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
| Nottingham Open: Marie Bouzkova vs Emma Navarro | 100% Marie Bouzkova | 0% Emma Navarro |
| Nottingham Open: Marie Bouzkova vs Emma Navarro Set 1 O/U 8.5 | 100% Over | 0% Under |
| Nottingham Open: Marie Bouzkova vs Emma Navarro Set Handicap +/-1.5 | 0% Bouzkova | 100% Navarro |
| Nottingham Open: Marie Bouzkova vs Emma Navarro Set 1 O/U 9.5 | 100% Over | 0% Under |
| Nottingham Open: Marie Bouzkova vs Emma Navarro Set 1 O/U 10.5 | 100% Over | 0% Under |
| Nottingham Open: Marie Bouzkova vs Emma Navarro Match O/U 21.5 | 100% Over | 0% Under |
Market context
Emma Navarro and Marie Bouzkova are due to meet in the Nottingham Open final, with the market settling on which player advances. Recent previews and live coverage point to a competitive grass-court match, and several analysts have leaned towards Navarro in a tight three-setter rather than a comfortable straight-sets win.[1][2][4]
A 40% crowd-implied YES price looks more like a modest Navarro edge than a strong conviction, which fits the way finals on grass often trade when serve quality and return pressure can swing quickly. In comparable WTA grass matches, markets typically reprice sharply after the first set because short points, tiebreak risk and break-point conversion matter more than baseline consistency, so the pre-match number can overstate certainty if either player has been serving well through the week.[1][3]
The main catalysts are straightforward: whether the final starts on schedule, whether there are any last-minute fitness or withdrawal updates, and how the draw of the day is handled if weather disrupts play. The contract’s 50-50 fallback if the match is not played or is delayed beyond seven days means the most important risk is not just who wins, but whether the contest is completed inside the settlement window. For crypto-linked traders, that makes the market behave more like a binary event with a hard time limit than a simple tennis outright, so wider BTC or ETH volatility is only relevant indirectly through risk appetite rather than the contract’s outcome.
Methodology
This page reads Nottingham Open: Marie Bouzkova vs Emma Navarro 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
- Where can I trade this market with the lowest fees?
- On BTC Prediction, 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?
- BTC Prediction 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.
- 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.
- 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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