Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
| SSC Napoli (-1.5) | 0% YES | 100% NO |
| Udinese Calcio (-1.5) | 0% YES | 100% NO |
| SSC Napoli (-2.5) | 0% YES | 100% NO |
| Udinese Calcio (-2.5) | 0% YES | 100% NO |
| O/U 0.5 | 100% YES | 0% NO |
| O/U 1.5 | 0% YES | 100% NO |
Market context
Napoli travel to Udinese on 24 May for a final-day Serie A fixture with significant implications for European qualification positions. The match kicks off at 9:00 AM ET, unusually early for Italian football, a scheduling choice that may favour neither side but could affect team preparation and player availability given potential fatigue from midweek commitments.
The 0% implied probability on this prediction market contrasts sharply with typical sportsbook positioning for late-season Serie A matches. Historical data from final-day Serie A encounters shows that markets often compress heavily in the 48 hours before kickoff as late team news emerges—injuries, tactical shifts, and qualification scenarios crystallise. Napoli's recent form and Udinese's home record will anchor traditional bookmaker lines, yet the prediction market's current extreme positioning suggests either illiquidity or a genuine consensus that specific outcomes are ruled out. Comparable fixtures from May 2024 and 2023 demonstrated that early-window probabilities frequently shift 15–25 percentage points once squad sheets are confirmed.
Traders should monitor official team news from both clubs, particularly injury confirmations and any late managerial decisions. Napoli's European qualification status and Udinese's potential involvement in relegation battles or mid-table consolidation will drive late movement. Weather conditions at the Stadio Friuli and any fixture-congestion effects from European competitions will also influence line movement across sportsbooks and peer-to-peer markets in the final 72 hours before settlement.
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $180K.
Methodology
Methodologically we separate two layers: the live probability (Polymarket mid-price) and the platform attributes (fee, KYC, settlement currency, payment rails). The odds column is filled only where we have clean data — that avoids the made-up numbers that get a network demoted when search engines cross-check against the source venue.
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 PolyGram, 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.
- 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.
- 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.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in 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.
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