Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Wimbledon WTA: Solana Sierra vs Anna Bondar Set 2 O/U 8.5 | 100% |
| Wimbledon WTA: Solana Sierra vs Anna Bondar Set 1 O/U 8.5 | 100% |
| Wimbledon WTA: Solana Sierra vs Anna Bondar Set 1 Winner | 100% |
| Wimbledon WTA: Solana Sierra vs Anna Bondar Total Sets: O/U 2.5 | 100% |
| Wimbledon WTA: Solana Sierra vs Anna Bondar Set 2 O/U 9.5 | 100% |
| Wimbledon WTA: Solana Sierra vs Anna Bondar Set 2 O/U 10.5 | 100% |
| Wimbledon WTA: Solana Sierra vs Anna Bondar Match O/U 21.5 | 100% |
| Wimbledon WTA: Solana Sierra vs Anna Bondar Match O/U 22.5 | 100% |
| Wimbledon WTA: Solana Sierra vs Anna Bondar Match O/U 23.5 | 100% |
| Wimbledon WTA: Solana Sierra vs Anna Bondar | 100% |
| Completed Match | 100% |
| Wimbledon WTA: Solana Sierra vs Anna Bondar Set 2 Winner | 0% |
| Wimbledon WTA: Solana Sierra vs Anna Bondar Set Handicap +/-1.5 | 0% |
| Wimbledon WTA: Solana Sierra vs Anna Bondar Set 1 O/U 9.5 | 0% |
| Wimbledon WTA: Solana Sierra vs Anna Bondar Set 1 O/U 10.5 | 0% |
Market context
The underlying event is the WTA Wimbledon first-round match between Solana Sierra and Anna Bondar, scheduled for 6:00 AM ET on 29 June 2026. Sierra, an Argentine right-hander aged 22, enters with a career-high rank of 56 and a recent 19–18 win–loss record, having survived a three-setter against Dayana Yastremska in April before losing to Qinwen Zheng in Bad Homburg earlier this month[1][4][5].
Historically, crowd-implied probabilities of 0% for a top-60 player like Sierra in a first-round match at Wimbledon are exceptionally rare and usually signal either a severe injury, a withdrawal, or a massive mismatch in form. Comparable cases from 2024–2025 show that when such extreme odds appear, the market often corrects sharply once official WTA updates confirm player status, as seen when Sierra’s own withdrawal from a prior event triggered a 50–50 resolution instead of a decisive loss[5][7].
Traders should monitor the WTA’s official match-day roster updates and any press statements from Sierra’s coaching team regarding fitness, as her recent loss to Zheng suggests possible fatigue or tactical vulnerability[4][5]. Key dependencies include whether Bondar, a Hungarian player with a lower Elo rating, has announced any coaching changes or if Sierra’s medical team releases a status report before the 10:00 UTC settlement deadline on 6 July 2026[2][8]. Any delay beyond seven days from the scheduled date without a winner will force a 50–50 resolution, making timing of official communications critical[5].
Methodology
Sports-specific comparison page for Wimbledon WTA: Solana Sierra vs Anna Bondar. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
Trade Wimbledon WTA: Solana Sierra vs Anna Bondar on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
Open live market →