Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
64% | 36% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
64% | 36% | 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 |
|---|---|
| Spread -8.5 | 64% |
| Spread -9.5 | 60% |
| Rae Burrell: Points O/U 15.5 | 51% |
| Jonquel Jones: Rebounds O/U 9.5 | 51% |
| Breanna Stewart: Points O/U 22.5 | 50% |
| Sabrina Ionescu: Points O/U 18.5 | 50% |
| Nneka Ogwumike: Points O/U 16.5 | 50% |
| Jonquel Jones: Points O/U 14.5 | 50% |
| Pauline Astier: Points O/U 7.5 | 50% |
| Nneka Ogwumike: Rebounds O/U 8.5 | 50% |
| Breanna Stewart: Rebounds O/U 7.5 | 50% |
| Dearica Hamby: Rebounds O/U 7.5 | 50% |
| Sabrina Ionescu: Rebounds O/U 4.5 | 50% |
| Rae Burrell: Rebounds O/U 2.5 | 50% |
| Sabrina Ionescu: Assists O/U 5.5 | 50% |
| Breanna Stewart: Assists O/U 3.5 | 50% |
| Nneka Ogwumike: Assists O/U 3.5 | 50% |
| Pauline Astier: Assists O/U 2.5 | 50% |
| Jonquel Jones: Assists O/U 2.5 | 50% |
| Rae Burrell: Assists O/U 2.5 | 50% |
| Breanna Stewart: Rebounds O/U 8.5 | 50% |
| O/U 187.5 | 14% |
| Los Angeles Sparks vs. New York Liberty | 12% |
Market context
The Los Angeles Sparks’ visit to the New York Liberty sits behind a long-run baseline that strongly favours New York, but the series has also produced enough volatility to keep a double-digit upset price plausible. Los Angeles has already shown it can beat the Liberty this season, edging them 98-97 on 21 June on a buzzer-beating three from Nneka Ogwumike, before New York answered with a 113-109 home win on 28 July.[1][2] That split helps explain why the current 12% implied probability is low rather than negligible: the Liberty are the better side overall, yet this matchup has not been a one-way script.[1][2]
The recent form gap is still the main read-through for traders. CBS Sports noted that New York had won seven of its previous nine and was 11-5 at home, while Los Angeles had lost nine of its previous 11 and was adapting after losing Kelsey Plum, first to injury and then via trade to Phoenix on 2 August.[3] The WNBA game summary also highlighted that Plum had been averaging 23.9 points and 6.4 assists when she went down, and that the Sparks have struggled with turnovers and a league-high 93.3 points allowed per game.[5] For catalysts, watch whether the Sparks get cleaner guard rotation news and whether the Liberty carry over any defensive slippage after their recent loss at Indiana; any late scratch or minutes limit would matter more here than usual because the market runs to the completed game and will remain open if it is postponed.[3][5]
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $197K.
Methodology
Sports-specific comparison page for Los Angeles Sparks 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.
- 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.
- Which sports markets are available?
- Football (soccer) dominates — Champions League, World Cup, Premier League, La Liga, Bundesliga — followed by NFL, NBA, tennis Grand Slams, Formula 1, boxing/MMA. Resolution via official league source confirmation.
- 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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