Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Spread -3.5 | 100% |
| O/U 160.5 | 100% |
| O/U 159.5 | 100% |
| Spread -4.5 | 100% |
| Sonia Citron: Points O/U 16.5 | 100% |
| Natisha Hiedeman: Points O/U 14.5 | 100% |
| Shakira Austin: Points O/U 13.5 | 100% |
| Kiki Iriafen: Rebounds O/U 8.5 | 100% |
| Dominique Malonga: Rebounds O/U 8.5 | 100% |
| Awa Fam: Rebounds O/U 5.5 | 100% |
| Shakira Austin: Points O/U 12.5 | 100% |
| O/U 161.5 | 100% |
| O/U 162.5 | 100% |
| Kiki Iriafen: Rebounds O/U 9.5 | 100% |
| Sonia Citron: Rebounds O/U 3.5 | 50% |
| Flau'jae Johnson: Assists O/U 2.5 | 50% |
| Dominique Malonga: Assists O/U 1.5 | 50% |
| Seattle Storm vs. Washington Mystics | 0% |
| Dominique Malonga: Points O/U 16.5 | 0% |
| Kiki Iriafen: Points O/U 14.5 | 0% |
| Awa Fam: Points O/U 11.5 | 0% |
| Shakira Austin: Rebounds O/U 8.5 | 0% |
| Natisha Hiedeman: Assists O/U 4.5 | 0% |
| Sonia Citron: Assists O/U 3.5 | 0% |
| Spread -5.5 | 0% |
Market context
The Seattle Storm face the Washington Mystics at 3:00PM ET on 12 July in a WNBA contest where the crowd currently assigns a 0% probability to a Storm victory. On Polymarket, this conditional token trades on USDC over Polygon, meaning the contract’s price reflects immediate market sentiment rather than abstract team strength. With the Storm sitting at 6–18 overall and 1–12 in the Western Conference, the zero-per-cent pricing aligns with their severe on-court struggles this season.
Historical context reinforces this bleak outlook: the Mystics defeated the Storm 78–64 on 27 May 2026, with Shakira Austin recording 18 points and 13 rebounds [1][3]. Earlier in the season, the Storm won 97–85, but that result came before their current collapse [5][8]. The May loss was part of a pattern where the Storm failed to cover spreads against mid-tier opponents, and their 1–12 conference record suggests no recent momentum to challenge the Mystics’ home advantage.
Traders should monitor pre-game injury reports for both teams, particularly Austin’s availability, as her absence could shift odds dramatically. The game starts at 7:00PM UTC, and any postponement keeps the market open until completion, while a full cancellation resolves 50–50 [2][4]. Ticket prices average $9, indicating low public interest, which often correlates with thin liquidity and volatile price swings on-chain [7]. Watch for late roster updates from official WNBA channels before the settlement window closes.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $369K.
Methodology
We track Seattle Storm vs. Washington Mystics across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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 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.
- 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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