Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Kalshi UK Pick polygram.ink |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Kalshi UK → |
Polymarket polymarket.com |
100% | 0% | 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
| Toronto Tempo vs. Chicago Sky | 100% YES | 0% NO |
| O/U 168.5 | 100% YES | 0% NO |
| Spread -3.5 | 0% YES | 100% NO |
| O/U 167.5 | 100% YES | 0% NO |
| Spread -6.5 | 0% YES | 100% NO |
| O/U 169.5 | 100% YES | 0% NO |
Market context
The Toronto Tempo face the Chicago Sky on 27 May at 8:00 PM ET in a regular-season WNBA matchup. Polymarket currently prices this contract at 100% YES, implying zero probability of a Chicago victory. This extreme skew reflects either a substantial disparity in team strength at the time of pricing, or a thin liquidity pool where early traders have established an uncontested position. On-chain settlement will occur via conditional tokens on Polygon, with USDC collateral backing both outcomes; the market remains open through 28 May should postponement occur.
Historical WNBA season records and head-to-head matchups between expansion franchises and established rosters provide context for interpreting such asymmetric pricing. The Tempo, as a newer franchise, typically carry longer odds in early-season fixtures against established competitors like the Sky, though regular-season parity across the league has tightened considerably since 2020. A 100% probability assigned to either outcome in a professional sports contest is uncommon and warrants scrutiny—such pricing often signals either incomplete information among market participants or a liquidity event where one side has moved the contract without substantial counter-trading.
Traders should monitor official WNBA injury reports and roster confirmations in the days preceding the fixture, particularly regarding key rotation players for either squad. Weather conditions affecting travel to the venue, last-minute schedule adjustments, and any league-wide operational announcements represent material catalysts. The settlement window's extension to 28 May accommodates postponement scenarios, though cancellation without rescheduling would trigger a 50-50 split—a tail risk that becomes relevant only if extraordinary circumstances prevent completion.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $277K.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
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 does it cost to trade on Kalshi UK?
- Zero. Kalshi UK routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- 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.
Trade Toronto Tempo vs. Chicago Sky on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
Trade on Kalshi UK →