Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
75% | 25% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
75% | 25% | 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 |
|---|---|
| Spread -11.5 | 75% |
| Spread -12.5 | 70% |
| Spread -13.5 | 68% |
| Veronica Burton: Assists O/U 6.5 | 65% |
| O/U 164.5 | 61% |
| O/U 165.5 | 59% |
| Gabby Williams: Assists O/U 2.5 | 58% |
| O/U 166.5 | 55% |
| O/U 167.5 | 53% |
| Veronica Burton: Points O/U 11.5 | 50% |
| Janelle Salaün: Points O/U 11.5 | 50% |
| Janelle Salaün: Rebounds O/U 3.5 | 50% |
| Gabby Williams: Rebounds O/U 2.5 | 50% |
| Veronica Burton: Assists O/U 5.5 | 50% |
| Janelle Salaün: Assists O/U 1.5 | 50% |
| Veronica Burton: Points O/U 12.5 | 50% |
| Janelle Salaün: Points O/U 12.5 | 50% |
| Isabelle Harrison: Points O/U 11.5 | 50% |
| Nyara Sabally: Points O/U 10.5 | 50% |
| Isabelle Harrison: Rebounds O/U 5.5 | 50% |
| Nyara Sabally: Rebounds O/U 4.5 | 50% |
| Isabelle Harrison: Points O/U 12.5 | 50% |
| Julie Allemand: Assists O/U 6.5 | 50% |
| Gabby Williams: Points O/U 14.5 | 47% |
| Marina Mabrey: Rebounds O/U 3.5 | 42% |
| Veronica Burton: Rebounds O/U 3.5 | 37% |
| Julie Allemand: Assists O/U 5.5 | 31% |
| Marina Mabrey: Points O/U 19.5 | 15% |
| Toronto Tempo vs. Golden State Valkyries | 6% |
| Marina Mabrey: Assists O/U 3.5 | 0% |
Market context
Toronto Tempo at Golden State Valkyries is a late-season WNBA matchup scheduled for 2 August at 8:30pm ET, and the market’s 6% YES price implies an extreme Toronto upset is being priced, not a close contest. That sits far below the sportsbook picture, where Golden State is generally a heavy favourite: one book had the Valkyries around 1.11 on the moneyline, or roughly a 90% outright win chance, while other listings showed a range closer to 1.13–1.19 and Toronto between 5.75 and 6.70.[1][3][4] By contrast, analyst previews on the same game were more muted on the margin than on the winner, with spreads clustered around Golden State -11.5 to -13.5 rather than anything near a coin flip.[1][2][12]
For historical framing, the best comparison is not to head-to-head results alone but to the shape of the market: a low-single-digit prediction-market price usually appears when books and previews agree on a strong favourite, especially at home, while the underdog still has a live path through variance in basketball scoring. Earlier Valkyries-Tempo meetings this season also came with Golden State favoured by roughly 7.5 to 8.5 points and outright prices around -295 to -340, which is a materially softer stance than the current -11.5 to -13.5 range and helps explain why the crowd-implied Toronto win probability is compressed.[5][6][8]
Traders should watch for three things: confirmed line-ups, any late injury or rest news, and whether the game proceeds on schedule, since postponement would keep the market open until completion while cancellation would force a 50-50 settlement. The main cross-platform divergence is that sportsbook moneylines imply a much higher Golden State win rate than the 6% Toronto price, but not a contradiction so much as a difference between outright win pricing and the market’s sharper focus on an upset outcome.[1][3][18] ESPN’s game page also showed the fixture as scheduled, with live data not yet available, which is useful only as a confirmation that the event existed on the board rather than a signal on result.[19]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $279K.
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 Best Prediction Markets, which mirrors the Polymarket order book directly.
Resolution & payout
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 Best Prediction Markets. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- 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.
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