Mirassol FC vs. Fluminense FC

Platform comparison

Active sub-markets

Market context

Mirassol FC will host Fluminense FC in a Série A fixture on Saturday, 23 May 2026. The match represents a mid-table encounter in Brazil's top division, with Fluminense arriving as the stronger historical side. The 100% implied probability reflects either exceptionally high confidence in one outcome or, more likely, thin initial liquidity on this market—a common pattern for regional football matches where deposit friction and withdrawal options determine early book depth rather than fundamental certainty.

Fluminense have won three Série A titles and consistently compete for continental qualification, whilst Mirassol operates as a smaller club with less consistent top-flight presence. Historical head-to-head records favour Fluminense substantially, though Série A results remain volatile week to week. The current probability assignment warrants scrutiny: markets with single-digit participant counts often show extreme odds before meaningful capital flows arrive. Traders evaluating entry should consider whether deposit rails—SEPA transfers, Klarna instalments, or USDC on-chain settlement—are functioning smoothly, as funding velocity directly correlates with probability recalibration once liquidity deepens.

Key variables include team sheet announcements (typically released Friday before Saturday kickoff) and any late injury disclosures affecting either squad. Fluminense's continental commitments in Copa Libertadores may influence rotation decisions. Withdrawal processing times matter operationally: if settlement occurs Sunday evening but withdrawal queues extend into Monday, traders should factor that friction into position sizing. Recent Série A volatility suggests 100% odds rarely survive first-mover liquidity injection.

Methodology

We track Mirassol FC vs. Fluminense FC 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

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?

PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.

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 PolyGram?

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

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.