Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng Set 2 Winner | 100% |
| Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng Set 2 O/U 9.5 | 100% |
| Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng | 100% |
| Completed Match | 100% |
| Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng Set 1 Winner | 100% |
| Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng Set 1 O/U 9.5 | 100% |
| Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng Set 2 O/U 8.5 | 100% |
| Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng Set 1 O/U 8.5 | 100% |
| Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng Set Handicap +/-1.5 | 100% |
| Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng Set 2 O/U 10.5 | 0% |
| Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng Match O/U 21.5 | 0% |
| Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng Match O/U 23.5 | 0% |
| Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng Match O/U 22.5 | 0% |
| Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng Set 1 O/U 10.5 | 0% |
| Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng Total Sets: O/U 2.5 | 0% |
Market context
Market consensus: 100% chance of wimbledon wta: katerina siniakova vs qinwen zheng. Prediction markets aggregate real capital to produce this probability signal. This market refers to the tennis match between Katerina Siniakova and Qinwen Zheng in the Wimbledon WTA, originally scheduled for June 29, 2026 at 6:00AM ET. This market will reso…
Methodology
We track Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng 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 Kalshi UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Wimbledon WTA: Katerina Siniakova vs Qinwen Zheng on Kalshi UK
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