Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Sport Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Sport Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Sport Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Sport Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Sport Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Sport Prediction → |
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 Sport Prediction.
Active sub-markets
Market context
Ethan Quinn and Francisco Comesana are scheduled to meet in the opening rounds of Roland Garros in late May 2026, with Quinn favoured at 14 per cent implied probability to advance. Both players operate at the margins of the ATP top 100, competing primarily on the secondary tour circuit where consistency and surface adaptation vary considerably match-to-match.
Quinn's recent trajectory shows modest improvement on clay courts, his preferred surface, though he has struggled to convert early-round advantages into deep runs at Masters events. Comesana, an Argentine left-hander, has built a steadier record on European clay over the past eighteen months, with three Challenger titles since early 2025 and a ranking that has climbed into the 80s. The 14 per cent probability assigned to Quinn reflects his lower seeding and recent form disadvantage; comparable unseeded matchups at Roland Garros between players of similar ranking typically see the higher-ranked player priced between 55–70 per cent, suggesting the market views Comesana as the clearer favourite based on current trajectory.
Traders should monitor both players' final warm-up events in the week before Roland Garros, particularly any injury reports or withdrawals from preparatory tournaments. Comesana's recent Challenger performance on clay will be the most reliable indicator of his physical condition heading into Paris. Quinn's draw position and any late ranking shifts affecting seeding could also shift perceived value, though the settlement window extends only to 31 May, providing a narrow window for match completion.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Sport Prediction, which mirrors the Polymarket order book directly.
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 Sport Prediction, 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.
- 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?
- Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction 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 ATP: Ethan Quinn vs Francisco Comesana on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
Trade on Sport Prediction →