Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Qué Es) Pick polygram.ink (preferred broker) |
68% | 32% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
68% | 32% | 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: Venus Williams vs Sofia Kenin Set Handicap +/-1.5 | 68% |
| US Open WTA: Venus Williams vs Sofia Kenin Match O/U 21.5 | 66% |
| US Open WTA: Venus Williams vs Sofia Kenin Set 1 O/U 8.5 | 61% |
| US Open WTA: Venus Williams vs Sofia Kenin Game Spread +/-5.5 | 54% |
| Completed Match | 50% |
| US Open WTA: Venus Williams vs Sofia Kenin Set 2 O/U 8.5 | 50% |
| US Open WTA: Venus Williams vs Sofia Kenin Set 1 O/U 9.5 | 50% |
| US Open WTA: Venus Williams vs Sofia Kenin Set 2 O/U 9.5 | 50% |
| US Open WTA: Venus Williams vs Sofia Kenin Set 2 O/U 10.5 | 50% |
| US Open WTA: Venus Williams vs Sofia Kenin Total Sets: O/U 2.5 | 27% |
| US Open WTA: Venus Williams vs Sofia Kenin Match O/U 23.5 | 27% |
| US Open WTA: Venus Williams vs Sofia Kenin Match O/U 22.5 | 24% |
| US Open WTA: Venus Williams vs Sofia Kenin Set 2 Winner | 23% |
| US Open WTA: Venus Williams vs Sofia Kenin Set 1 Winner | 21% |
| US Open WTA: Venus Williams vs Sofia Kenin Set 1 O/U 10.5 | 17% |
| US Open WTA: Venus Williams vs Sofia Kenin | 14% |
Market context
Traders on decentralised prediction markets give 68% probability to pronóstico: us open wta: venus williams vs sofia kenin. This market refers to the tennis match between Venus Williams and Sofia Kenin in the US Open WTA, originally scheduled for August 30, 2026 at 11:00AM ET. This market will resolve to 'Venus Williams' …
Methodology
We track Pronóstico: US Open WTA: Venus Williams vs Sofia Kenin 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.
- 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.
- 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.
Trade Pronóstico: US Open WTA: Venus Williams vs Sofia Kenin on Polymarket Qué Es
Live order book, 0% fees, USDC settlement in seconds.
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