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 |
|---|---|
| Golden State Valkyries vs. Toronto Tempo | 100% |
| Spread -7.5 | 100% |
| Kayla Thornton: Points O/U 7.5 | 100% |
| Kayla Thornton: Rebounds O/U 4.5 | 100% |
| Marina Mabrey: Rebounds O/U 3.5 | 100% |
| Isabelle Harrison: Points O/U 13.5 | 100% |
| Isabelle Harrison: Rebounds O/U 5.5 | 100% |
| Isabelle Harrison: Points O/U 12.5 | 100% |
| Veronica Burton: Assists O/U 5.5 | 51% |
| Marina Mabrey: Assists O/U 3.5 | 51% |
| Veronica Burton: Rebounds O/U 2.5 | 50% |
| Gabby Williams: Assists O/U 2.5 | 50% |
| Marina Mabrey: Assists O/U 4.5 | 1% |
| O/U 169.5 | 0% |
| Marina Mabrey: Points O/U 20.5 | 0% |
| Gabby Williams: Points O/U 13.5 | 0% |
| Nyara Sabally: Points O/U 12.5 | 0% |
| Veronica Burton: Points O/U 10.5 | 0% |
| Nyara Sabally: Rebounds O/U 5.5 | 0% |
| Gabby Williams: Rebounds O/U 3.5 | 0% |
| Gabby Williams: Points O/U 14.5 | 0% |
| O/U 168.5 | 0% |
| O/U 167.5 | 0% |
| Nyara Sabally: Points O/U 11.5 | 0% |
| O/U 166.5 | 0% |
| Veronica Burton: Rebounds O/U 3.5 | 0% |
| O/U 165.5 | 0% |
Market context
The underlying real-world event is a WNBA game scheduled for July 8 at 7:00PM ET between the Golden State Valkyries and the Toronto Tempo, where the market resolves to the winner based on the final score including overtime. Historical precedents for 100% YES probabilities in sports prediction markets are exceptionally rare and typically occur only when a team possesses an insurmountable advantage, such as a dominant five-game win streak combined with a significant injury crisis for the opponent. In comparable cases, such as a top-tier basketball team facing a squad missing its primary scorer, the market has consistently resolved to the favoured side, validating the crowd-implied certainty when form and roster depth align decisively.
Traders should monitor immediate announcements regarding the Toronto Tempo’s injury list, as recent reports indicate their defensive form is compromised by key absences that could widen the scoring gap. The Athletic notes that Golden State is laying 7.5 points with a projected total of 169, suggesting the Valkyries’ defensive structure is the primary catalyst for the expected outcome. Any schedule changes or postponement notices before the settlement window ends on 2026-07-08 must be watched closely, as a cancellation without a make-up game would resolve the market 50-50, undermining the current probability. The Valkyries’ current 15-7 record and seven-point average margin further reinforce the likelihood of a decisive victory, provided no external dependencies disrupt the contest.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $493K.
Methodology
Sports-specific comparison page for Golden State Valkyries vs. Toronto Tempo. 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
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- 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.
- 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.
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