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% |
| Both Teams to Score | 100% |
| 1st Half O/U 0.5 | 100% |
| Mirassol FC O/U 0.5 | 100% |
| Grêmio FBPA O/U 0.5 | 100% |
| Mirassol FC 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Grêmio FBPA 2nd Half O/U 0.5 | 100% |
| Mirassol FC (-1.5) | 0% |
| Grêmio FBPA (-1.5) | 0% |
| Mirassol FC (-2.5) | 0% |
| Grêmio FBPA (-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 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Mirassol FC O/U 1.5 | 0% |
| Mirassol FC O/U 2.5 | 0% |
| Grêmio FBPA O/U 1.5 | 0% |
| Grêmio FBPA O/U 2.5 | 0% |
| Mirassol FC 1st Half O/U 1.5 | 0% |
| Grêmio FBPA 1st Half O/U 0.5 | 0% |
| Grêmio FBPA 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% |
| Mirassol FC 2nd Half O/U 0.5 | 0% |
| Mirassol FC 2nd Half O/U 1.5 | 0% |
| Grêmio FBPA 2nd Half O/U 1.5 | 0% |
Market context
Mirassol FC v Grêmio FBPA is live in Polymarket terms as a **0% YES** contract, so the market is currently implying that none of the listed “more markets” will resolve in the affirmative before the settlement window closes at 21:00 UTC on 2 August 2026. On Polymarket, that price is not a view on the football match in the abstract; it is a USDC-denominated position on Polygon, settled by conditional tokens against the contract’s exact rules, so traders are really pricing what the market text says will happen, not just who wins the Copa do Brasil tie.
The recent head-to-head is the main comparable frame: Mirassol beat Grêmio 2-1 in July 2026, and earlier meetings also favoured Mirassol, which shows this pairing has not behaved like a simple hierarchy market[1][8][9]. Match-level numbers from recent reporting point to a tighter contest than the badge names suggest, with Grêmio carrying more possession and shots in that July meeting, while market previews still leaned toward a lower-scoring game overall[11][15][16]. For a “more markets” contract, that matters because any line tied to goals, cards, or both-teams-to-score can be sensitive to a single late event, even when the crowd probability starts at zero.
Traders should watch the official team news, the confirmed kick-off and any Copa do Brasil scheduling changes, because those directly affect lineups, tempo, and whether side markets are even triggered by the published rule set. ESPN’s match listing and other live fixtures pages confirm the fixture context, but the key catalyst for this market is whether Polymarket’s event criteria match the final competition and match data feed, since conditional-tokens settlement follows the oracle and not the commentary around the game[1][10][15].
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.
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
- 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.
- 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.
- 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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