Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 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
The Roland Garros qualifying match between Nerman Fatic and Kyrian Jacquet is on the board today, but the market is still showing no price for a winner. That usually reflects an information gap rather than a view on the tennis itself: the contest is scheduled, yet the settlement logic also has to allow for a straight win, a retirement, or a no-show outcome if the match is delayed or not completed.
The immediate form line is fairly ordinary. Fatic came through his opening qualifying match against Luka Mikrut in straight sets, 6-4 6-4, while Jacquet advanced past Lorenzo Giustino 6-3 7-6(4). The head-to-head is 1-0 to Fatic, with that prior meeting also on clay, where he won 7-5 6-4. In a small sample, that points to a match-up that has already been competitive on the surface, with neither player carrying a dominant record into today.
For traders, the key variables are the official start time, any revised order of play from Roland Garros, and whether either player is flagged by live-score services or tournament feeds before first serve. ESPN listed the match as pending at 8:30 am ET, and Flashscore and Sofascore were both carrying it as a live fixture on 20 May, suggesting the main risk is schedule movement rather than a long-term suspension. If the match starts, the settlement should be straightforward; if it is postponed beyond the seven-day window without a completed result, the market falls back to 50-50.
Methodology
We track Roland Garros, Qualification ATP: Nerman Fatic vs Kyrian Jacquet 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
- 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.
- 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.
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