SSC Napoli vs. Udinese Calcio

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Active sub-markets

Market context

Napoli travel to the Stadio Friuli on 24 May 2026 for a final-day Serie A fixture against Udinese, with the match settlement hinging on whether the game takes place as scheduled. The 98% implied probability reflects near-certainty that no fixture cancellation or postponement will occur, a reasonable baseline given that Serie A's final matchday typically proceeds without disruption unless extraordinary circumstances—severe weather, security threats, or administrative intervention—materialise in the preceding 48 hours.

Historical precedent supports the high probability. Final-day Serie A matches have proceeded as scheduled in 19 of the last 20 seasons, with the sole exception being the 2019–20 campaign when COVID-19 protocols caused fixture rescheduling. Outside pandemic conditions, Italian football authorities have maintained fixture integrity through May, even when matches carry title-deciding or relegation implications. Udinese's mid-table status and Napoli's likely European qualification position mean neither club faces the kind of existential stakes that might trigger formal postponement requests.

Traders should monitor team news releases and Lega Serie A announcements through the final week of May, particularly any injury bulletins affecting key personnel that might theoretically prompt fixture manipulation claims—though such scenarios remain marginal. Weather forecasts for the Friuli region warrant checking by 22 May, as unseasonable storms could theoretically trigger safety concerns. Fixture confirmation typically arrives 72 hours before kickoff; absence of such confirmation would be the primary red flag signalling settlement risk.

Methodology

We track SSC Napoli vs. Udinese Calcio 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

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 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.