Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) Pick polygram.ink (preferred broker) |
85% | 15% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
85% | 15% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 159.5 | 85% |
| O/U 160.5 | 84% |
| O/U 162.5 | 80% |
| O/U 161.5 | 72% |
| Seattle Storm vs. Washington Mystics | 66% |
| Natisha Hiedeman: Points O/U 14.5 | 51% |
| Shakira Austin: Points O/U 13.5 | 51% |
| Kiki Iriafen: Rebounds O/U 8.5 | 51% |
| Shakira Austin: Points O/U 12.5 | 51% |
| Sonia Citron: Points O/U 16.5 | 50% |
| Dominique Malonga: Points O/U 16.5 | 50% |
| Awa Fam: Points O/U 11.5 | 50% |
| Dominique Malonga: Rebounds O/U 8.5 | 50% |
| Awa Fam: Rebounds O/U 5.5 | 50% |
| Flau'jae Johnson: Assists O/U 2.5 | 50% |
| Dominique Malonga: Assists O/U 1.5 | 50% |
| Kiki Iriafen: Rebounds O/U 9.5 | 50% |
| Kiki Iriafen: Points O/U 14.5 | 49% |
| Shakira Austin: Rebounds O/U 8.5 | 49% |
| Sonia Citron: Rebounds O/U 3.5 | 49% |
| Natisha Hiedeman: Assists O/U 4.5 | 49% |
| Sonia Citron: Assists O/U 3.5 | 49% |
| Spread -4.5 | 30% |
| Spread -5.5 | 28% |
| Spread -3.5 | 27% |
Market context
The Seattle Storm visit Washington tonight for a 3:00PM ET WNBA clash, with the crowd pricing a Storm win at 66% despite the team’s 6–18 record. This probability has shifted sharply in the last 24 hours after the Mystics’ bruising 62–49 home loss to Golden State on Monday, which exposed offensive fragility and left Washington winless in their last two games [9]. Traders are now weighing whether the Mystics’ 10–10 standing and recent five-of-last-eight wins can offset that slump against a Storm side that has lost 12 of 13 in the Western Conference [1][9].
Historically, 66% implied probabilities in WNBA games involving a 12-game losing side have resolved to the underdog roughly 38% of the time when the opponent is mid-table and playing at home, suggesting the market may be overreacting to the Mystics’ recent form rather than their season-long competitiveness [2][9]. Comparable cases from the 2024 and 2025 seasons show that teams with 10–10 records coming off a double-digit loss often bounce back within 48 hours, particularly when facing opponents with negative road records, which the Storm hold at 1–12 in the West [1][9].
Key catalysts include the Mystics’ offensive line-up announcements for tonight, as Michaela Onyenwere and Shakira Austin must generate scoring after Monday’s 49-point output [2]. Watch for any late injury updates on Austin, who posted 18 points and 13 rebounds in the previous matchup against Seattle, and monitor the spread, which sits near –3.5 with a total of 160.5–162.5, indicating expectations for a tight, low-scoring affair [3][4][10]. The game is scheduled at CareFirst Arena in Washington, with no indication of postponement as of Sunday evening [7].
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $178K.
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Prediction Today, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Prediction Today trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
- 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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