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 |
|---|---|
| Sport Lisboa e Benfica (-1.5) | 100% |
| Sport Lisboa e Benfica (-2.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| O/U 4.5 | 100% |
| O/U 5.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| Sport Lisboa e Benfica O/U 0.5 | 100% |
| Sport Lisboa e Benfica O/U 1.5 | 100% |
| Sport Lisboa e Benfica O/U 2.5 | 100% |
| Sport Lisboa e Benfica 1st Half O/U 0.5 | 100% |
| Sport Lisboa e Benfica 1st Half O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| 2nd Half O/U 2.5 | 100% |
| Sport Lisboa e Benfica 2nd Half O/U 0.5 | 100% |
| Sport Lisboa e Benfica 2nd Half O/U 1.5 | 100% |
| Both Teams to Score in Second Half | 51% |
| Casa Pia AC O/U 1.5 | 50% |
| Casa Pia AC O/U 2.5 | 50% |
| Casa Pia AC 2nd Half O/U 0.5 | 50% |
| Casa Pia AC 2nd Half O/U 1.5 | 50% |
| Both Teams to Score | 18% |
| Casa Pia AC O/U 0.5 | 11% |
| Casa Pia AC (-1.5) | 0% |
| Casa Pia AC (-2.5) | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 2.5 | 0% |
| Casa Pia AC 1st Half O/U 0.5 | 0% |
| Casa Pia AC 1st Half O/U 1.5 | 0% |
Market context
Benfica travel to Casa Pia's Estádio da Polícia on 16 August for a Primeira Liga fixture that marks the season's opening weekend. The 0% probability reflects the overwhelming expectation that Benfica, Portugal's most successful club in the modern era, will either win or draw against a side that finished 10th last season and has undergone significant squad turnover.
Casa Pia's recent trajectory offers limited precedent for an upset. The club secured promotion to the top flight only in 2022 and has yet to establish itself as a consistent threat to the established hierarchy. Benfica's last three seasons have yielded two league titles and a third-place finish, whilst Casa Pia has managed finishes of 8th, 10th, and 10th. In direct meetings, Benfica won both encounters last season by a combined 5–1 scoreline. The probability assignment suggests traders view a Casa Pia victory as effectively impossible within the settlement window.
Monitoring points centre on Benfica's pre-season form and any late injury announcements before kick-off. Manager Bruno Lage retained his position through the summer despite Champions League group-stage elimination, and the squad retained its core attacking options. Casa Pia appointed new manager Filipe Martins in June following Mário Klemens's departure, introducing tactical uncertainty that could theoretically create an opening. However, no recent reporting from Portuguese outlets including O Jogo or Record has flagged exceptional Casa Pia preparation or Benfica disruption sufficient to shift market expectations materially before the 17 August settlement deadline.
Methodology
Sports-specific comparison page for Casa Pia AC vs. Sport Lisboa e Benfica - 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.
- 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.
- 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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