Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
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 Kalshi UK.
Active sub-markets
Market context
Kokkinakis versus Carreno Busta is scheduled for the French Open's opening round on 27 May 2026, with the market currently pricing Kokkinakis at zero probability on Polymarket's USDC-settled contract on Polygon. This pricing reflects either extreme confidence in Carreno Busta or, more likely, minimal liquidity and trading activity in what amounts to a qualifying or early-round matchup at a Grand Slam. The settlement window extends to 3 June, allowing a seven-day buffer for scheduling delays or weather interruptions common at Roland Garros.
Carreno Busta's career record against lower-ranked opponents and his consistent seeding at major tournaments historically favour him in such pairings. Kokkinakis, despite occasional upsets, has struggled with consistency and injury management. Previous markets on similar early-round clay-court encounters have shown that unseeded or lower-ranked players rarely command meaningful probability unless they carry recent form or head-to-head advantages. The zero price here suggests traders view this as a straightforward Carreno Busta progression.
Traders monitoring this contract should track official Roland Garros draw confirmations and any late withdrawals or injury announcements from either player in the week preceding the match. Court assignments and weather forecasts become relevant only if the match is delayed; the seven-day resolution window provides substantial protection against single-day postponements. Recent ATP injury reports and Carreno Busta's performance at warm-up events in May will offer the most actionable signals for reconsidering the current pricing.
Methodology
This page reviews Roland Garros ATP: Thanasi Kokkinakis vs Pablo Carreno Busta across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Kalshi UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- Where can I trade this market with the lowest fees?
- On Kalshi UK, 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?
- Kalshi UK 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.
- 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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