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
The latest change is that Rocha and Gojo have already been scheduled on Court 8 for Roland Garros qualifying, with live scoring listings showing the match in Paris and Roland Garros’ own site recording the result. Rocha beat Gojo in three sets, a useful reminder that the market is effectively about a completed qualifying tie rather than an open question. With the crowd sitting at 100% YES on Rocha, the price is signalling the outcome has already been locked in by the on-court result, leaving only the settlement mechanics to matter.
For context, the pair had no previous head-to-head before this meeting, so pre-match modelling leaned heavily on surface form and clay suitability rather than rivalry history. Initial odds in preview pieces had Rocha favoured, and the eventual three-set finish fits the usual pattern on French Open clay, where margin often comes from endurance and return game rather than serve dominance. In comparable qualifying matches, once the ATP and tournament feeds show a winner, the market typically resolves on the basis of advancement, not the exact scoreline.
The main catalysts now are administrative rather than sporting: confirmation that the match is marked complete across official and live scoring sources, and whether any correction or abandonment note appears within the settlement window. Sofascore and Roland Garros listings already point to a finished contest, so traders should watch for any discrepancy in official draw updates, walkover language, or post-match corrections from the tournament. If no such issue emerges, the result should remain straightforward for settlement.
Methodology
We track Roland Garros, Qualification ATP: Henrique Rocha vs Borna Gojo 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
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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.
- 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.
- 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.
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