Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Sport Prediction Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Sport Prediction → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Sport Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Sport Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Sport Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Sport Prediction → |
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 Sport Prediction.
Active sub-markets
| Phoenix Mercury vs. New York Liberty | 0% YES | 100% NO |
| Spread -6.5 | 100% YES | 0% NO |
| O/U 171.5 | 0% YES | 100% NO |
| O/U 169.5 | 0% YES | 100% NO |
| O/U 170.5 | 0% YES | 100% NO |
| Spread -5.5 | 100% YES | 0% NO |
Market context
The Phoenix Mercury travel to face the New York Liberty on 29 May at 7:30 PM ET in a regular-season WNBA matchup. The 0% implied probability on a Mercury victory reflects the Liberty's superior positioning heading into late May, though such extreme valuations in WNBA markets often signal either genuine dominance or mispricing in lower-liquidity venues.
Historical context matters here: the Liberty have been the stronger franchise over the past two seasons, reaching the 2023 Finals and maintaining playoff contention through roster continuity. The Mercury, conversely, have undergone significant transitions, with Diana Taurasi's age (42 at season start) and injury history creating roster uncertainty. Markets pricing Mercury at zero reflect this structural gap, yet WNBA games remain volatile—single-game outcomes frequently diverge from season-long quality differentials. A comparable case: lower-seeded teams regularly upset favourites in May when rotations remain experimental and fatigue patterns unpredictable.
Traders should monitor injury reports through to tip-off, particularly regarding Taurasi's availability and any Liberty rotation changes following their schedule density in late May. Recent reporting from WNBA beat writers has emphasised the Liberty's depth advantage, though the Mercury's bench scoring has occasionally outperformed expectations. Postponement risk exists given late-May weather patterns affecting travel, which would extend the settlement window. The 50-50 cancellation clause provides marginal protection against fixture abandonment, a rare but documented occurrence in women's professional basketball.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $229K.
Methodology
This page is a comparison snapshot: one live quote (Polymarket), four reference venues with their key attributes, and a single execution path — every trade button routes to Sport Prediction, which mirrors the Polymarket order book directly.
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 Sport Prediction, 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?
- Sport Prediction 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 Sport Prediction?
- Zero. Sport Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction triggers a quick verification flow that finishes in minutes.
Trade Phoenix Mercury vs. New York Liberty on Sport Prediction
Live order book, 0% fees, USDC settlement in seconds.
Trade on Sport Prediction →