Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets UK) 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% |
| EC Vitória O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| EC Vitória 2nd Half O/U 0.5 | 100% |
| EC Vitória (-1.5) | 0% |
| CR Vasco da Gama (-1.5) | 0% |
| EC Vitória (-2.5) | 0% |
| CR Vasco da Gama (-2.5) | 0% |
| O/U 1.5 | 0% |
| O/U 2.5 | 0% |
| O/U 3.5 | 0% |
| O/U 4.5 | 0% |
| O/U 5.5 | 0% |
| Both Teams to Score | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 0.5 | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| EC Vitória O/U 1.5 | 0% |
| EC Vitória O/U 2.5 | 0% |
| CR Vasco da Gama O/U 0.5 | 0% |
| CR Vasco da Gama O/U 1.5 | 0% |
| CR Vasco da Gama O/U 2.5 | 0% |
| EC Vitória 1st Half O/U 0.5 | 0% |
| EC Vitória 1st Half O/U 1.5 | 0% |
| CR Vasco da Gama 1st Half O/U 0.5 | 0% |
| CR Vasco da Gama 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| EC Vitória 2nd Half O/U 1.5 | 0% |
| CR Vasco da Gama 2nd Half O/U 0.5 | 0% |
| CR Vasco da Gama 2nd Half O/U 1.5 | 0% |
Market context
EC Vitória and CR Vasco da Gama face off in a Brazil Série A clash scheduled for 16 July, with the match already concluded as a 2–1 victory for Vitória in a prior encounter on 10 May 2025[3]. The current prediction market for “More Markets” on this fixture shows a 0% implied probability for the YES outcome, a stark divergence from traditional sportsbooks that price Vitória as the favourite at +145 and Vasco at +190, with the draw at +225[2]. While major bookmakers like 10Bet, William Hill, and Pinnacle offer Home/Draw odds clustered around 1.15–1.18, the prediction market’s zero probability suggests either a mispriced contract or a specific sub-market (e.g., a rare event) that analysts do not expect to materialise[1].
Historically, when prediction markets assign 0% to an outcome in live football contracts, it often reflects either a settlement condition already deemed impossible or a niche proposition with no supporting odds in mainstream books. In comparable Série A cases, such zero-probability tags have preceded outcomes like penalty shootouts in league matches (which do not occur) or specific player events that never triggered. Here, the 61.7% bookmaker-implied likelihood for Vitória on the Asian Handicap contrasts sharply with the 0% YES probability, indicating a potential arbitrage gap or a mismatch in contract definition[2].
Traders should monitor official post-match settlement reports from the league and verify whether the “More Markets” contract refers to a specific in-game event (e.g., a goal in a particular minute) that may have already been ruled out. Recent coverage confirms Vitória’s strong form (DLDWW) versus Vasco’s weaker run (DLLLL), reinforcing the likelihood of a Vitória win but not necessarily the specific “More Markets” condition[1]. No new announcements have altered the fixture’s status, and with the game already played, the settlement window closing on 16 July is the final dependency.
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 Best Prediction Markets UK, 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 Best Prediction Markets UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- 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.
- 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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