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 |
|---|---|
| Contrexeville: Leolia Jeanjean vs Alice Tubello | 100% |
| Completed Match | 100% |
| Contrexeville: Leolia Jeanjean vs Alice Tubello Set 1 O/U 8.5 | 100% |
| Contrexeville: Leolia Jeanjean vs Alice Tubello Set 2 Winner | 100% |
| Contrexeville: Leolia Jeanjean vs Alice Tubello Match O/U 21.5 | 100% |
| Contrexeville: Leolia Jeanjean vs Alice Tubello Set 2 O/U 8.5 | 100% |
| Contrexeville: Leolia Jeanjean vs Alice Tubello Total Sets: O/U 2.5 | 100% |
| Contrexeville: Leolia Jeanjean vs Alice Tubello Match O/U 22.5 | 100% |
| Contrexeville: Leolia Jeanjean vs Alice Tubello Match O/U 23.5 | 100% |
| Contrexeville: Leolia Jeanjean vs Alice Tubello Set 1 Winner | 0% |
| Contrexeville: Leolia Jeanjean vs Alice Tubello Set Handicap +/-1.5 | 0% |
| Contrexeville: Leolia Jeanjean vs Alice Tubello Set 1 O/U 9.5 | 0% |
| Contrexeville: Leolia Jeanjean vs Alice Tubello Set 2 O/U 9.5 | 0% |
| Contrexeville: Leolia Jeanjean vs Alice Tubello Set Handicap +/-1.5 | 0% |
| Contrexeville: Leolia Jeanjean vs Alice Tubello Set 1 O/U 10.5 | 0% |
| Contrexeville: Leolia Jeanjean vs Alice Tubello Set 2 O/U 10.5 | 0% |
Market context
Leolia Jeanjean faces Alice Tubello tonight in the WTA 125K Grand Est Open 88 quarterfinal at Contrexeville, with the match scheduled for 11:30 AM ET on clay. On Polymarket, this contract trades at a 100% YES probability for Jeanjean advancing, implying the crowd views her victory as virtually certain despite the on-court reality that both players hold equal career win totals[1]. The pricing reflects a near-total consensus that Tubello will not overcome the French qualifier, a sentiment that diverges from traditional bookmakers who still offer Jeanjean at 2/5 odds rather than a lock[9].
Historically, such 100% implied probabilities in women’s clay-court qualifiers often precede resolution to the 50-50 tiebreaker when matches are cancelled or delayed beyond the seven-day settlement window, as seen in previous WTA 125 events where weather or injury forced postponements. While Jeanjean’s recent three-set victory over Francesca Jones demonstrates resilience[3], the market’s absolute certainty ignores the structural risk of a no-play outcome, which would trigger the conditional token mechanism to split USDC holdings equally on the Polygon network.
Traders should monitor the Tennis Club de Contrexeville weather forecast and the official WTA schedule for any delay announcements before the 15:30 UTC settlement deadline[6][7]. A cancellation or delay exceeding seven days without a winner would immediately invalidate the 100% price, resetting the market to a 50-50 split. With the match set to begin at 15:30 local time, any disruption before the first serve is the primary catalyst that could shift the conditional token outcome from a guaranteed Jeanjean win to a split resolution.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi UK, which mirrors the Polymarket order book directly.
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.
- 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.
- 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 Kalshi UK 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: Leolia Jeanjean vs Alice Tubello on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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