Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via March Madness Predictions) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | See live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| O/U 0.5 | 100% |
| CA San Lorenzo de Almagro O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| CA San Lorenzo de Almagro 2nd Half O/U 0.5 | 100% |
| CA San Lorenzo de Almagro (-1.5) | 0% |
| CA Unión (-1.5) | 0% |
| CA San Lorenzo de Almagro (-2.5) | 0% |
| CA Unión (-2.5) | 0% |
| O/U 1.5 | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| CA San Lorenzo de Almagro O/U 1.5 | 0% |
| CA San Lorenzo de Almagro O/U 2.5 | 0% |
| CA Unión O/U 0.5 | 0% |
| CA Unión O/U 1.5 | 0% |
| CA Unión O/U 2.5 | 0% |
| CA San Lorenzo de Almagro 1st Half O/U 0.5 | 0% |
| CA San Lorenzo de Almagro 1st Half O/U 1.5 | 0% |
| CA Unión 1st Half O/U 0.5 | 0% |
| CA Unión 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| CA San Lorenzo de Almagro 2nd Half O/U 1.5 | 0% |
| CA Unión 2nd Half O/U 0.5 | 0% |
| CA Unión 2nd Half O/U 1.5 | 0% |
Market context
San Lorenzo and Unión will meet in the Argentine Primera División on 15 August 2026, with the fixture scheduled for 13:30 ET. The 0% YES probability reflects minimal trading activity rather than settled conviction; these secondary markets often attract sparse liquidity until closer to kick-off, particularly for mid-table matchups in the domestic calendar.
Historical precedent suggests caution in reading extreme probabilities on Argentine league fixtures. San Lorenzo and Unión have produced unpredictable results in recent seasons, with both clubs cycling through coaching changes and experiencing mid-table volatility. The fixture itself carries no strong historical lean—their head-to-head record over the past five years shows marginal differences in outcomes, making pre-match odds vulnerable to late-breaking team news. Markets on secondary outcomes (corners, cards, specific scorelines) typically see price movement only once starting lineups are confirmed, usually 24 to 48 hours before play.
Traders should monitor squad availability announcements and any managerial shifts at either club in the weeks leading to 15 August. San Lorenzo's recent form and injury status will be critical; Argentine clubs frequently announce late absences due to international commitments or domestic cup fixtures scheduled earlier in the window. Unión's fixture congestion in the days prior may also influence selection. Local sports press, particularly outlets covering the Superliga, typically publish confirmed team sheets and tactical previews by midday on match day, at which point secondary market liquidity often increases sharply as bettors react to concrete information rather than speculative positioning.
Methodology
Sports-specific comparison page for CA San Lorenzo de Almagro vs. CA Unión - More Markets. 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.
- 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.
- What's the difference between match odds and outright odds?
- Match odds cover a single game ("Bayern beats BVB"). Outright odds are long-term aggregates ("Bayern wins the league"). Outright markets have deeper liquidity; match markets have faster resolution.
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