Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket Review UK Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Polymarket Review UK → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Polymarket Review UK → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Polymarket Review UK → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Polymarket Review UK → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Polymarket Review 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 Review UK.
Active sub-markets
| Indiana Fever vs. PortlandFire | 0% YES | 100% NO |
| Spread -9.5 | 0% YES | 100% NO |
| O/U 175.5 | 100% YES | 0% NO |
| Spread -10.5 | 0% YES | 100% NO |
| O/U 174.5 | 100% YES | 0% NO |
| Spread -11.5 | 0% YES | 100% NO |
Market context
The Indiana Fever will face the Portland Fire on 30 May at 8:00 PM ET in a regular-season WNBA matchup. Settlement occurs at midnight UTC on 31 May, allowing a single-day window for result confirmation. The 0% implied probability on the Fever suggests either a technical issue with market initialisation or that traders have positioned heavily toward Portland, though WNBA games rarely show such extreme certainty in early-season fixtures.
Historical WNBA matchups between comparable teams show that regular-season games settle within hours of completion, with postponements rare outside weather-affected regions. The Fever and Fire have met multiple times in recent seasons; reviewing their head-to-head records and current roster depth provides baseline context for assessing whether the current odds reflect genuine analytical consensus or market dysfunction. A 0% reading on either side typically signals either thin liquidity or a data-feed error rather than genuine certainty.
Traders monitoring this market should track roster updates through official WNBA channels and team announcements through late May, as injury disclosures often shift odds substantially in the final 48 hours before tip-off. Programmatically, this market suits conditional orders tied to injury reports or schedule confirmations; setting alerts for cancellation notices is essential given the 50-50 resolution clause. The settlement window's brevity means automated monitoring of official box scores and league records becomes necessary for timely resolution confirmation, particularly if disputes arise over final scoring or game-clock irregularities.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $281K.
Methodology
We track Indiana Fever vs. PortlandFire 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
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
- 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.
- What does it cost to trade on Polymarket Review UK?
- Zero. Polymarket Review UK 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, Polymarket Review UK triggers a quick verification flow that finishes in minutes.
- 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.
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