Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
5% | 95% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
5% | 95% | 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
Novak Djokovic faces French qualifier Giovanni Mpetshi Perricard in an early-round Roland Garros ATP encounter scheduled for 24 May 2026. The 36% crowd-implied probability on Polymarket reflects a substantial underdog position for the 23-year-old Frenchman, though the decimal odds representation (1.56 for Djokovic) differs from how Kalshi and Smarkets display equivalent positions. Polymarket's fee structure—typically 2% on both sides—remains competitive with Betfair's commission model, though KYC requirements vary; Kalshi operates under stricter US regulatory oversight, affecting trader accessibility across jurisdictions.
Djokovic's historical record against rising French clay-court specialists and qualifiers provides the baseline for calibrating this probability. Over the past decade, Djokovic has lost to unranked or low-ranked opponents at Roland Garros only twice in the first two rounds, suggesting the 36% odds may overstate Perricard's chances. However, Perricard's recent trajectory—including ATP 250 performances and qualifying success—distinguishes him from typical first-round opponents. Comparable markets on Smarkets and Betfair have historically priced similar mismatches between seeded veterans and emerging French players at 25–30% for the challenger.
Traders should monitor Djokovic's fitness status and any late-draw adjustments before 24 May. Court assignments and weather conditions at Roland Garros can shift match dynamics; clay-court specialists benefit from slower surfaces and extended rallies. Perricard's serve velocity and break-point conversion rates in qualifying rounds will be critical indicators released in the days preceding the match. Settlement occurs 31 May, allowing seven days for completion; any cancellation or delay beyond that window triggers the 50-50 resolution clause.
Methodology
This page compares Roland Garros ATP: Giovanni Mpetshi Perricard vs Novak Djokovic specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. Live odds come from the Polymarket order book; the other venues' contract details are maintained manually because their APIs aren't directly comparable. Every CTA routes to PolyGram, which mirrors the Polymarket order book at 0% fees.
Resolution & payout
Polymarket settles via UMA Optimistic Oracle on Polygon. A proposer posts the outcome with a bond, the two-hour window runs, then the smart contract pays USDC.
Kalshi settles USD through the CFTC-regulated clearinghouse — the cleanest variant, with heavier KYC. Betfair Exchange settles in account currency (GBP/EUR), net of 2-5% commission. Smarkets follows the same model as Betfair with a lower default 2% commission.
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.
- 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.
Trade Roland Garros ATP: Giovanni Mpetshi Perricard vs Nov… on PolyGram
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