Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Who Will Win) 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 |
|---|---|
| Completed Match | 100% |
| Contrexeville: Elina Avanesyan vs Alicia Herrero Linana Set 2 O/U 8.5 | 100% |
| Contrexeville: Elina Avanesyan vs Alicia Herrero Linana Set 2 O/U 9.5 | 100% |
| Contrexeville: Elina Avanesyan vs Alicia Herrero Linana Set Handicap +/-1.5 | 100% |
| Contrexeville: Elina Avanesyan vs Alicia Herrero Linana | 0% |
| Contrexeville: Elina Avanesyan vs Alicia Herrero Linana Set 1 Winner | 0% |
| Contrexeville: Elina Avanesyan vs Alicia Herrero Linana Set 1 O/U 8.5 | 0% |
| Contrexeville: Elina Avanesyan vs Alicia Herrero Linana Match O/U 21.5 | 0% |
| Contrexeville: Elina Avanesyan vs Alicia Herrero Linana Set 2 Winner | 0% |
| Contrexeville: Elina Avanesyan vs Alicia Herrero Linana Total Sets: O/U 2.5 | 0% |
| Contrexeville: Elina Avanesyan vs Alicia Herrero Linana Set 1 O/U 9.5 | 0% |
| Contrexeville: Elina Avanesyan vs Alicia Herrero Linana Match O/U 22.5 | 0% |
| Contrexeville: Elina Avanesyan vs Alicia Herrero Linana Set 1 O/U 10.5 | 0% |
| Contrexeville: Elina Avanesyan vs Alicia Herrero Linana Match O/U 23.5 | 0% |
| Contrexeville: Elina Avanesyan vs Alicia Herrero Linana Set Handicap +/-1.5 | 0% |
| Contrexeville: Elina Avanesyan vs Alicia Herrero Linana Set 2 O/U 10.5 | 0% |
Market context
The underlying event is the WTA 125 tennis match between Elina Avanesyan and Alicia Herrero Linana in Contrexeville, France, scheduled to begin at 11:20 UTC on 7 July 2026. The market currently assigns a 0% implied probability to Avanesyan advancing, a figure that starkly contradicts the head-to-head and form data which heavily favour her. Historical precedents in similar WTA 125 contests show that when a player with a superior win-loss record faces a significantly weaker opponent, the crowd-implied probability rarely drops to zero unless a critical injury or withdrawal has occurred, which is not the case here. The consensus appears to be an extreme contrarian bet against Avanesyan, potentially driven by a misinterpretation of recent schedule fatigue, whereas the value likely sits in recognising that the 0% pricing is an anomaly that ignores Avanesyan’s 21–12 record in 2026 compared to Herrero Linana’s 12–16 struggle.
Traders must monitor the official WTA entry list and any real-time court announcements regarding player fitness, as the match is set for Court 2 with conditions of 16°C and 64% humidity. Recent head-to-head analysis from Tennis Tonic indicates Avanesyan holds a decisive advantage, with a 1–3 record in 2025 but a dominant 19–8 set win ratio in 2026, suggesting Herrero Linana is the underdog with little value at current pricing. The primary catalyst to watch is the official start time confirmation, as delays beyond seven days without a winner would trigger a 50–50 settlement, a risk that is currently unpriced given the 0% market stance. No recent news source suggests a withdrawal, meaning the market’s extreme pricing likely reflects a liquidity error rather than genuine risk, offering a clear value spot for those betting on Avanesyan to advance.
Methodology
We track Contrexeville: Elina Avanesyan vs Alicia Herrero Linana 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
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Who Will Win 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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