Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on BTC Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on BTC Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on BTC Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on BTC Prediction → |
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 BTC Prediction.
Active sub-markets
Market context
Francisco Cerundolo and Zachary Svajda are scheduled to meet in the opening rounds of Roland Garros ATP in late May 2026. Cerundolo, the Argentine left-hander ranked in the mid-80s, has shown inconsistent form on clay but possesses a dangerous serve and baseline game. Svajda, the American prospect, remains outside the top 100 and has limited experience at Grand Slam level. The match carries typical first-round volatility—both players are capable of sharp performances or sudden collapses depending on court conditions and early momentum.
The 0% implied probability reflects genuine uncertainty rather than a clear favourite. Comparable early-round ATP clay matchups between unseeded or low-ranked players routinely settle on court performance rather than pre-tournament consensus. Cerundolo's recent record against similar-ranked opponents shows marginal edges, but Svajda's youth and improving serve speed create genuine competitive paths. Historical data from Flashscore and ATP archives shows such pairings rarely exhibit dominant favouritism; outcomes depend heavily on first-set execution and surface adaptation.
Traders should monitor official Roland Garros scheduling confirmations through May, as weather delays and court reassignments are material to settlement mechanics. Injury updates on either player carry outsized weight given their ranking proximity—a late withdrawal triggers the 50-50 tie resolution. USDC settlement occurs post-match completion; funding rates on comparable tennis markets at btc-prediction.bet typically tighten 48 hours before play as traders hedge exposure. Watch for ATP ranking shifts in the weeks before the tournament, which may alter seeding and bracket positioning.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $3.0M.
Methodology
Methodologically this overview focuses on on-chain pricing: Polymarket's live mid comes from the Polygon conditional-token order book and settles automatically in USDC. The other three venues — Kalshi, Betfair, Manifold — are listed with their platform attributes, because they operate off-chain and a 1:1 comparison of contract mechanics isn't possible.
Resolution & payout
Settlement is on-chain via UMA Optimistic Oracle. A proposer posts the outcome with a bond, a two-hour dispute window opens, then the smart contract lifts winning conditional tokens to 1 USDC and sends payments to holders' wallets automatically. No withdrawal fees beyond Polygon gas.
Off-chain venues (Kalshi, Betfair, Smarkets) settle in local fiat through bank-side clearing — faster than SWIFT, slower than on-chain. Manifold pays no real cash.
FAQ
- Is this market available outside the US?
- BTC Prediction 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 BTC Prediction?
- Zero. BTC Prediction 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, BTC Prediction 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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