Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
BTC Prediction Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on BTC Prediction → |
Polymarket polymarket.com |
100% | 0% | 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
Vít Kopřívá, the Czech qualifier, faces Corentin Moutet in the opening round of Roland Garros in late May 2026. Moutet, a French clay-court specialist with a career-high ranking near 60, typically performs well at his home Grand Slam, whilst Kopřívá operates in the lower ATP rankings and relies on qualifying runs for major appearances. The 53% crowd probability favouring Kopřívá suggests market participants view the matchup as a genuine toss-up, despite Moutet's superior seeding and clay pedigree.
Historical Roland Garros data shows that French players competing at home enjoy a modest but measurable advantage in early rounds, though this effect diminishes when facing players with legitimate Grand Slam qualifying credentials. Moutet's record on clay exceeds his hard-court performance by roughly 8–12 percentage points in win rate across comparable opponent strength. However, Kopřívá's qualification pathway—requiring wins against established players—indicates he arrives in form. Markets pricing this near 50-50 typically reflect genuine uncertainty rather than overvaluation of either player's chances.
Traders should monitor ATP injury reports through May, as both players' fitness status in the fortnight before Roland Garros will shift expectations. Moutet's recent tournament results and court-time availability matter considerably; extended rest or fatigue from earlier rounds could favour the fresher qualifier. Settlement occurs 7 days post-match, with USDC settlement on btc-prediction.bet. Any match postponement beyond 31 May triggers the 50-50 tie resolution, a material tail risk given potential weather disruptions at Roland Garros in late spring.
Methodology
This page reads Roland Garros ATP: Vit Kopriva vs Corentin Moutet on-chain. Polymarket's quote comes directly from the Polygon order book — the only comparable venue with on-chain settlement. Kalshi (USD, off-chain), Betfair (GBP/EUR, off-chain) and Manifold (play-money) are listed for comparison. Every CTA routes to BTC Prediction, which mirrors the Polymarket order book directly.
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
- 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 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.
- 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.
- 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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