Ceará SC vs. Athletic Club - More Markets

Platform comparison

Market context

Ceará SC will face Athletic Club in a Brazil Serie B fixture on 13 July at 7:30 PM ET. This market invites traders to purchase YES or NO shares on an unspecified secondary market related to that match—the exact settlement condition remains undefined in the market description, which is why the crowd has assigned zero probability to YES. In prediction markets, a YES share pays out if the specified event occurs; a NO share pays out if it does not. Here, without clarity on what constitutes a YES outcome, traders cannot reliably price the contract, leaving it at a floor valuation.

Serie B is Brazil's second-tier football division, where Ceará and Athletic Club compete in a 38-match season. Historical patterns in Brazilian football markets show that undefined settlement criteria typically remain untraded until clarification arrives, or they resolve against YES by default if no explicit condition is met. Recent Serie B seasons have seen volatile standings, with mid-table clubs capable of significant point swings over short windows. Both teams' current league position, recent form, and injury status will influence how traders eventually interpret any clarifying announcement about the market's true settlement condition.

Traders should monitor official league communications and the platform's clarification notice before the settlement window closes on 13 July at 11:30 PM UTC. Any announcement specifying whether this market concerns goals, cards, possession, or another measurable outcome will likely trigger repricing. Until then, the zero probability reflects rational caution rather than confidence in a NO outcome.

Methodology

Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). That keeps the comparison honest — a single canonical probability across the row, with the venue-by-venue trade-offs spelt out in the columns next to it.

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

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'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 Prediction Market UK 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.