Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi UK) 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% |
| 2nd Half O/U 0.5 | 100% |
| Santos FC 2nd Half O/U 0.5 | 100% |
| Santos FC O/U 0.5 | 63% |
| Clube do Remo O/U 2.5 | 50% |
| Both Teams to Score in Second Half | 50% |
| 2nd Half O/U 1.5 | 50% |
| 2nd Half O/U 2.5 | 50% |
| Clube do Remo 2nd Half O/U 0.5 | 50% |
| Clube do Remo 2nd Half O/U 1.5 | 50% |
| Santos FC 2nd Half O/U 1.5 | 50% |
| O/U 1.5 | 45% |
| Santos FC O/U 1.5 | 36% |
| Santos FC (-1.5) | 34% |
| Both Teams to Score | 13% |
| Clube do Remo O/U 0.5 | 13% |
| O/U 2.5 | 10% |
| Santos FC (-2.5) | 6% |
| Santos FC O/U 2.5 | 6% |
| Clube do Remo (-1.5) | 2% |
| Clube do Remo (-2.5) | 2% |
| O/U 3.5 | 2% |
| O/U 4.5 | 2% |
| O/U 5.5 | 2% |
| Clube do Remo O/U 1.5 | 1% |
| Clube do Remo 1st Half O/U 0.5 | 1% |
| Clube do Remo 1st Half O/U 1.5 | 1% |
| Santos FC 1st Half O/U 0.5 | 1% |
| Santos FC 1st Half O/U 1.5 | 1% |
| 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% |
Market context
Clube do Remo and Santos FC are priced by Polymarket at **5% YES** for the “More Markets” contract, so the market is treating an extra resolution outcome as a longshot rather than a likely base case[18]. For a trader using USDC on Polygon, that means the conditional tokens are assigning very little value to any additional Copa do Brasil side market being created and settling within the window, with the contract resolving off what actually appears in the official match and market set rather than the football result itself[18].
That 5% sits well below the broader match-up pricing seen elsewhere, where Santos has generally been the favourite and Remo the outsider[1][2][5]. Comparable pre-match data put Santos around the mid-40s to low-50s for a win in traditional books, while Remo’s win chance has mostly sat near the high-20s to mid-30s range, so the Polymarket price is not reflecting the fixture outcome so much as the narrower probability that additional, qualifying markets are listed and met the contract terms[1][2][14]. In practical terms, traders should compare the 5% against how often similar football cards generate extra markets in the hours around kick-off, because the token price is closer to a listing and settlement bet than a read on goals or advance probabilities[18].
The main catalysts are procedural: official line-ups, any late schedule change, and whether the match page spawns further derivative markets before the settlement cut-off at 00:30 UTC[16][18]. Kick-off was set for 4 August at 8:30 pm ET, and recent previews noted Santos as the favourite with under-2.5-goal and both-teams-to-score lines in play, which can influence whether market makers expect any extra categories to be listed if liquidity builds[1][13][14]. In a Polymarket context, the relevant watch-list is the exchange’s own market creation and resolution logic on Polygon, not just the scoreline on the night[18].
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 Kalshi UK, which mirrors the Polymarket order book directly.
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.
- 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 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.
- 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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