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
| Lexus Eastbourne Open: Arthur Fery vs Juan Manuel Cerundolo Set 1 O/U 8.5 | 0% Over | 100% Under |
| Lexus Eastbourne Open: Arthur Fery vs Juan Manuel Cerundolo Set 2 Winner | 0% Fery | 100% Cerundolo |
| Lexus Eastbourne Open: Arthur Fery vs Juan Manuel Cerundolo Set Handicap +/-1.5 | 0% Fery | 100% Cerundolo |
| Lexus Eastbourne Open: Arthur Fery vs Juan Manuel Cerundolo | 0% Arthur Fery | 100% Juan Manuel Cerundolo |
| Completed Match | 100% YES | 0% NO |
| Lexus Eastbourne Open: Arthur Fery vs Juan Manuel Cerundolo Match O/U 21.5 | 0% Over | 100% Under |
Market context
Arthur Fery and Juan Manuel Cerundolo are set to face off in a crucial first-round match at the Lexus Eastbourne Open on Devonshire Park’s grass courts, originally scheduled for 7:30 AM ET today. The market currently prices Fery’s chance of advancing at 0% YES, implying near-total certainty that Cerundolo will win or the match will not produce a Fery victory. This stark pricing mirrors historical cases at ATP 250 grass events where lower-ranked players with limited grass experience—like Fery, who has only two prior ATP grass matches—have been heavily discounted against seasoned competitors, even when form suggests competitiveness.
Traders should monitor the official ATP daily schedule for any delays, cancellations, or player withdrawals, as the settlement window closes on 1 July 2026 and conditional tokens on Polygon (USDC) resolve strictly on match completion. Recent updates from the ATP Tour confirm Draper’s return and Pinnington Jones’ win, but no specific mention of Fery or Cerundolo’s status beyond the scheduled time [4]. Any change in weather, court conditions, or player fitness could shift the 0% pricing, especially given the match’s dependency on being played within seven days of the original date to avoid a 50-50 resolution. On-chain, Polymarket users can track liquidity shifts in real time, where even minor news can trigger rapid repricing before the conditional token settles.
Methodology
We track Lexus Eastbourne Open: Arthur Fery vs Juan Manuel Cerundolo on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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
- 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.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Kalshi UK 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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