Grêmio FBPA vs. SC Corinthians Paulista

Platform comparison

Active sub-markets

Market context

Grêmio and Corinthians meet in Brazil's top division on 30 May 2026, with the market currently pricing zero probability of a Grêmio victory. This reflects either extreme confidence in a Corinthians win or draw, or minimal trading activity in what may be viewed as a secondary fixture within the crowded Brazilian football calendar. The settlement window closes immediately after the final whistle, leaving no room for post-match clarifications.

Historically, Grêmio's home record against Corinthians has been competitive, though recent seasons have seen Corinthians strengthen their squad considerably. The 0% probability assigned to a Grêmio win sits at odds with typical match variance in Série A, where even favoured sides regularly lose. Comparable fixtures between mid-table and upper-table sides in the division typically see the underdog priced between 20–35%, suggesting either exceptional confidence in Corinthians or illiquidity in this particular market.

Traders should monitor team news through late May, particularly injury updates for key players and any last-minute tactical shifts. Corinthians' form in the weeks leading up to the match will be critical—a run of poor results could shift sentiment materially. Weather conditions at Grêmio's home ground and fixture congestion across both squads' schedules warrant attention, as fixture density often produces unexpected results in Brazilian football. Any official lineup announcements within 24 hours of kickoff may trigger late movement, though the current zero probability suggests limited active interest.

Methodology

We track Grêmio FBPA vs. SC Corinthians Paulista on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

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

Where can I trade this market with the lowest fees?

On Prediction Today, which mirrors the Polymarket order book at 0% fees. 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 it cost to trade on Prediction Today?

Zero. Prediction Today routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.

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.