Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Trump Prediction) Pick polygram.ink (preferred broker) |
90% | 10% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
90% | 10% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Live odds → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Live odds → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Live odds → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Live odds → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 90% |
| CR Vasco da Gama O/U 0.5 | 83% |
| 2nd Half O/U 0.5 | 78% |
| CR Vasco da Gama 1st Half O/U 0.5 | 70% |
| O/U 1.5 | 67% |
| 2nd Half O/U 1.5 | 65% |
| 1st Half O/U 0.5 | 60% |
| Club Olimpia 1st Half O/U 0.5 | 59% |
| CR Vasco da Gama 1st Half O/U 1.5 | 56% |
| Both Teams to Score in Second Half | 56% |
| Both Teams to Score in First Half | 55% |
| CR Vasco da Gama O/U 2.5 | 52% |
| Club Olimpia 1st Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| CR Vasco da Gama 2nd Half O/U 0.5 | 50% |
| CR Vasco da Gama 2nd Half O/U 1.5 | 50% |
| Club Olimpia 2nd Half O/U 0.5 | 50% |
| Club Olimpia 2nd Half O/U 1.5 | 50% |
| CR Vasco da Gama O/U 1.5 | 49% |
| Club Olimpia O/U 0.5 | 49% |
| O/U 2.5 | 40% |
| Both Teams to Score | 40% |
| Club Olimpia O/U 2.5 | 37% |
| CR Vasco da Gama (-1.5) | 33% |
| 1st Half O/U 2.5 | 26% |
| 1st Half O/U 1.5 | 23% |
| O/U 3.5 | 20% |
| Club Olimpia O/U 1.5 | 16% |
| CR Vasco da Gama (-2.5) | 14% |
| O/U 4.5 | 10% |
| O/U 5.5 | 6% |
| Club Olimpia (-1.5) | 2% |
| Club Olimpia (-2.5) | 1% |
Market context
CR Vasco da Gama will face Club Olimpia in a Copa Sudamericana fixture on 13 August at 6:00 PM ET. The match represents a knockout-stage encounter in South America's secondary club competition, with the winner advancing further in the tournament structure. Settlement of this market depends on whether additional betting markets or match-related trading opportunities emerge before the scheduled kick-off.
Historical precedent suggests that Copa Sudamericana matches between Brazilian and Paraguayan clubs tend to favour the Brazilian side in aggregate terms, though Olimpia has demonstrated competitive strength in continental play. Vasco da Gama's recent domestic form and squad depth relative to Olimpia's resources typically inform pre-match assessments. The 33 per cent probability currently priced reflects moderate confidence that supplementary markets will materialise, rather than a direct prediction of match outcome.
Traders should monitor official Copa Sudamericana fixture confirmations and any schedule adjustments announced by CONMEBOL in the days preceding 13 August. Betting exchange liquidity patterns often determine whether secondary markets open; if major sportsbooks decline to offer additional markets on this fixture, the YES resolution becomes less probable. Recent tournament broadcasts and exchange activity on comparable South American club matches provide baseline indicators for expected market depth. The settlement window closes at 22:00 UTC on 13 August, allowing minimal time for market creation after the match concludes.
Methodology
This page tracks CR Vasco da Gama vs. Club Olimpia - More Markets across four political prediction venues. Live odds come from the Polymarket order book (the deepest political prediction-market book). Kalshi is the CFTC-regulated US alternative, Betfair the established UK sports-exchange with politics markets, Manifold the open play-money variant. For users geo-blocked from Polymarket directly, brokers like Trump Prediction provide a 0%-fee route into the same order book.
Resolution & payout
Political markets typically settle on official candidate or agency confirmation. Polymarket uses UMA Optimistic Oracle: a proposer posts the outcome with a bond, the two-hour window opens, then the smart contract pays USDC.
Kalshi settles USD via CFTC clearinghouse, with clearly defined resolution sources (e.g. AP race calls for elections). Betfair settles after the official outcome is registered with the league or agency. Manifold is play-money.
UK Frequently Asked Questions
- How accurate are political prediction markets?
- Historically more accurate than polls. Polymarket's Brier score on US 2024 elections was ~0.11 — better than 538 (~0.14) and every mainstream poll. Markets aggregate information with real skin in the game.
- What resolution source is used for elections?
- Polymarket defines the source per contract — usually Associated Press (AP Race Call), Reuters or the official electoral commission. The source is stated in contract details before the market opens.
- Can prediction markets influence election outcomes?
- Markets reflect expectations rather than create them. Studies show public-facing markets can anchor expectations, but don't influence the underlying outcome. Political markets are information, not advocacy.
- How fast do political markets react to news?
- High-liquidity markets move within seconds to minutes. A Trump tweet on the economy can shift the "Trump 2024" market 2-5 points before mainstream media has written anything.
- Are UK election prediction markets available from the UK?
- Yes. Betfair Exchange and Smarkets offer UKGC-regulated UK election markets (seat counts, party share, constituency results). Polymarket also lists UK election contracts with deeper global liquidity. Betfair winnings are typically tax-free for UK individuals; Polymarket profits are subject to HMRC CGT.
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