Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
82% | 18% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Trade this market → |
Polymarket (direct) polymarket.com |
82% | 18% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Trade this market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Trade this market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Trade this market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Trade this market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Indiana Fever vs. Toronto Tempo | 82% |
| Aliyah Boston: Rebounds O/U 8.5 | 61% |
| Makayla Timpson: Points O/U 6.5 | 56% |
| Spread -9.5 | 54% |
| Caitlin Clark: Points O/U 24.5 | 50% |
| Spread -10.5 | 50% |
| Marina Mabrey: Points O/U 19.5 | 48% |
| O/U 190.5 | 48% |
| O/U 191.5 | 46% |
| Kelsey Mitchell: Points O/U 25.5 | 45% |
| Makayla Timpson: Rebounds O/U 5.5 | 45% |
| Marina Mabrey: Rebounds O/U 3.5 | 44% |
| Makayla Timpson: Points O/U 7.5 | 44% |
| O/U 192.5 | 44% |
| Kiki Rice: Points O/U 12.5 | 44% |
| Kiki Rice: Assists O/U 4.5 | 44% |
| O/U 193.5 | 42% |
| Aliyah Boston: Points O/U 16.5 | 40% |
| Marina Mabrey: Assists O/U 4.5 | 39% |
| Kiki Rice: Rebounds O/U 4.5 | 37% |
| Aliyah Boston: Rebounds O/U 9.5 | 37% |
| Aneesah Morrow: Rebounds O/U 7.5 | 36% |
| Aneesah Morrow: Rebounds O/U 6.5 | 31% |
| Caitlin Clark: Assists O/U 9.5 | 30% |
| Marina Mabrey: Points O/U 20.5 | 26% |
| Kiki Rice: Assists O/U 5.5 | 24% |
| Caitlin Clark: Assists O/U 10.5 | 23% |
| Kiki Rice: Rebounds O/U 5.5 | 22% |
| Caitlin Clark: Rebounds O/U 4.5 | 21% |
| Aliyah Boston: Assists O/U 3.5 | 20% |
Market context
The Indiana Fever face the Toronto Tempo on 18 August at 7:00 PM ET in a regular-season WNBA matchup. Polymarket currently prices Indiana's victory at 82% (approximately 0.82 USDC per conditional token on Polygon), implying roughly a one-in-five chance for Toronto. The settlement window closes at 23:00 UTC that evening, with resolution determined by the final score including any overtime periods. Should the game be postponed, the market remains open until completion; cancellation without a make-up fixture triggers a 50-50 split.
Indiana enters the 2026 season as a franchise in transition following their 2024 playoff appearance, whilst Toronto's inaugural roster construction remains under evaluation. Historical WNBA matchups between established and expansion-era franchises show considerable variance—new teams occasionally exceed expectations in early seasons, though established sides maintain statistical advantages in roughly 70–75% of such contests. The Fever's home-court status (if applicable) and roster continuity typically favour them in August fixtures when both teams are mid-season.
Traders should monitor injury reports released in the 48 hours preceding tip-off, as WNBA rosters frequently shift due to load management or unexpected absences. Recent scheduling announcements and any last-minute venue changes would alter logistics and potentially affect player availability. Weather conditions are immaterial for an indoor fixture, but travel delays or administrative issues occasionally force postponements. The current 82% probability reflects Indiana's structural advantages, though Toronto's exact roster composition and any notable acquisitions during the off-season could shift market sentiment if disclosed before settlement.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $81K.
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 PolyGram, 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.
UK Frequently Asked Questions
- 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 PolyGram. 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.
- 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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