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 |
|---|---|
| Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet | 100% |
| Completed Match | 100% |
| Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet Set 2 O/U 8.5 | 100% |
| Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet Total Sets: O/U 2.5 | 100% |
| Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet Set 2 Winner | 100% |
| Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet Match O/U 21.5 | 100% |
| Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet Set 2 O/U 9.5 | 100% |
| Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet Match O/U 22.5 | 100% |
| Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet Match O/U 23.5 | 100% |
| Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet Set 1 O/U 8.5 | 0% |
| Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet Set 1 Winner | 0% |
| Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet Set 1 O/U 9.5 | 0% |
| Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet Set Handicap +/-1.5 | 0% |
| Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet Set 1 O/U 10.5 | 0% |
| Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet Set 2 O/U 10.5 | 0% |
| Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet Set Handicap +/-1.5 | 0% |
Market context
Arantxa Rus has already defeated Chloe Paquet 2–1 in the Hamburg European Open qualification final, with the match concluding on 20 July 2026 after a three-set clash on clay [1][4]. The result, 1–6, 6–4, 6–4, confirms Rus advances, making the 100% YES crowd-implied probability for her victory a factual certainty rather than a speculative price [2].
On Polymarket, this contract trades in USDC on Polygon using conditional tokens that lock settlement once the on-chain oracle confirms the official WTA result. Historical precedents for qualification matches with identical outcomes show near-instant resolution once the match score is posted, with no delay in conditional token redemption. In similar WTA qualification cases, markets resolved within minutes of the final set, reflecting the deterministic nature of completed matches where one player clearly advances [1][4].
Traders should monitor the official WTA match report and any post-match withdrawal announcements, though none are expected given the match is finished. The settlement window ending 2026-07-27T09:30:00Z provides ample time for oracle confirmation, and no further catalysts exist beyond the already-determined result. With the outcome confirmed, the only dependency is the timely update of the on-chain oracle to trigger settlement [1][2].
Methodology
We track Hamburg European Open, Qualification: Arantxa Rus vs Chloe Paquet 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
- 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.
- 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.
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