Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 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: Jessica Pegula vs Leylah Fernandez | 100% |
| Completed Match | 100% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Set 2 Winner | 100% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Total Sets: O/U 2.5 | 100% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Set 2 O/U 8.5 | 100% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Match O/U 21.5 | 100% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Set 2 O/U 9.5 | 100% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Match O/U 22.5 | 100% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Match O/U 23.5 | 100% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Set 1 O/U 8.5 | 0% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Game Spread +/-4.5 | 0% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Set Handicap +/-1.5 | 0% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Set 1 Winner | 0% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Set 1 O/U 9.5 | 0% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Set 1 O/U 10.5 | 0% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Set 2 O/U 10.5 | 0% |
Market context
Market consensus: 100% chance of us open wta: jessica pegula vs leylah fernandez. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Jessica Pegula and Leylah Fernandez in the US Open WTA, originally scheduled for September 4, 2026 at 11:00AM ET. This market will r…
Methodology
We track US Open WTA: Jessica Pegula vs Leylah Fernandez 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 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 Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
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