, 2026 at 7:00PM ET. This market will re…
Methodology
We track US Open WTA: Aryna Sabalenka vs Jessica Pegula across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- 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 Fees. 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.
- 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?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi Fees trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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 US Open WTA: Aryna Sabalenka vs Jessica Pegula on Kalshi Fees
Live order book, 0% fees, USDC settlement in seconds.
Open live market →