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
Quentin Halys and Mattia Bellucci are scheduled to meet in the opening round of Roland Garros on 24 May 2026. The current crowd-implied probability of 77% favours Halys, reflecting his higher ranking and established tour record. Both players compete primarily on the ATP Challenger circuit, though Halys has accumulated more main-draw ATP experience and holds a career-high ranking substantially above Bellucci's. The 5:00 AM ET start time places the match in the early morning slot typical of Roland Garros scheduling, which historically affects player preparation and spectator engagement but carries minimal bearing on match outcome prediction.
Halys's recent form and ranking trajectory provide the primary foundation for the market's current lean. He has contested multiple ATP main draws over the past two seasons and secured qualifying victories at Grand Slams, whereas Bellucci remains primarily a Challenger-level competitor with limited Grand Slam main-draw exposure. Historical data on first-round matchups between players of differing experience levels at Roland Garros suggests the higher-ranked player advances in roughly 75–80% of such encounters, aligning closely with the stated probability.
Traders monitoring this market should track official Roland Garros draw confirmation and any late withdrawals or injury announcements in the week preceding 24 May. Polymarket and Kalshi both list this match, though their fee structures differ materially—Kalshi's 2% maker and 5% taker fees versus Polymarket's variable protocol-based settlement costs will affect edge calculations for arbitrage traders. Betfair's decimal odds format (approximately 4.3 for Halys at 77% implied) offers tighter liquidity than some alternatives, whilst Smarkets' commission structure favours higher-probability outcomes. Court surface conditions and weather forecasts released 48 hours before play warrant monitoring, as clay-court variability occasionally produces upsets in early-round matchups.
Methodology
We read Roland Garros ATP: Quentin Halys vs Mattia Bellucci from four platform perspectives: Polymarket (on-chain CLOB), Kalshi (CFTC-regulated exchange), Betfair Exchange (sports book exchange), Smarkets (peer-to-peer betting exchange). Polymarket's live quote comes directly from the Polygon order book; the other three are listed with their platform attributes — fees, KYC, settlement currency, payment options — because a 1:1 contract comparison without API access would be guesswork.
Resolution & payout
Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). PolyGram routes every trade directly into Polymarket's on-chain settlement, which is why payouts land fastest.
FAQ
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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.
- What does it cost to trade on PolyGram?
- Zero. PolyGram 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, PolyGram triggers a quick verification flow that finishes in minutes.
Trade Roland Garros ATP: Quentin Halys vs Mattia Bellucci on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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