Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Wimbledon WTA: Claire Liu vs Hanne Vandewinkel Set 1 O/U 9.5 | 100% |
| Wimbledon WTA: Claire Liu vs Hanne Vandewinkel Match O/U 22.5 | 100% |
| Wimbledon WTA: Claire Liu vs Hanne Vandewinkel | 100% |
| Completed Match | 100% |
| Wimbledon WTA: Claire Liu vs Hanne Vandewinkel Set 2 O/U 8.5 | 100% |
| Wimbledon WTA: Claire Liu vs Hanne Vandewinkel Match O/U 21.5 | 100% |
| Wimbledon WTA: Claire Liu vs Hanne Vandewinkel Match O/U 23.5 | 100% |
| Wimbledon WTA: Claire Liu vs Hanne Vandewinkel Total Sets: O/U 2.5 | 100% |
| Wimbledon WTA: Claire Liu vs Hanne Vandewinkel Set 1 O/U 8.5 | 100% |
| Wimbledon WTA: Claire Liu vs Hanne Vandewinkel Set 2 Winner | 100% |
| Wimbledon WTA: Claire Liu vs Hanne Vandewinkel Set 1 Winner | 0% |
| Wimbledon WTA: Claire Liu vs Hanne Vandewinkel Set 1 O/U 10.5 | 0% |
| Wimbledon WTA: Claire Liu vs Hanne Vandewinkel Set Handicap +/-1.5 | 0% |
| Wimbledon WTA: Claire Liu vs Hanne Vandewinkel Set 2 O/U 9.5 | 0% |
| Wimbledon WTA: Claire Liu vs Hanne Vandewinkel Set 2 O/U 10.5 | 0% |
Market context
The real-world event is the first-round WTA match between Claire Liu and Hanne Vandewinkel at Wimbledon, scheduled to begin at 6:00 AM ET on 29 June 2026 on Court 9 in London. Liu entered the main draw via qualifying, carrying momentum from her recent run, while Vandewinkel faces a tough opener against a player with strong return pressure and grass-court adaptability.
Historically, markets assigning 0% probability to a qualifier advancing in a first-round match have often mispriced the underlying edge when the qualifier has demonstrated recent form and tactical suitability for the surface. Comparable cases from previous Wimbledon tournaments show that qualifiers with momentum and high return stats frequently outperform their implied odds, particularly against opponents lacking deep grass-court records. Programmatic traders should note that such 0% entries often reflect liquidity gaps rather than genuine impossibility, and conditional orders can be deployed to capture value if live odds shift.
Key catalysts include the official start time confirmation, any pre-match injury reports, and Vandewinkel’s recent performance on grass. A recent analysis from Dimers projects Liu with a 58% win probability, citing her qualifying momentum and return pressure as decisive factors[2]. Traders monitoring this market programmatically should watch for live odds updates on Polymarket and Kalshi, where settlement rules clarify that cancellations or retirements resolve to fair price or play-completed outcomes[1][3]. The settlement window closes on 6 July 2026, giving ample time for delayed matches to be resolved within the two-week rule.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Kalshi Fees, 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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is Kalshi Fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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 Wimbledon WTA: Claire Liu vs Hanne Vandewinkel on Kalshi Fees
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