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: Lucrezia Stefanini vs Dayana Yastremska Set 1 O/U 8.5 | 100% |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 1 Winner | 100% |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska | 73% |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Match O/U 22.5 | 53% |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Match O/U 23.5 | 53% |
| Completed Match | 50% |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Total Sets: O/U 2.5 | 50% |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Match O/U 21.5 | 50% |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 2 O/U 8.5 | 50% |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 2 O/U 9.5 | 50% |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 2 O/U 10.5 | 50% |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Game Spread +/-1.5 | 50% |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 2 Winner | 46% |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set Handicap +/-1.5 | 25% |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set Handicap +/-1.5 | 4% |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 1 O/U 9.5 | 0% |
| US Open WTA: Lucrezia Stefanini vs Dayana Yastremska Set 1 O/U 10.5 | 0% |
Market context
Based on real-money crowd forecasting, pronóstico: us open wta: lucrezia stefanini vs dayana yastremska stands at 100% likelihood according to current market consensus. This market refers to the tennis match between Lucrezia Stefanini and Dayana Yastremska in the US Open WTA, originally scheduled for August 30, 2026 at 11:00AM ET. This market wil…
Methodology
We track Pronóstico: US Open WTA: Lucrezia Stefanini vs Dayana Yastremska 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
- 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 Polymarket Qué Es. 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'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.
Trade Pronóstico: US Open WTA: Lucrezia Stefanini vs Dayan… on Polymarket Qué Es
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