Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Kalshi Fees) 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 |
|---|---|
| SC Internacional (-1.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| SC Internacional O/U 0.5 | 100% |
| SC Internacional O/U 1.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| 2nd Half O/U 1.5 | 100% |
| SC Internacional 2nd Half O/U 0.5 | 100% |
| SC Internacional 2nd Half O/U 1.5 | 100% |
| SC Corinthians Paulista (-1.5) | 0% |
| SC Internacional (-2.5) | 0% |
| SC Corinthians Paulista (-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 | 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% |
| SC Internacional O/U 2.5 | 0% |
| SC Corinthians Paulista O/U 0.5 | 0% |
| SC Corinthians Paulista O/U 1.5 | 0% |
| SC Corinthians Paulista O/U 2.5 | 0% |
| SC Internacional 1st Half O/U 0.5 | 0% |
| SC Internacional 1st Half O/U 1.5 | 0% |
| SC Corinthians Paulista 1st Half O/U 0.5 | 0% |
| SC Corinthians Paulista 1st Half O/U 1.5 | 0% |
| Both Teams to Score in Second Half | 0% |
| 2nd Half O/U 2.5 | 0% |
| SC Corinthians Paulista 2nd Half O/U 0.5 | 0% |
| SC Corinthians Paulista 2nd Half O/U 1.5 | 0% |
Market context
Internacional faced Corinthians in the Copa do Brasil on 2 August at Estádio José Pinheiro Borda, and the “more markets” contract is effectively a wrapper around the availability of a particular side market rather than the match result itself. On a programmatic desk, a 100% crowd-implied price means the market is already behaving like a settled binary: most automation would treat it as a near-certain yes-fill unless there is a rules clarification, an outage, or a late correction to the event mapping.[3]
The historical frame is fairly tight. These clubs have drawn heavily in recent meetings, with FootyStats putting the head-to-head at 14 draws in 26 matches, while SoccerPunter shows 20 draws in 42. Recent comparable meetings have also tended to be low-scoring and narrow: Internacional beat Corinthians 1-0 in April 2026, and SportsGambler notes six draws, three Internacional wins and one Corinthians win across the last 10 meetings, which is the kind of profile that usually keeps secondary markets sensitive to line-up news rather than to open-play volatility.[8][17][20]
For a trader using bots, copy-trading or conditional orders, the key catalyst is whether the official match and market metadata stay aligned through kick-off and settlement. The most relevant live inputs are club line-ups, any Copa do Brasil scheduling changes, and whether the listed start time remains 22:30 UTC; FotMob and SofaScore both place the fixture at that time, which is useful for automated checks against stale calendar data.[1][3] A practical workflow is to monitor the event ID, not the headline, because a “more markets” product can settle on the exact market family attached to the fixture, and a mismatch there is the main source of avoidable execution and settlement errors.[3]
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 Fees, 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
- 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 Kalshi Fees. 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.
- 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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