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
Polymarket's conditional token pricing on Polygon currently values Mpetshi Perricard's chances at 30%, implying a 70% probability favoring Djokovic in their scheduled Roland Garros first-round encounter. The USDC-denominated contract reflects market consensus that the 22-year-old French player faces a steep task against a competitor who has won the clay-court Grand Slam a record 10 times, though Djokovic's recent form and injury history introduce genuine uncertainty into what would normally appear a one-sided matchup.
Mpetshi Perricard's trajectory offers the primary historical anchor for calibrating this probability. He reached the ATP 500 final in Basel last autumn and broke the top 50 in early 2025, demonstrating genuine progress on hard courts and faster surfaces. However, his clay-court record remains underdeveloped—he has limited Roland Garros experience and has not yet proven himself capable of sustained performance against elite opponents on the red dirt. Djokovic's dominance on this surface is nearly unmatched across tennis history, though he turned 39 in May 2024 and has managed only selective tournament appearances in recent seasons.
Traders should monitor Djokovic's official entry confirmation and any late injury updates in the fortnight before 24 May. His participation level at Roland Garros varies year to year; withdrawal or retirement mid-tournament would trigger the 50-50 resolution clause if the match remains unplayed beyond seven days from the scheduled date. Weather delays at Roland Garros are routine, but the settlement window extends to 31 May, providing adequate buffer for completion.
Methodology
We track Roland Garros ATP: Giovanni Mpetshi Perricard vs Novak Djokovic 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
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
- 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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