Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Scam? Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Scam? → |
Polymarket polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Scam? → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Scam? → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Scam? → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Scam? → |
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 Polymarket Scam?.
Active sub-markets
| Nottingham Open: Maya Joint vs Yulia Starodubtseva Match O/U 21.5 | 100% Over | 0% Under |
| Nottingham Open: Maya Joint vs Yulia Starodubtseva Match O/U 22.5 | 100% Over | 0% Under |
| Nottingham Open: Maya Joint vs Yulia Starodubtseva Match O/U 23.5 | 100% Over | 0% Under |
| Nottingham Open: Maya Joint vs Yulia Starodubtseva Set 2 Winner | 0% Joint | 100% Starodubtseva |
| Nottingham Open: Maya Joint vs Yulia Starodubtseva Set 2 O/U 9.5 | 100% Over | 0% Under |
| Nottingham Open: Maya Joint vs Yulia Starodubtseva Set 2 O/U 10.5 | 100% Over | 0% Under |
Market context
The Nottingham Open grass-court tournament will host a first-round match between British qualifier Maya Joint and Russian player Yulia Starodubtseva on 15 June 2026. Joint, ranked outside the top 200, competes primarily on the ITF circuit and rarely faces WTA-ranked opponents in main-draw competition. Starodubtseva, a former junior champion with WTA experience, represents the significantly higher-ranked player in this pairing. The 100% implied probability on Polymarket's USDC-denominated contract reflects overwhelming market confidence in Starodubtseva's advancement, though the conditional token structure means traders are pricing near-certainty rather than absolute certainty.
Historical precedent from grass-court qualifiers shows that ranking disparities of this magnitude—typically 150+ positions—correlate with upset rates below 5% in professional tennis. Starodubtseva's previous grass-court performances and consistent WTA main-draw appearances establish a clear baseline for comparison. However, Nottingham's qualifying draw occasionally produces unexpected results; the tournament's lower seeding depth and fast court conditions have occasionally favoured lower-ranked players with strong serve-and-volley games.
Traders should monitor official tournament draws released in early June and any late withdrawals or injury announcements affecting either player. Starodubtseva's recent match fitness and performance in lead-up events will provide concrete data before settlement. The 7-day delay clause and incomplete-match resolution rules create edge cases; weather disruptions affecting grass courts or player illness could trigger the 50-50 resolution threshold, though such scenarios remain statistically unlikely given the June scheduling window.
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 Polymarket Scam?, 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 Polymarket Scam??
- Zero. Polymarket Scam? 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, Polymarket Scam? 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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