Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Best Prediction Markets) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Live odds → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 | 100% |
| 1st Half O/U 0.5 | 100% |
| CR Vasco da Gama 1st Half O/U 0.5 | 100% |
| O/U 1.5 | 72% |
| CR Vasco da Gama O/U 0.5 | 61% |
| Fluminense FC O/U 0.5 | 55% |
| Both Teams to Score | 54% |
| 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% |
| Fluminense FC 2nd Half O/U 0.5 | 50% |
| Fluminense FC 2nd Half O/U 1.5 | 50% |
| CR Vasco da Gama 2nd Half O/U 0.5 | 50% |
| CR Vasco da Gama 2nd Half O/U 1.5 | 50% |
| CR Vasco da Gama O/U 1.5 | 38% |
| O/U 2.5 | 35% |
| CR Vasco da Gama (-1.5) | 22% |
| Fluminense FC O/U 1.5 | 18% |
| O/U 3.5 | 13% |
| CR Vasco da Gama O/U 2.5 | 8% |
| CR Vasco da Gama (-2.5) | 4% |
| O/U 4.5 | 3% |
| Fluminense FC O/U 2.5 | 3% |
| Fluminense FC (-1.5) | 1% |
| Fluminense FC (-2.5) | 1% |
| O/U 5.5 | 1% |
| Fluminense FC 1st Half O/U 0.5 | 1% |
| Fluminense FC 1st Half O/U 1.5 | 1% |
| CR Vasco da Gama 1st Half O/U 1.5 | 1% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
Market context
Fluminense’s Copa do Brasil tie with Vasco da Gama has a heavily fragmented pricing picture across venues, and that matters more here than the exact footballing label on the contract. Traditional books have generally put Fluminense only marginally ahead: recent pre-match lines implied roughly a 44-48% home win chance, with draw and Vasco both live, while under 2.5 goals has also been priced as the likelier scoreline shape[1][13][16]. By comparison, the prediction market’s 1% YES implies a far more extreme outcome state, so this contract is trading well below the broad sportsbook consensus rather than in line with it[6]. Comparable head-to-head pricing has usually sat in the low-to-mid 40s for Fluminense in win markets, which suggests this market is not a straight match-winner proxy and may be tied to a narrower “more markets” resolution condition[2][15].
The main catalysts are the match itself, team news, and any confirmation of the exact settlement rules or related sub-markets before kick-off. The fixture was scheduled for 5 August at 8:30 PM ET, and late line movement around starting elevens, injury updates, rotation, or whether one side needs to chase the tie can materially shift derivative markets such as cards, corners, correct score, and second-half goals[1][16]. Recent previews also pointed to a low-scoring script and a tight contest, with market expectation clustered around Fluminense as slight favourite rather than a dominant side[1][13]. For a contract priced at 1%, traders should watch whether the market is effectively pricing a very specific “more markets” outcome set, because any mismatch between sportsbook assumptions and the exact settlement wording is likely to be the biggest source of divergence[6].
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, which mirrors the Polymarket order book directly.
Resolution & payout
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
FAQ
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Best Prediction Markets 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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