Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Alternative UK) Pick polygram.ink (preferred broker) |
56% | 44% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
56% | 44% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Dominique Malonga: Rebounds O/U 7.5 | 56% |
| O/U 181.5 | 54% |
| Sabrina Ionescu: Assists O/U 5.5 | 53% |
| O/U 182.5 | 52% |
| Natisha Hiedeman: Rebounds O/U 2.5 | 51% |
| Sabrina Ionescu: Points O/U 19.5 | 49% |
| Breanna Stewart: Assists O/U 3.5 | 49% |
| Flau'jae Johnson: Assists O/U 2.5 | 49% |
| O/U 183.5 | 49% |
| Jonquel Jones: Points O/U 14.5 | 48% |
| Spread -8.5 | 47% |
| O/U 184.5 | 46% |
| Spread -9.5 | 44% |
| Natisha Hiedeman: Assists O/U 5.5 | 43% |
| Jade Melbourne: Assists O/U 3.5 | 36% |
| Natisha Hiedeman: Points O/U 16.5 | 35% |
| Jonquel Jones: Assists O/U 2.5 | 35% |
| Breanna Stewart: Rebounds O/U 8.5 | 33% |
| Flau'jae Johnson: Rebounds O/U 4.5 | 32% |
| Breanna Stewart: Points O/U 22.5 | 31% |
| Dominique Malonga: Points O/U 15.5 | 31% |
| Jonquel Jones: Rebounds O/U 8.5 | 30% |
| Pauline Astier: Points O/U 8.5 | 29% |
| Flau'jae Johnson: Assists O/U 3.5 | 28% |
| Seattle Storm vs. New York Liberty | 25% |
| Sabrina Ionescu: Rebounds O/U 4.5 | 25% |
Market context
Polymarket’s contract is pricing the **Seattle Storm** at 25% on USDC-settled conditional tokens on Polygon, which leaves the **New York Liberty** as the market-implied favourite ahead of tip-off. For a user holding the position, the key mechanic is simple: the token resolves to the listed winner based on the final score, including overtime, while a postponement keeps the market open and a cancellation with no make-up game settles 50-50.
That 25% looks low against the recent head-to-head, but it is not detached from the broader form. Seattle beat New York 99-88 on 25 June, with the Storm’s starting lineup all scoring in double figures, yet the Liberty have since taken the next meeting 95-83 on 3 August and remain the stronger season-long side by record and home form. ESPN’s preview had New York at 17-13 and Seattle at 6-25 in early August, with the Liberty scoring 89.9 points per game and the Storm sitting near the bottom of the standings; that gap helps explain why the market is leaning heavily against a Seattle win.[5][8]
For traders, the live catalysts are roster availability, late injury news, and whether the game starts on schedule, because any postponement changes the settlement timeline rather than forcing an early close. ESPN listed Leonie Fiebich and Satou Sabally as out for New York in the earlier preview, while Seattle had no listed injuries, so pre-game updates around availability matter more than past box scores.[5] The contract also inherits the usual WNBA operational risks: if the event is cancelled outright with no make-up, the 50-50 clause overrides the on-court result, which is the main non-sporting dependency to watch.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $90K.
Methodology
This page reviews Seattle Storm vs. New York Liberty across five venues. The live probability is the Polymarket mid-price, sourced directly from the on-chain Polygon order book; the comparison columns benchmark each venue on fee structure, KYC, settlement currency and payment rails. Every CTA routes to Polymarket Alternative UK, which mirrors 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.
UK Frequently Asked Questions
- Is this market available outside the US?
- Polymarket itself is geo-blocked in the US/UK/EU. Always check the legal status of prediction markets in your jurisdiction before trading.
- 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.
- Is Polymarket legal in the UK?
- Polymarket is accessible to UK traders but is not UKGC-licensed. It operates under US CFTC jurisdiction. UK residents face no domestic legal prohibition on using it, but UKGC consumer protections do not apply. For UKGC-regulated alternatives, Betfair Exchange and Smarkets offer similar prediction-style markets.
- Do I pay tax on prediction market profits in the UK?
- UKGC-licensed platform profits (Betfair, Smarkets) are typically tax-free gambling winnings for UK individuals. Polymarket profits involve USDC crypto transactions, which HMRC treats as Capital Gains Tax events. Keep full transaction records and report via Self Assessment if gains exceed £3,000 per tax year.
- How do I deposit on Polymarket from the UK?
- UK traders typically fund Polymarket via Coinbase UK, Kraken or Revolut — buying USDC with GBP and transferring to a Polygon-compatible wallet (MetaMask, Coinbase Wallet). Polymarket's onboarding walks you through the bridging process. Typical GBP-to-USDC conversion costs 0.5–1%.
Trade Seattle Storm vs. New York Liberty on Polymarket Alternative UK
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