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
| Golden State Valkyries vs. Seattle Storm | 100% Golden State Valkyries | 0% Seattle Storm |
| Spread -9.5 | 0% Golden State Valkyries | 100% Seattle Storm |
| O/U 156.5 | 0% Over | 100% Under |
| Spread -7.5 | 0% Golden State Valkyries | 100% Seattle Storm |
| O/U 157.5 | 0% Over | 100% Under |
| Spread -8.5 | 0% Golden State Valkyries | 100% Seattle Storm |
Market context
The Golden State Valkyries face the Seattle Storm on 12 June at 10:00PM ET in a WNBA matchup currently priced at 100% on Polymarket, suggesting the market has collapsed to near-certainty on one outcome. This extreme pricing reflects either overwhelming confidence in one team's superiority or, more likely, thin liquidity in a conditional token pair denominated in USDC on Polygon. At such probabilities, the spread between bid and ask typically widens considerably, making entry and exit costly for traders seeking to challenge the consensus.
Historically, WNBA regular-season games rarely settle at such extreme probabilities unless one team carries a decisive injury or roster advantage. The Storm have been a consistent playoff contender, whilst the Valkyries represent a newer franchise with evolving competitive standing. Comparable matchups between established and emerging WNBA teams have shown that crowd-implied probabilities above 95% often reflect information asymmetry rather than true predictive confidence—traders with access to team news, injury reports, or coaching changes can exploit these gaps.
The critical variable between now and settlement on 13 June is roster availability. Any late announcement regarding key player injuries, particularly for the favoured side, could trigger rapid repricing. The WNBA's standard injury reporting occurs 24 hours before tipoff, creating a final window for material updates. Traders should monitor official team announcements and beat reporters covering both franchises for confirmation of starting lineups, as postponements due to unforeseen circumstances would keep the market open until completion rather than resolving the conditional tokens immediately.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $475K.
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 Kalshi UK, 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 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.
- 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 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Kalshi 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.
Trade Golden State Valkyries vs. Seattle Storm on Kalshi UK
Live order book, 0% fees, USDC settlement in seconds.
Trade on Kalshi UK →