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 | Open the market → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open the market → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open the market → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open the market → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open the market → |
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% |
| Both Teams to Score | 100% |
| 1st Half O/U 0.5 | 100% |
| Fluminense FC 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 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Both Teams to Score in Second Half | 99% |
| 2nd Half O/U 1.5 | 99% |
| Fluminense FC 2nd Half O/U 0.5 | 99% |
| CR Vasco da Gama 2nd Half O/U 0.5 | 99% |
| CR Vasco da Gama O/U 2.5 | 51% |
| Fluminense FC O/U 1.5 | 50% |
| Fluminense FC O/U 2.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| Fluminense FC 2nd Half O/U 1.5 | 50% |
| CR Vasco da Gama 2nd Half O/U 1.5 | 50% |
| O/U 3.5 | 21% |
| CR Vasco da Gama (-2.5) | 17% |
| Fluminense FC (-2.5) | 14% |
| CR Vasco da Gama (-1.5) | 6% |
| O/U 4.5 | 5% |
| Fluminense FC (-1.5) | 2% |
| O/U 5.5 | 2% |
| 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 and Vasco da Gama were the real-world Copa do Brasil fixture behind this Polymarket contract, and the market is currently pricing the listed outcome at **2% YES**, which is the relevant signal for the specific on-chain question rather than the match result itself. On Polymarket, that price is expressed through USDC-backed positions on Polygon using conditional tokens, so traders are effectively marking the chance that the “more markets” condition settles true by the 6 August 2026 window rather than staking on a conventional sportsbook line.
A 2% reading is extremely low against the broader pre-match framing around this derby. Recent bookmaker and tipster material still treated Fluminense as the narrower favourite, with implied win probabilities in the high-40s to mid-50s and a lean towards lower-scoring or tight-margin outcomes, while historical head-to-head work has often shown competitive margins and frequent goal involvement rather than one-sided games.[1][12][16] For a Polymarket user, that means the contract is not pricing the nominal strength of either side; it is pricing the probability that the exact “more markets” settlement condition is met, which is usually a much narrower event than the underlying match narrative.
The key catalysts are anything that affects whether the market’s settlement criteria are triggered before the deadline: official Copa do Brasil administration, confirmation of any extra market listings tied to the match, and any schedule or venue changes that alter the trading window. Match-day team news can matter only indirectly unless the “more markets” condition depends on a live market being offered or resolved, so traders should watch for the competition’s official announcements and the final Polymarket market specs rather than the usual scoreline headlines.[1][14][17]
Methodology
We track Fluminense FC vs. CR Vasco da Gama - More Markets across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.
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.
- 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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