Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Polymarket Scam?) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Place a position → |
Polymarket (direct) polymarket.com |
100% | 0% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Place a position → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Place a position → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Place a position → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Place a position → |
Outcome probabilities
Current market-implied probability for each outcome, from the live order book.
| Outcome | Probability |
|---|---|
| O/U 0.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| Club Bolívar O/U 0.5 | 100% |
| Club Bolívar 1st Half O/U 0.5 | 100% |
| Grêmio FBPA (-1.5) | 0% |
| Club Bolívar (-1.5) | 0% |
| Grêmio FBPA (-2.5) | 0% |
| Club Bolívar (-2.5) | 0% |
| O/U 1.5 | 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 | 0% |
| Both Teams to Score in First Half | 0% |
| 1st Half O/U 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Grêmio FBPA O/U 0.5 | 0% |
| Grêmio FBPA O/U 1.5 | 0% |
| Grêmio FBPA O/U 2.5 | 0% |
| Club Bolívar O/U 1.5 | 0% |
| Club Bolívar O/U 2.5 | 0% |
| Grêmio FBPA 1st Half O/U 0.5 | 0% |
| Grêmio FBPA 1st Half O/U 1.5 | 0% |
| Club Bolívar 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 0.5 | 0% |
| 2nd Half O/U 1.5 | 0% |
| 2nd Half O/U 2.5 | 0% |
| Grêmio FBPA 2nd Half O/U 0.5 | 0% |
| Grêmio FBPA 2nd Half O/U 1.5 | 0% |
| Club Bolívar 2nd Half O/U 0.5 | 0% |
| Club Bolívar 2nd Half O/U 1.5 | 0% |
Market context
Grêmio FBPA vs Club Bolívar is priced on Polymarket as a **0% YES** contract for the “More markets” slate, with settlement tied to what is actually defined in the market rather than the football result in the abstract. On-chain, that means traders are buying and selling **USDC**-denominated exposure via **Polygon** and the market’s **conditional tokens**, so the quoted price reflects the crowd’s view of whether the listed extra market condition resolves true before the 30 July 22:00 UTC settlement window closes.
The historical lens is thin but useful: the clubs have met only four or five times in official competition, and the balance has generally favoured Grêmio, with three wins to Bolívar’s one in the commonly cited records. Those meetings were all in the **Copa Libertadores**, making this the first time the pairing has been framed in a different CONMEBOL competition, which matters because traders often over-weight head-to-head history even when the tournament context changes. Bolívar’s 3-2 win on 23 July also shows that the matchup can break away from the older Grêmio edge, especially in La Paz where home conditions are distinctive.[2][8][20]
For catalysts, a Polymarket user should watch the actual CONMEBOL match administration closely: lineup releases, any late schedule changes, and whether the governing body confirms the fixture and related markets cleanly before settlement. The official CONMEBOL fixture page lists the Sudamericana knockout-round play-off tie at Estadio Hernando Siles with a 0-0 aggregate context, which is the sort of dependency that can affect “more markets” resolution if the listed sub-market depends on advance, qualification, or match completion rather than the scoreline alone.[12] Recent match reporting also shows form and context moving quickly, with Bolívar coming in after wins over Independiente Rivadavia and Guabirá, while Grêmio had just lost 2-1 to Mirassol, so any late team-news swing could matter more than the static head-to-head data.[8][11]
Methodology
This page is a comparison snapshot: one live quote, four reference venues with their key attributes, and a single execution path — every trade button routes to Polymarket Scam?, which mirrors the Polymarket order book directly.
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
- 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.
- 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 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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