Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
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 pits Anna Blinkova against Aurora Zantedeschi on French clay, with the match scheduled for 13:00 UK time today. Blinkova, ranked 114th globally, faces Zantedeschi, who sits at 364th and recently lost to Lisa Pigato in the same tournament despite a narrow margin [1][8]. This contest represents a significant disparity in experience and ranking, yet the prediction market currently implies a 0% chance for Blinkova to advance, creating a stark divergence from analyst consensus.
Historical precedents in lower-tier WTA events show that prediction markets occasionally misprice matches involving higher-ranked players when liquidity is thin or when late withdrawals are suspected, but a 0% implied probability for a player ranked 250 spots higher is anomalous. In comparable cases, such as mismatched quarterfinals on clay, sportsbooks typically assign the top-ranked player a 70–80% win probability, with BetClan’s algorithm projecting a 77% chance for Blinkova to win the match and 73% for the first set [2][4]. This suggests the market’s current pricing may reflect a technical error or unconfirmed cancellation rather than genuine competitive expectation.
Traders should monitor official WTA tournament updates for any withdrawal announcements or weather-related delays, as clay-court matches in Contrexeville are susceptible to rain interruptions. Zantedeschi’s recent loss to Pigato indicates vulnerability, but Blinkova’s form and ranking advantage remain the primary catalysts for a likely outcome [1]. No formal news has confirmed a cancellation, so the 0% line warrants scrutiny against live sportsbook odds, which currently align with the 73–77% probability for Blinkova [2][4].
Methodology
We track 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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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.
- 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 PolyGram 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.
Trade Contrexeville: Anna Blinkova vs Aurora Zantedeschi on PolyGram
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