Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
7% | 93% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
7% | 93% | 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 the early rounds of Roland Garros in May 2026. Perricard, a 22-year-old from Grenoble, has shown promise on the ATP circuit but remains ranked well outside the top 50; Djokovic, despite his age, continues to compete at Grand Slams and holds a formidable record on clay. The 36% probability assigned to Perricard reflects the structural gap between a rising prospect and a multiple-time Roland Garros champion, though the odds acknowledge genuine uncertainty around Djokovic's form and fitness heading into the tournament.
Historical context suggests that Djokovic's clay-court mastery—he has won Roland Garros fourteen times—typically translates to heavy favouritism against unseeded opponents, even when his ranking has dipped. Comparable early-round matchups involving Djokovic at Roland Garros over the past five years have seen him advance in roughly 85–90% of cases against players outside the top 30. Perricard would need to execute near-perfect tennis and exploit any physical limitations Djokovic might carry into the tournament to secure an upset.
Traders should monitor Djokovic's preparation schedule and any injury reports in the weeks before 24 May. His performance at warm-up events—particularly the Rome Masters in early May—will signal his clay readiness. Perricard's recent ATP results and seeding trajectory matter less than his head-to-head record (if any exists) and his specific preparation for facing a left-hander of Djokovic's calibre. Liquidity and deposit flows on the platform typically spike during the final week before Grand Slam matches; SEPA transfers and Klarna payment rails see elevated activity as European traders position ahead of Roland Garros fixtures.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
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
- 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.
- 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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