Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Qué Es) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| US Open WTA: Jessica Pegula vs Leylah Fernandez Set 2 O/U 9.5 | 100% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Set 2 O/U 8.5 | 91% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Set 2 Winner | 74% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Total Sets: O/U 2.5 | 72% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez | 55% |
| Completed Match | 50% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Match O/U 21.5 | 50% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Match O/U 22.5 | 50% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Set 2 O/U 10.5 | 50% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Match O/U 23.5 | 50% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Game Spread +/-4.5 | 10% |
| US Open WTA: Jessica Pegula vs Leylah Fernandez Set 1 O/U 8.5 | 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% |
Market context
Live Polymarket data shows 100% YES probability for Pronóstico: US Open WTA: Jessica Pegula vs Leylah Fernandez. 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 resolve to 'Jessica P…
Methodology
We track Pronóstico: 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
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
FAQ
- 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 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Polymarket Qué Es 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.
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