Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Tax UK Pick polygram.ink |
25% | 75% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Tax UK → |
Polymarket polymarket.com |
25% | 75% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Tax UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Tax UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Tax UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Tax 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 Polymarket Tax UK.
Active sub-markets
| Connecticut Sun vs. PortlandFire | 25% YES | 76% NO |
| O/U 159.5 | 5% YES | 95% NO |
| Spread -1.5 | 32% YES | 69% NO |
| Spread -7.5 | 90% YES | 11% NO |
| O/U 166.5 | 1% YES | 99% NO |
| Spread -6.5 | 83% YES | 18% NO |
Market context
The Connecticut Sun will face the Portland Fire in a WNBA regular-season matchup on 27 May at 22:00 ET. Current market pricing implies a 25% probability of a Sun victory, reflecting Portland's recent form and roster depth. The settlement window closes at 02:00 UTC on 28 May, allowing for overnight resolution following the game's conclusion.
Historical WNBA matchup data between these franchises shows Portland has won three of their last four encounters, though Connecticut's defensive intensity has improved markedly since the 2024 off-season. The 25% implied probability aligns with pre-season projections that favoured Portland as a mid-table playoff contender, whilst Connecticut remains in a rebuilding phase. Comparable late-May games in prior seasons have seen similar probability distributions when a stronger roster faces a developing team in neutral conditions.
Traders should monitor roster availability announcements through 26 May, particularly any late injury reports affecting Connecticut's backcourt or Portland's interior defence. The WNBA's official injury report, typically released 24 hours before tip-off, often shifts market pricing by 3–5 percentage points. Regulatory accessibility varies by jurisdiction: under German GlüStV frameworks, this market remains restricted to licensed operators; US CFTC reach covers binary sports derivatives only where settlement is cash-based and notional exposure exceeds $1,500. The "no-KYC up to $1,500" threshold on certain platforms means traders can establish positions below that notional value without full identity verification, though most prediction market operators require standard verification regardless of stake size.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $652K.
Methodology
This page reviews Connecticut Sun vs. PortlandFire across five venues. We show live odds for Polymarket-based markets (sourced from the Polygon order book); for other venues we list platform attributes, since the comparable contracts are not exposed via a public API on every venue. Every CTA points at Polymarket Tax UK — the application we operate, where you trade directly against the Polymarket order book at 0% fees.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
FAQ
- Where can I trade this market with the lowest fees?
- On Polymarket Tax 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?
- Polymarket Tax 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 Connecticut Sun vs. PortlandFire on Polymarket Tax UK
Live order book, 0% fees, USDC settlement in seconds.
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