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% |
| O/U 1.5 | 100% |
| Both Teams to Score | 100% |
| Grêmio FBPA O/U 0.5 | 100% |
| Fluminense FC O/U 0.5 | 100% |
| Both Teams to Score in Second Half | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| Grêmio FBPA 2nd Half O/U 0.5 | 100% |
| Fluminense FC 2nd Half O/U 0.5 | 100% |
| Grêmio FBPA (-1.5) | 0% |
| Fluminense FC (-1.5) | 0% |
| Grêmio FBPA (-2.5) | 0% |
| Fluminense FC (-2.5) | 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 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% |
| Grêmio FBPA O/U 1.5 | 0% |
| Grêmio FBPA O/U 2.5 | 0% |
| Fluminense FC O/U 1.5 | 0% |
| Fluminense FC O/U 2.5 | 0% |
| Grêmio FBPA 1st Half O/U 0.5 | 0% |
| Grêmio FBPA 1st Half O/U 1.5 | 0% |
| Fluminense FC 1st Half O/U 0.5 | 0% |
| Fluminense FC 1st Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Grêmio FBPA 2nd Half O/U 1.5 | 0% |
| Fluminense FC 2nd Half O/U 1.5 | 0% |
Market context
Grêmio’s Série A meeting with Fluminense at 5:30 PM ET has been priced very differently across the market stack: sportsbook previews leaned towards Fluminense, with one line effectively making the visitors a short favourite, while other match models landed on a narrow away win or a low-scoring draw[1][3][6]. By contrast, this prediction market’s crowd-implied probability of **0% YES** implies the contract is being treated as an outlier or as an event the crowd expects to fail outright, which is a sharp divergence from the pre-match football markets that still saw both sides as live[1][3][6]. Comparable projections were not unanimous either — one preview pointed to Grêmio’s recent edge in the fixture, another to a 1-1 stalemate, and another to a 1-2 away win — which is the kind of split that usually compresses the range of sensible “more markets” outcomes rather than producing a clean consensus[3][5][6].
For traders, the main catalysts are late team news, especially any update on attack availability, because several previews framed the game around how each side copes with missing or returning forwards and creators[2][3]. Fixture context also matters: a compact Série A calendar can change rotation plans quickly, and that tends to affect niche derivative markets more than the headline 1X2 line[2][3]. If any sportsbook moves sharply on the back of lineup leaks, it would be the clearest cross-platform signal to watch, since the current pricing gap already suggests the contract is not tracking mainstream match expectations[1][3][6].
Methodology
We track Grêmio FBPA vs. Fluminense FC - 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 Best Prediction Markets. 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.
- 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.
- 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.
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