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 |
|---|---|
| CR Vasco da Gama (-1.5) | 100% |
| CR Vasco da Gama (-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% |
| 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% |
| Club Olimpia O/U 0.5 | 100% |
| CR Vasco da Gama O/U 0.5 | 100% |
| CR Vasco da Gama O/U 1.5 | 100% |
| CR Vasco da Gama O/U 2.5 | 100% |
| Club Olimpia 1st Half O/U 0.5 | 100% |
| CR Vasco da Gama 1st Half O/U 0.5 | 100% |
| CR Vasco da Gama 1st Half O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| CR Vasco da Gama 2nd Half O/U 0.5 | 100% |
| CR Vasco da Gama 2nd Half O/U 1.5 | 100% |
| Club Olimpia (-1.5) | 0% |
| Club Olimpia (-2.5) | 0% |
| O/U 5.5 | 0% |
| Club Olimpia O/U 1.5 | 0% |
| Club Olimpia O/U 2.5 | 0% |
| Club Olimpia 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 2.5 | 0% |
| Club Olimpia 2nd Half O/U 0.5 | 0% |
| Club Olimpia 2nd Half O/U 1.5 | 0% |
Market context
Club Olimpia and CR Vasco da Gama are scheduled to contest a Copa Sudamericana fixture on 20 August at 6:00 PM ET. The match represents a knockout-stage encounter in South America's secondary continental club competition, with the winner advancing and the loser eliminated. Settlement of related derivative markets depends on the outcome of this single match and any subsequent penalty shootout if regulation time ends level.
Historical precedent suggests that 0% implied probability on ancillary Copa Sudamericana markets often reflects thin liquidity rather than genuine certainty of non-occurrence. Previous editions of this competition have seen modest trading volumes on secondary outcome markets, particularly when matched against major European leagues. Olimpia, the Paraguayan representative, has reached Copa Sudamericana finals before; Vasco da Gama, a Brazilian club with historical continental pedigree, remains a competitive opponent. The disparity between sportsbook moneyline odds (typically ranging 1.80–2.20 for either side) and the 0% prediction-market reading suggests traders have not yet committed capital to this particular contract, leaving it vulnerable to sharp repositioning once meaningful volume emerges.
Key catalysts include official team-sheet confirmation and injury updates in the 48 hours before kickoff, which may shift expectations around attacking potency. Weather conditions in the host venue and any fixture-congestion concerns for either squad warrant monitoring. Traders should note that major sportsbooks have already priced this encounter; any divergence between those lines and emerging prediction-market consensus could signal genuine information asymmetry or simply reflect the early-stage, low-liquidity nature of the market.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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.
- 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.
- 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.
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