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 | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| O/U 2.5 | 100% |
| O/U 3.5 | 100% |
| Both Teams to Score | 100% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| 1st Half O/U 2.5 | 100% |
| CD Santa Clara O/U 0.5 | 100% |
| CD Santa Clara O/U 1.5 | 100% |
| CD Nacional O/U 0.5 | 100% |
| CD Nacional O/U 1.5 | 100% |
| CD Santa Clara 1st Half O/U 0.5 | 100% |
| CD Santa Clara 1st Half O/U 1.5 | 100% |
| CD Nacional 1st Half O/U 0.5 | 100% |
| CD Nacional 1st Half O/U 1.5 | 100% |
| CD Santa Clara O/U 2.5 | 64% |
| CD Nacional O/U 2.5 | 58% |
| O/U 4.5 | 51% |
| Both Teams to Score in Second Half | 50% |
| 2nd Half O/U 0.5 | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| CD Santa Clara 2nd Half O/U 0.5 | 50% |
| CD Santa Clara 2nd Half O/U 1.5 | 50% |
| CD Nacional 2nd Half O/U 0.5 | 50% |
| CD Nacional 2nd Half O/U 1.5 | 50% |
| O/U 5.5 | 20% |
| CD Nacional (-2.5) | 17% |
| CD Santa Clara (-1.5) | 3% |
| CD Nacional (-1.5) | 1% |
| CD Santa Clara (-2.5) | 1% |
Market context
CD Santa Clara and CD Nacional will meet in Portugal's Primeira Liga on 10 August at 3:15 PM ET. The market in question tracks whether additional betting markets will be offered for this fixture—a meta-contract on liquidity and sportsbook coverage rather than the match outcome itself. The 3% implied probability suggests traders believe supplementary markets are unlikely to materialise, reflecting either low anticipated interest in the pairing or established sportsbook practices that favour core markets only.
Historical precedent shows that Primeira Liga matches involving lower-profile clubs or mid-table fixtures often receive limited derivative-market coverage compared to Clássico encounters or European competition nights. When Santa Clara or Nacional play outside prime European slots, major operators typically restrict offerings to standard win-draw-loss and over-under totals. Cross-platform comparison reveals conventional sportsbooks (DraftKings, FanDuel, Betfair) rarely expand prop-market depth for such matchups unless injury news or dramatic form swings drive unexpected demand. The prediction-market consensus at 3% aligns with this historical pattern, though divergence occasionally emerges if late-breaking team news—injuries to key players, managerial changes, or unexpected sponsorship tie-ins—triggers analyst reassessment.
Traders should monitor official Primeira Liga fixture confirmations and any squad announcements from both clubs in the week preceding 10 August. Sportsbook coverage decisions typically crystallise 48–72 hours before kick-off. Recent regulatory shifts in European betting markets have also expanded prop-market availability, though Primeira Liga remains lower-priority than the "big five" leagues for most operators.
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
- Where can I trade this market with the lowest fees?
- Polymarket is geo-blocked in the US/UK/EU. The easiest 0%-fee broker into the same order book is PolyGram. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- What does Polymarket cost to trade?
- Polymarket itself charges 0% — the only cost is the Polygon network fee, typically under $0.01 per transaction. Off-chain venues like Kalshi or Betfair charge 2-7% commission.
- 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.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
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