Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Sport Prediction Pick polygram.ink |
3% | 97% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on Sport Prediction → |
Polymarket polymarket.com |
3% | 97% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on Sport Prediction → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on Sport Prediction → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on Sport Prediction → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on Sport Prediction → |
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 Sport Prediction.
Active sub-markets
| Maurizio Sarri | 3% YES | 97% NO |
| Dries Mertens | 0% YES | 100% NO |
| Thomas Frank | 0% YES | 100% NO |
| Oliver Glasner | 0% YES | 100% NO |
| Manager A | — | |
| Manager H | — | |
Market context
Napoli's managerial position remains unsettled following the departure of Rudi Garcia in June 2024, with the club cycling through interim arrangements and short-term appointments as sporting director Giovanni Manna seeks a permanent solution. The 3% probability reflects the market's assessment that a formal, lasting managerial appointment is unlikely before the August 2026 deadline, suggesting either continued interim management or resolution to "Other."
Historical precedent matters here. Napoli's last two permanent managerial transitions—the appointment of Maurizio Sarri in 2014 and Carlo Ancelotti in 2018—occurred during pre-season windows, typically June or July. The club's pattern of decisive action during the summer transfer period contrasts sharply with the current drift. When Napoli has delayed permanent appointments beyond August, instability has followed; the 2022–23 season saw Luciano Spalletti inherit a fractured squad mid-campaign. The low crowd probability reflects scepticism that Manna will commit to a permanent hire given the club's recent volatility and the reputational risk of another false start.
Traders should monitor Napoli's pre-season performance in July 2026 and any public statements from Manna regarding managerial targets. Fixture congestion—particularly European qualification demands—could force the club's hand if Napoli secures Champions League football. Conversely, a poor 2025–26 campaign might prompt another interim extension rather than a permanent appointment. Italian media outlets including Corriere della Sera have noted the club's reluctance to announce candidates publicly, suggesting negotiations remain fluid and a decision could materialise suddenly once a suitable candidate agrees terms.
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
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?
- Sport Prediction 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 does it cost to trade on Sport Prediction?
- Zero. Sport Prediction routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, Sport Prediction 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.
Trade Serie A: Next Napoli Manager on Sport Prediction
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