Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi vs Polymarket) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | View on Polymarket → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | View on Polymarket → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | View on Polymarket → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | View on Polymarket → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | View on Polymarket → |
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% |
| O/U 3.5 | 100% |
| O/U 4.5 | 100% |
| Both Teams to Score | 100% |
| Both Teams to Score in First Half | 100% |
| 1st Half O/U 0.5 | 100% |
| 1st Half O/U 1.5 | 100% |
| 1st Half O/U 2.5 | 100% |
| Club Bolívar O/U 0.5 | 100% |
| Club Bolívar O/U 1.5 | 100% |
| Club Bolívar O/U 2.5 | 100% |
| Grêmio FBPA O/U 0.5 | 100% |
| Grêmio FBPA O/U 1.5 | 100% |
| Club Bolívar 1st Half O/U 0.5 | 100% |
| Club Bolívar 1st Half O/U 1.5 | 100% |
| Grêmio FBPA 1st Half O/U 0.5 | 100% |
| Grêmio FBPA 1st Half O/U 1.5 | 100% |
| O/U 5.5 | 52% |
| Both Teams to Score in Second Half | 51% |
| 2nd Half O/U 0.5 | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| Club Bolívar 2nd Half O/U 0.5 | 50% |
| Club Bolívar 2nd Half O/U 1.5 | 50% |
| Grêmio FBPA 2nd Half O/U 0.5 | 50% |
| Grêmio FBPA 2nd Half O/U 1.5 | 50% |
| Club Bolívar (-1.5) | 33% |
| Grêmio FBPA O/U 2.5 | 13% |
| Club Bolívar (-2.5) | 8% |
| Grêmio FBPA (-1.5) | 1% |
| Grêmio FBPA (-2.5) | 1% |
Market context
Club Bolívar and Grêmio are meeting in a Copa Sudamericana knockout fixture, with the market on “More Markets” currently pricing **33% YES**, which sits well below the kind of binary certainty implied by one sportsbook snapshot that had a related “Yes/No” line at 0%/100% for a goals market. The cross-platform spread matters here because prediction-market pricing is often about the chance of *any* qualifying event in a contract bucket, while sportsbook odds are usually tied to a narrower match state or totals line; that can leave a 33% market looking cheap or expensive depending on what exactly resolves the contract. FootyStats’ head-to-head page also shows the teams are not operating in a high-scoring historical pattern, with Bolivar’s home average listed at 0.0 goals per match in the cited sample and Grêmio’s away average at 1.33, which frames the current price as one that is not obviously detached from low-event expectations.[1][2]
For traders, the main catalysts are the final team sheets, any late injury or rotation news, and whether either side alters its approach between first and second legs, because “More Markets” contracts can be driven by a single late goal, cards market, or qualification dependency rather than the result alone. Live match data already shows the game at 0-0 in StatsHub’s fixture view, so any shift in tempo, substitutions, or a VAR decision before settlement can move implied probability sharply in a short window.[3] The useful comparison is that the crowd is not pricing a certainty, so even modest pre-match disagreement between sportsbook totals, in-play momentum, and market makers’ assumptions can leave room for visible repricing right up to the 22:00Z settlement deadline.[2][3]
Methodology
We track Club Bolívar vs. Grêmio FBPA - 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
At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.
On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.
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 Kalshi vs Polymarket 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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