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
Rinky Hijikata and Tommy Paul are scheduled to meet in the first round of Roland Garros on 24 May 2026, with the match set for 5:00 AM ET. Polymarket currently prices this contract at 0% YES, reflecting either a technical issue with the market interface or an extreme consensus that Paul advances. The conditional token structure on Polygon means traders holding YES tokens receive full settlement value only if Hijikata wins outright; any cancellation, delay beyond seven days, or incomplete match triggers a 50-50 split of the USDC pool.
Hijikata, ranked outside the top 100 for much of 2025, has limited clay-court pedigree compared to Paul, an American with consistent ATP-level results and prior Grand Slam main-draw experience. Historical precedent suggests markets pricing first-round matches at 0% for the lower-seeded or less-favoured player often reflect genuine skill gaps rather than pricing errors; Paul's baseline consistency and serve have proven reliable against players of Hijikata's profile. The 0% quote may also indicate low liquidity on the YES side, making the market illiquid rather than informationally efficient.
Key variables for traders include official seeding confirmation from the French Tennis Federation and any late withdrawals or injury announcements in the week before play. Weather delays at Roland Garros occasionally compress schedules, though a seven-day buffer exists before the market resolves to 50-50. Monitor ATP injury reports and practice-court updates from the tournament site, typically published by the ATP Tour's official channels in the days preceding the match.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi UK, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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 Kalshi UK?
- Zero. Kalshi UK 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.
Trade Roland Garros ATP: Rinky Hijikata vs Tommy Paul on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
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