Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Sport Prediction) Pick polygram.ink (preferred broker) |
65% | 35% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
65% | 35% | 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 -9.5 | 65% |
| Spread -10.5 | 61% |
| Sonia Citron: Assists O/U 4.5 | 56% |
| Spread -12.5 | 54% |
| O/U 167.5 | 53% |
| O/U 169.5 | 49% |
| Spread -13.5 | 49% |
| O/U 170.5 | 48% |
| Georgia Amoore: Points O/U 5.5 | 48% |
| O/U 168.5 | 48% |
| Michaela Onyenwere: Points O/U 7.5 | 46% |
| Georgia Amoore: Assists O/U 2.5 | 38% |
| Lauren Betts: Rebounds O/U 4.5 | 37% |
| Sonia Citron: Points O/U 17.5 | 34% |
| Kiki Iriafen: Points O/U 15.5 | 33% |
| Lauren Betts: Points O/U 6.5 | 33% |
| Sonia Citron: Rebounds O/U 3.5 | 32% |
| Shakira Austin: Assists O/U 2.5 | 30% |
| Shakira Austin: Points O/U 19.5 | 28% |
| Shakira Austin: Rebounds O/U 10.5 | 28% |
| Kiki Iriafen: Rebounds O/U 9.5 | 28% |
| Sonia Citron: Points O/U 18.5 | 28% |
| Michaela Onyenwere: Rebounds O/U 2.5 | 27% |
| Georgia Amoore: Assists O/U 3.5 | 27% |
| Lauren Betts: Rebounds O/U 5.5 | 27% |
| Isabelle Harrison: Assists O/U 2.5 | 19% |
| Toronto Tempo vs. Washington Mystics | 13% |
| Marina Mabrey: Assists O/U 3.5 | 4% |
Market context
The Toronto Tempo travel to Washington on 19 August for a regular-season WNBA matchup against the Mystics, with tipoff scheduled for 7:30PM ET. The 13% implied probability for a Tempo victory reflects their status as significant underdogs in this fixture, despite both franchises operating within the league's competitive midfield this season.
Toronto's recent form has been inconsistent, with the Tempo struggling to maintain consistency through the summer months. Washington, conversely, has demonstrated greater stability in their rotations and execution, particularly in home contests where the Mystics hold a pronounced advantage. Historical matchups between these sides show Washington winning the majority of encounters over the past two seasons, establishing a pattern that underpins the current market pricing. The Tempo's road record this year sits notably below their home performance, a disparity that typically widens against playoff-calibre opponents.
Traders should monitor team availability announcements in the 48 hours preceding tipoff, as injury reports could materially shift the probability. Key absences from either roster—particularly among Washington's perimeter defenders or Toronto's ball handlers—would warrant reassessment. Additionally, the Mystics' recent scheduling demands should be tracked; back-to-back fixtures or extended travel can erode home-court advantage. Beat reporters covering the WNBA have noted that Washington's defensive intensity at home has tightened considerably since mid-August, a development that would further disadvantage Toronto's offensive rhythm. Any official postponement would extend the settlement window beyond the scheduled close.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $155K.
Methodology
Sports-specific comparison page for Toronto Tempo vs. Washington Mystics. 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.
UK Frequently Asked Questions
- 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.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
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