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 |
|---|---|
| Completed Match | 100% |
| Contrexeville: Rebeka Masarova vs Francesca Curmi Set 2 O/U 8.5 | 100% |
| Contrexeville: Rebeka Masarova vs Francesca Curmi Set 1 O/U 8.5 | 100% |
| Contrexeville: Rebeka Masarova vs Francesca Curmi Set 2 O/U 9.5 | 100% |
| Contrexeville: Rebeka Masarova vs Francesca Curmi Set 1 O/U 9.5 | 100% |
| Contrexeville: Rebeka Masarova vs Francesca Curmi Set Handicap +/-1.5 | 100% |
| Contrexeville: Rebeka Masarova vs Francesca Curmi | 0% |
| Contrexeville: Rebeka Masarova vs Francesca Curmi Total Sets: O/U 2.5 | 0% |
| Contrexeville: Rebeka Masarova vs Francesca Curmi Set 1 Winner | 0% |
| Contrexeville: Rebeka Masarova vs Francesca Curmi Match O/U 21.5 | 0% |
| Contrexeville: Rebeka Masarova vs Francesca Curmi Set 2 Winner | 0% |
| Contrexeville: Rebeka Masarova vs Francesca Curmi Set Handicap +/-1.5 | 0% |
| Contrexeville: Rebeka Masarova vs Francesca Curmi Match O/U 22.5 | 0% |
| Contrexeville: Rebeka Masarova vs Francesca Curmi Match O/U 23.5 | 0% |
| Contrexeville: Rebeka Masarova vs Francesca Curmi Set 2 O/U 10.5 | 0% |
| Contrexeville: Rebeka Masarova vs Francesca Curmi Set 1 O/U 10.5 | 0% |
Market context
Rebeka Masarova faces Francesca Curmi in the WTA 125K Grand Est Open 88 at Contrexeville, France, with the match scheduled to begin at 09:00 UTC today. The on-chain contract on Polymarket currently prices Masarova’s advancement at 0% YES, a stark divergence from traditional sportsbooks where Masarova holds a 1.39 price implying a 72% win probability[1]. This zero pricing suggests the market is either flagging a potential cancellation, a severe injury, or a liquidity anomaly rather than reflecting the players’ actual competitive standing.
Historically, similar zero-price distortions in tennis prediction markets have preceded match cancellations due to weather or player withdrawals, as seen in the 2024 WTA Lyon event where a 0% contract resolved to 50-50 after a rain delay exceeded the seven-day threshold[1]. In cases where the underlying odds remain strong (like Masarova’s 1.39), a 0% price often indicates the contract is awaiting a formal announcement before updating, rather than a genuine belief in Curmi’s superiority. Traders should recall that conditional tokens on Polygon settle based on the official result, not the implied probability, meaning a 0% entry is only profitable if the market corrects before settlement.
The primary catalyst to watch is the official WTA Contrexeville schedule update, which may confirm player availability or a postponement due to the 18°C, 4 km/h wind conditions reported at the venue[9]. A recent preview from TennisPredictions.ai confirms Masarova is the clear favourite to win 6-4, 6-4, reinforcing that the 0% price is likely an error or a pre-announcement freeze[1]. Traders must monitor the FanDuel and 1xBet odds movements for any sudden shifts that could signal a withdrawal, as these external markets often react faster to injury news than on-chain conditional tokens[5][7]. Until the WTA confirms the match status, the 0% price remains a high-risk position dependent on a rapid market correction.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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
- 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 Kalshi UK. 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.
- 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.
- 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.
Trade Contrexeville: Rebeka Masarova vs Francesca Curmi on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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