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
Ugo Humbert and Quentin Halys, both French players, are scheduled to meet in the first or early round of Roland Garros in May 2026. The 55% implied probability favouring Humbert reflects his superior ranking and recent form, though Halys represents a domestic rival capable of disrupting that narrative on clay, France's traditional surface strength.
Humbert has established himself as a consistent top-100 performer with a left-handed game suited to Roland Garros conditions. His record against French opponents at Grand Slams shows mixed results—home advantage cuts both ways when both players are French, as neither holds a psychological edge. Halys, ranked lower but with clay-court pedigree, has historically performed well in qualifying or early-round scenarios where match sharpness matters more than seeding. The 55–45 split suggests the market views this as a genuine toss-up with a modest lean toward Humbert's ranking advantage.
Traders should monitor both players' spring clay-court results leading into Roland Garros, particularly performances at the ATP 250 events in April and May. Injury reports matter considerably—either player withdrawing before 27 May would trigger the cancellation clause. Coaching changes or fitness concerns flagged by ATP reporters in the weeks before the tournament could shift the probability meaningfully. The settlement window closing on 3 June allows for a 7-day grace period if weather or scheduling delays the match, though Roland Garros rarely experiences such disruptions at the main-draw stage.
Methodology
This page reviews Roland Garros ATP: Ugo Humbert vs Quentin Halys across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Sport Prediction — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 does it cost to trade on Sport Prediction?
- Zero. Sport Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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: Ugo Humbert vs Quentin Halys on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
Trade on Sport Prediction →