Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
Market context
Kamilla Rakhimova, the Uzbek player ranked outside the top 100, faces Romanian qualifier Jaqueline Cristian in the first round of Roland Garros on 24 May 2026. The Polymarket contract currently prices this match at 100% implied probability for Rakhimova, reflecting either exceptional confidence in her advancement or minimal liquidity depth on the conditional token pair. At this probability extreme, the market is essentially pricing zero uncertainty—a rare state that typically indicates either a heavily favoured player or insufficient on-chain volume to establish a meaningful spread between USDC-backed positions.
Rakhimova's recent trajectory offers limited historical precedent for confident prediction. She has competed sporadically on the ITF circuit and lower-tier WTA events, with inconsistent results that make her performance at a Grand Slam unpredictable. Cristian, by contrast, qualified for Roland Garros and has demonstrated competitive reliability on clay courts, her preferred surface. First-round upsets at majors occur regularly—approximately 15–20% of seeded players fall to unseeded opponents—suggesting the 100% probability may be misaligned with actual match dynamics.
Traders should monitor entry lists and draw confirmations released by the WTA in late May, as late withdrawals or schedule adjustments remain possible. Weather delays at Roland Garros frequently compress the schedule; any postponement beyond 7 days without completion triggers a 50-50 resolution. The settlement window closes 31 May at 09:00 UTC, leaving minimal buffer for extended rain interruptions. Injury reports or late scratches from either player would immediately shift the conditional token valuations on Polygon.
Methodology
We track Roland Garros WTA: Kamilla Rakhimova vs Jaqueline Cristian on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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?
- On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
- 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 Roland Garros WTA: Kamilla Rakhimova vs Jaqueline Cr… on PolyGram
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