Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Prediction Today) 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 and Fluminense are due to meet in Série A this weekend, and the market is pricing the wider “more markets” set at **0% YES**, which points to no active expectation that additional listed outcomes will settle positively. In practical terms, that usually reflects a slate where the result is considered too tightly balanced, or where the available market list is thin enough that traders are not assigning value to the broader bundle.
Recent previews frame this as a close, low-margin fixture rather than a one-sided spot. Sports Mole and Futmetrix both see a narrow game, with predicted scores of 1-2 and 1-1 respectively, while other pricing models split the win probabilities almost evenly between the sides and the draw.[3][7] That matters because historically, matches judged this evenly tend to keep “more markets” style propositions fragile: one late goal, a tactical stalemate, or a single team-news change can swing the shape of the market far more than in a clear mismatch.[6][9]
For the next catalyst, watch team news and any late confirmation of line-ups, especially in attack and at centre-back, because several previews tie the matchup’s outlook to availability and organisation rather than raw quality.[1][2] Grêmio have been described as less convincing without key attacking leaders, while Fluminense are being treated as the more structured side and have been given a slight edge by some bookmakers and preview models.[1][2][4] Any late schedule change, rotation hint, or confirmed absence before kick-off would be the main driver for traders focused on this market.
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
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
- 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 Prediction Today. 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 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 Prediction Today 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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