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 |
|---|---|
| Completed Match | 100% |
| Contrexeville: Anna Blinkova vs Aurora Zantedeschi Set 1 O/U 8.5 | 100% |
| Contrexeville: Anna Blinkova vs Aurora Zantedeschi Match O/U 21.5 | 100% |
| Contrexeville: Anna Blinkova vs Aurora Zantedeschi Set 2 O/U 8.5 | 100% |
| Contrexeville: Anna Blinkova vs Aurora Zantedeschi Set 1 O/U 9.5 | 100% |
| Contrexeville: Anna Blinkova vs Aurora Zantedeschi Set 2 O/U 9.5 | 100% |
| Contrexeville: Anna Blinkova vs Aurora Zantedeschi Match O/U 22.5 | 100% |
| Contrexeville: Anna Blinkova vs Aurora Zantedeschi Set Handicap +/-1.5 | 100% |
| Contrexeville: Anna Blinkova vs Aurora Zantedeschi Set 2 O/U 10.5 | 100% |
| Contrexeville: Anna Blinkova vs Aurora Zantedeschi | 0% |
| Contrexeville: Anna Blinkova vs Aurora Zantedeschi Set 1 Winner | 0% |
| Contrexeville: Anna Blinkova vs Aurora Zantedeschi Set 2 Winner | 0% |
| Contrexeville: Anna Blinkova vs Aurora Zantedeschi Total Sets: O/U 2.5 | 0% |
| Contrexeville: Anna Blinkova vs Aurora Zantedeschi Set Handicap +/-1.5 | 0% |
| Contrexeville: Anna Blinkova vs Aurora Zantedeschi Set 1 O/U 10.5 | 0% |
| Contrexeville: Anna Blinkova vs Aurora Zantedeschi Match O/U 23.5 | 0% |
Market context
The WTA 125K quarterfinal in Contrexeville between Anna Blinkova and Aurora Zantedeschi is scheduled to begin today at 11:20 UTC on Court Central, with the match taking place on clay at the Tennis Club de Contrexeville[1][5]. Polymarket prices the contract for Blinkova to advance at 0% YES, implying the crowd expects Zantedeschi to win or the match to be cancelled, despite Blinkova’s stronger career doubles record and recent head-to-head positioning[9][10].
Historically, 0% pricing on Polymarket for active tennis matches usually signals either a confirmed withdrawal, a severe injury, or a scheduling error that has not yet been updated on-chain. In comparable WTA 125K cases, such extreme odds corrected quickly once official tournament feeds confirmed player availability, often resolving to 50-50 if the match was delayed beyond the seven-day settlement window[2][6].
Traders should monitor the official WTA 125K Contrexeville live score feed and Tennis.com’s quarterfinal updates for any withdrawal announcements or weather delays that could trigger the 50-50 resolution clause[2][5]. Since the market settles on USDC via Polygon using conditional tokens, any on-chain cancellation event will automatically trigger the tie resolution without manual intervention, making real-time tournament data the primary catalyst for price movement[1].
Methodology
We track Pronóstico: Contrexeville: Anna Blinkova vs Aurora Zantedeschi 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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- 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 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.
- 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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