Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
4% | 96% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
4% | 96% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Kalshi UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Kalshi UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Kalshi UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Kalshi UK → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on Kalshi UK.
Active sub-markets
| Chicago Sky vs. Toronto Tempo | 4% Chicago Sky | 97% Toronto Tempo |
| Spread -2.5 | 93% Toronto Tempo | 7% Chicago Sky |
| Spread -3.5 | 92% Toronto Tempo | 8% Chicago Sky |
| O/U 174.5 | 53% Over | 48% Under |
| Spread -1.5 | 95% Toronto Tempo | 5% Chicago Sky |
| O/U 173.5 | 53% Over | 48% Under |
Market context
The Chicago Sky face the Toronto Tempo on 7 June at 3:00 PM ET in a regular-season WNBA matchup. Polymarket currently prices a Chicago victory at 4%, implying Toronto enters as a heavy favourite. This pricing reflects the conditional token structure on Polygon: traders holding YES tokens (Chicago win) receive full USDC payout only if Chicago prevails; Toronto backers hold the complementary NO position. The settlement window closes at 19:00 ET on match day, allowing roughly four hours post-game for resolution once official results confirm.
Historical WNBA matchups between these franchises provide limited direct precedent for calibrating such skewed odds. However, comparable Polymarket sports contracts show that 4% probabilities typically emerge when one team carries substantial structural advantages—roster depth, recent form, home-court dynamics, or injury status. Toronto's implied dominance here warrants scrutiny of current roster availability, recent head-to-head records, and any late-breaking lineup changes. The WNBA regular season runs through September, so mid-season form fluctuations and fatigue patterns matter more than preseason projections.
Traders should monitor official team announcements through 7 June morning regarding player availability, particularly any injuries to key contributors. Schedule congestion—whether either team played the previous night—can shift performance expectations materially. Polymarket's on-chain mechanics mean once the game concludes and results post to official WNBA records, the conditional tokens resolve automatically; postponement keeps the market open until completion, whilst outright cancellation without rescheduling triggers a 50-50 split.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $742K.
Methodology
We track Chicago Sky vs. Toronto Tempo on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.
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?
- On Kalshi UK, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- Is this market available outside the US?
- Kalshi UK is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- 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's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- 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.
Trade Chicago Sky vs. Toronto Tempo on Kalshi UK
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