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 | Trade this market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Completed Match | 100% |
| Contrexeville: Alicia Herrero Linana vs Mayar Sherif Set 2 O/U 8.5 | 100% |
| Contrexeville: Alicia Herrero Linana vs Mayar Sherif Set Handicap +/-1.5 | 100% |
| Contrexeville: Alicia Herrero Linana vs Mayar Sherif | 0% |
| Contrexeville: Alicia Herrero Linana vs Mayar Sherif Set 1 Winner | 0% |
| Contrexeville: Alicia Herrero Linana vs Mayar Sherif Set 2 Winner | 0% |
| Contrexeville: Alicia Herrero Linana vs Mayar Sherif Total Sets: O/U 2.5 | 0% |
| Contrexeville: Alicia Herrero Linana vs Mayar Sherif Set 1 O/U 8.5 | 0% |
| Contrexeville: Alicia Herrero Linana vs Mayar Sherif Match O/U 21.5 | 0% |
| Contrexeville: Alicia Herrero Linana vs Mayar Sherif Set Handicap +/-1.5 | 0% |
| Contrexeville: Alicia Herrero Linana vs Mayar Sherif Set 1 O/U 9.5 | 0% |
| Contrexeville: Alicia Herrero Linana vs Mayar Sherif Match O/U 22.5 | 0% |
| Contrexeville: Alicia Herrero Linana vs Mayar Sherif Set 2 O/U 9.5 | 0% |
| Contrexeville: Alicia Herrero Linana vs Mayar Sherif Set 1 O/U 10.5 | 0% |
| Contrexeville: Alicia Herrero Linana vs Mayar Sherif Set 2 O/U 10.5 | 0% |
| Contrexeville: Alicia Herrero Linana vs Mayar Sherif Match O/U 23.5 | 0% |
Market context
Alicia Herrero Linana faces Mayar Sherif in the WTA 125K Contrexeville quarterfinal on clay in France, with the match scheduled to start at 09:00 UTC today. On Polymarket, this contract trades at 0% YES for Herrero Linana advancing, implying the market views her as virtually certain to lose or the match as unlikely to produce a winner for her side. The settlement window closes on 17 July 2026, and the market resolves to 50-50 if the match is cancelled, delayed beyond seven days, or ends incomplete without a determined winner.
Historically, 0% prices on Polymarket for tennis matches often signal either a confirmed withdrawal, a severe injury, or a mismatch where one player is a heavy favourite in traditional odds. In comparable WTA 125K events, such extreme pricing has preceded matches where the underdog withdrew before play or where the favourite dominated without contest. Herrero Linana’s recent second-round win over Clara Burel on clay suggests she is competitive, yet the 0% implied probability suggests the market has received definitive information contradicting her ability to advance against Sherif [5].
Traders should monitor official WTA announcements for player status updates, particularly any withdrawal notices or medical suspensions before the 09:00 UTC start time. Sherif’s recent form and head-to-head record against European clay-court players will be critical, as her performance in similar tournaments often dictates match outcomes. A live stream of the match on YouTube may provide real-time confirmation of play or cancellation, which would directly impact conditional token resolution on the Polygon network using USDC [6]. Any delay beyond the seven-day threshold would trigger the 50-50 settlement clause, altering the risk profile for holders of either outcome.
Methodology
This page reviews Contrexeville: Alicia Herrero Linana vs Mayar Sherif across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.
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 PolyGram. 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 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 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: Alicia Herrero Linana vs Mayar Sherif on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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