Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via PolyGram) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| Sport Lisboa e Benfica | 100% |
| Casa Pia AC | 0% |
| Draw | 0% |
Market context
Polymarket is currently pricing a Casa Pia victory at zero, with all conditional tokens allocated to either a Benfica win or draw across the USDC liquidity pool on Polygon. The underlying fixture—a Primeira Liga encounter on 16 August 2026—pits a mid-table side against Portugal's most decorated club. Settlement occurs at 19:15 UTC on 17 August, giving traders a narrow window after full-time whistle to execute final positions before the contract resolves.
Casa Pia's historical record against Benfica provides context for the nil probability. In their last five competitive meetings, Benfica won four and drew once; Casa Pia has not defeated them since 2014. Benfica's average goal differential in these fixtures sits at +1.8 per match. The Eagles finished 2024–25 second in the league with 73 points, whilst Casa Pia occupied eighth with 47 points. Such disparity in squad depth, European experience, and seasonal form typically justifies the market's extreme skew, though early-season fixtures occasionally produce anomalies when fixture congestion or injury lists shift tactical balance.
Traders should monitor team news releases through mid-August, particularly Benfica's Champions League qualification campaign and any late injury confirmations. Casa Pia's pre-season form and any managerial changes warrant attention, as do weather conditions reported closer to kick-off. The settlement window's brevity—less than 24 hours post-match—means conditional token holders must act decisively once the final whistle sounds, as liquidity can thin rapidly on resolved markets.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $173K.
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 PolyGram, which mirrors the Polymarket order book directly.
Resolution & payout
Settlement runs on-chain. Polymarket's contract logic separates YES and NO shares as conditional tokens; at resolution the winning share lifts to $1.00 and the losing one to $0. The outcome input comes from the UMA Optimistic Oracle, which secures against bad resolution with a bond + dispute window.
Once finalised, the smart contract pays USDC to the holders' wallets within minutes — no withdrawal fees beyond Polygon network gas. Kalshi settles in USD via CFTC clearance, Betfair in account currency net of commission, Manifold in play-money mana with no cash-out.
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's the difference between YES and NO shares?
- A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.
- How fast are USDC deposits?
- Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
Trade Casa Pia AC vs. Sport Lisboa e Benfica on PolyGram
Live order book, 0% fees, USDC settlement in seconds.
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