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 |
|---|---|
| Goiás EC (-1.5) | 100% |
| O/U 0.5 | 100% |
| O/U 1.5 | 100% |
| 1st Half O/U 0.5 | 100% |
| Goiás EC O/U 0.5 | 100% |
| Goiás EC 1st Half O/U 0.5 | 100% |
| 2nd Half O/U 0.5 | 100% |
| Goiás EC 2nd Half O/U 0.5 | 100% |
| Goiás EC O/U 1.5 | 99% |
| Goiás EC O/U 2.5 | 1% |
| Ceará SC O/U 0.5 | 1% |
| Ceará SC O/U 1.5 | 1% |
| Ceará SC O/U 2.5 | 1% |
| Ceará SC (-1.5) | 0% |
| Goiás EC (-2.5) | 0% |
| Ceará SC (-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 1.5 | 0% |
| 1st Half O/U 2.5 | 0% |
| Goiás EC 1st Half O/U 1.5 | 0% |
| Ceará SC 1st Half O/U 0.5 | 0% |
| Ceará SC 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% |
| Goiás EC 2nd Half O/U 1.5 | 0% |
| Ceará SC 2nd Half O/U 0.5 | 0% |
| Ceará SC 2nd Half O/U 1.5 | 0% |
Market context
The Brazil Serie B match between Goiás EC and Ceará SC took place on 4 July 2026 at 7:00 PM ET, with the prediction market now settled at 100% YES. On Polymarket, this contract trades at full price, reflecting the on-chain resolution of the conditional token tied to the event outcome, not the abstract probability of the game itself. The USDC-denominated position on the Polygon network has already been redeemed, confirming the event’s finality.
Historically, Goiás EC has dominated this fixture: across 16 meetings since 2010, Goiás won 5 games (17 total goals, 1.1 PPG) while Ceará won only 2 (16 goals, 1.0 PPG)[1]. In their last 12 encounters, Goiás secured 5 wins, Ceará 2, and 5 ended in draws, with Goiás consistently outscoring Ceará in xG terms[7]. This pattern of Goiás’ superiority frames the 100% settlement as a logical conclusion rather than an outlier.
Traders should monitor post-match official announcements from the Brazilian Football Confederation (CBF) regarding any potential disciplinary actions or match irregularities, though none have been reported. The match’s live data confirms a standard 90-minute result with no stoppages or cancellations[2]. With the settlement window closed as of 2026-07-04T23:00:00Z, no further dependencies remain, and the on-chain outcome is immutable.
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
Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.
Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.
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 UK. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.
- 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.
- Do I need to KYC for this market?
- On Polymarket directly, no — it's wallet-based. Intermediary brokers like Kalshi UK trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.
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