Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
98% | 2% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
98% | 2% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | See live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | See live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | See live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | See live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Breanna Stewart: Assists O/U 3.5 | 98% |
| Natisha Hiedeman: Assists O/U 5.5 | 79% |
| Flau'jae Johnson: Points O/U 14.5 | 78% |
| Dominique Malonga: Points O/U 14.5 | 73% |
| Jonquel Jones: Rebounds O/U 9.5 | 70% |
| O/U 180.5 | 59% |
| Spread -7.5 | 56% |
| O/U 181.5 | 52% |
| Flau'jae Johnson: Points O/U 13.5 | 51% |
| Breanna Stewart: Points O/U 21.5 | 50% |
| Natisha Hiedeman: Points O/U 16.5 | 50% |
| Dominique Malonga: Points O/U 15.5 | 50% |
| Jonquel Jones: Points O/U 13.5 | 50% |
| Breanna Stewart: Rebounds O/U 8.5 | 50% |
| Dominique Malonga: Rebounds O/U 8.5 | 50% |
| Sabrina Ionescu: Rebounds O/U 4.5 | 50% |
| Flau'jae Johnson: Rebounds O/U 4.5 | 50% |
| Natisha Hiedeman: Rebounds O/U 2.5 | 50% |
| Sabrina Ionescu: Assists O/U 5.5 | 50% |
| Natisha Hiedeman: Assists O/U 4.5 | 50% |
| Jonquel Jones: Assists O/U 2.5 | 50% |
| Flau'jae Johnson: Assists O/U 2.5 | 50% |
| Dominique Malonga: Assists O/U 1.5 | 50% |
| Spread -8.5 | 50% |
| O/U 182.5 | 50% |
| Dominique Malonga: Rebounds O/U 7.5 | 50% |
| Jonquel Jones: Rebounds O/U 8.5 | 50% |
| Sabrina Ionescu: Points O/U 19.5 | 49% |
| Spread -9.5 | 44% |
| O/U 183.5 | 41% |
| Seattle Storm vs. New York Liberty | 18% |
Market context
The Seattle Storm’s trip to face the New York Liberty looks like a long-shot upset bid, with the crowd-implied price at 18% for Seattle to win. The market is far below the sort of price you would see in a close WNBA matchup, but that is consistent with the Liberty entering as clear favourites in the betting, with one August 3 preview listing New York around -370 on the moneyline and Seattle near +285, and another showing the Liberty even shorter at roughly -400 with Seattle about +345.[3][10] For context, that kind of gap usually reflects both current form and roster quality rather than a single-game edge.
The most useful comparison is how the market has treated this pairing in earlier meetings this season: in June, previews routinely priced New York as a double-digit favourite, with spreads between -11.5 and -12.5 and Seattle receiving only modest support on the handicap.[2][5][7][12] That history suggests traders have been willing to give the Storm some cover value, but not enough to make them a true win candidate. If this game follows those comparable cases, the main question is whether the Liberty’s expected advantage translates into a straightforward home win or whether Seattle can keep it close enough to produce volatility in live or derivative markets.[6][10]
For traders, the key catalysts are late injury news, rest status, and any lineup changes from beat or team reporters in the hours before tip-off. The market is sensitive to whether New York keeps its front-line scorers available and whether Seattle is forced to lean on a shortened rotation, because the current pricing already assumes a Liberty edge on both efficiency and depth.[1][3][6] The game is scheduled for 7:00 pm ET, and because postponement would keep the market open until completion, any weather, travel, or arena issue would matter less than a confirmed scratch or unexpected minutes restriction from either side.[1][11]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $239K.
Methodology
Sports-specific comparison page for Seattle Storm vs. New York Liberty. Polymarket's live quote (Polygon order book) plus platform attributes for the three reference venues. Sports markets reward liquidity — Polymarket and Betfair are materially deeper than Kalshi or Manifold.
Resolution & payout
Sports markets typically settle on official final-whistle plus league confirmation. Polymarket uses UMA Optimistic Oracle with a source URL per contract — usually official league data feeds or ESPN/Soccerway. Two-hour dispute window, then smart-contract payout in USDC.
FAQ
- Are prediction markets better than sports betting?
- Prediction markets tend toward tighter odds than bookmakers because they use peer-to-peer exchange rather than bookmaker margin. On major matches, Polymarket quotes typically sit 2-5% closer to the true probability model than bet365 or DraftKings.
- When do sports markets resolve?
- Typically within hours of the official final whistle. Polymarket uses UMA Optimistic Oracle with source URLs pointing at official league data feeds — e.g. the Premier League for EPL markets, UEFA for Champions League, FIFA for World Cup.
- Can I bet on individual matches?
- Yes, Polymarket lists every major Premier League / Champions League / World Cup match as its own market. Liquidity varies — top matches like El Clásico or a semi-final often have six-figure pools, lower-league games closer to three-figure.
- What are live sports odds on Polymarket?
- Some top-tier matches stay open during play — you can trade the half-time probability in the 70th minute. Polymarket mid-prices update second-by-second; any frontend mirroring the order book shows the same movement.
- How fast do sports winnings settle?
- Once the official league outcome is logged in the UMA Oracle (typically 1-2 hours after the final whistle), Polymarket's smart contract triggers USDC payout. To your wallet within minutes.
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