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
Polymarket is pricing Henrique Rocha to advance at 100% YES, so the contract is effectively trading at the extreme end of conviction on the Polygon network, with USDC-backed conditional tokens already implying no meaningful market doubt. The practical read is that traders are treating Rocha as the likelier winner, though the settlement still depends on the match being completed as described, since a cancellation, tie or a delay beyond seven days would push the market to 50-50 under the rules.
The most relevant context is that both players came through qualifying with straight-sets wins and no sets dropped in the event before this meeting. Rocha, ranked around 118 and coming off a 6-4, 7-6(4) win over Zsombor Piros, has the higher reputation in the market, while Gojo’s route included a 6-3, 6-4 win over Sascha Gueymard Wayenburg. That combination of clean qualification and a clay-court setting makes the price more about whether Rocha’s established level translates again than about any obvious form gap.
For traders, the main catalysts are simple: whether the Paris schedule holds, whether the match starts on Court 8 as listed by live-score services, and whether either player is forced into a late withdrawal or walkover before play begins. Recent previews noted Rocha as the bookmaker favourite at around 1.54, but also pointed to Gojo’s stronger recent win rate, so any late line movement would likely come from fitness, court conditions or draw updates rather than fresh head-to-head data.
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
- 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.
- 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 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.
- 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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