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
Market context
Aliaksandra Sasnovich faces Storm Hunter in the Wimbledon Qualification WTA semi-final, scheduled for 7:30 PM BST on Court 5 in London. The crowd-implied probability sits at 100% YES for Sasnovich to advance, a stark contrast to their initial odds where she was the pick at 1.68 versus Hunter’s 2.12[1]. This near-certainty mirrors historical patterns where top-ranked qualifiers on grass dominate lower-ranked opponents, yet it ignores their recent head-to-head clash at The HSBC Championships in June, where Hunter defeated Sasnovich 5-7, 7-6, 7-6 in a grueling three-setter[7]. Such volatility suggests the 100% figure may be overconfident, as comparable cases show that even favoured players can falter when facing opponents who have previously proven resilience on similar surfaces.
Traders must monitor the live match outcome and any potential cancellations, as the market resolves to 50-50 if the match is not played, ends in a tie, or is delayed beyond seven days[1]. Key catalysts include the on-court performance, particularly Sasnovich’s ability to convert break points against Hunter’s doubles-first style, which has previously secured her victories[4]. While crypto macro factors like BTC/ETH volatility or USDC settlement flows do not directly influence tennis results, whale flows into prediction markets could shift liquidity if the probability deviates from the current 100%[1]. For real-time updates, refer to WTA Official scores or Tennis Tonic’s live coverage, which tracks set progression and player stats[1][8]. The settlement window ends 14:30 UTC on 1 July 2026, leaving ample time for final resolution.
Methodology
This page reads Wimbledon, Qualification WTA: Aliaksandra Sasnovich vs Storm Hunter 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.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, BTC Prediction 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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