Resolution criteria on PolyGram: More markets for the Serie B game, scheduled for May 12 at 3:00 PM ET.
PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.
Market outcomes
| US Catanzaro 1929 (-1.5) | 21% YES | 79% NO |
| US Avellino 1912 (-1.5) | 10% YES | 91% NO |
| US Catanzaro 1929 (-2.5) | 9% YES | 92% NO |
| US Avellino 1912 (-2.5) | 3% YES | 97% NO |
| O/U 0.5 | 92% YES | 8% NO |
| O/U 1.5 | 72% YES | 28% NO |
| O/U 2.5 | 46% YES | 54% NO |
| O/U 3.5 | 25% YES | 75% NO |
Catanzaro and Avellino will meet in Serie B on 12 May 2026 at 3:00 PM ET. This market settles YES if additional betting markets for the fixture are created on Polymarket before the settlement window closes. The current order book implies a 21% probability that supplementary markets will be offered, reflecting trader expectations about Polymarket's market expansion strategy for this particular match.
Serie B fixtures typically attract limited secondary market creation compared to top-tier Serie A matches or major European competitions. Historical precedent suggests that Polymarket expands its sports offerings selectively, prioritising matches with high liquidity potential or significant betting interest. The positioning of Catanzaro and Avellino—mid-table clubs with modest followings outside southern Italy—makes additional markets less certain than they would be for fixtures involving larger franchises. Comparable lower-division Italian football matches have seen sparse supplementary market development on prediction platforms.
Key variables for traders centre on Polymarket's operational priorities in the weeks preceding the match. The platform's market creation decisions depend partly on user demand signals and partly on internal resource allocation. Any notable developments affecting either club's league position, injury news, or managerial changes could alter perceived match significance and influence whether additional markets justify creation. Traders should monitor Polymarket's market listings and community discussions in early May, as the settlement window approaches, to gauge whether the platform intends to expand coverage for this fixture.
Unione Sportiva Catanzaro 1929, or simply Catanzaro, is a professional football club based in Catanzaro, Calabria, Italy, that competes in Serie B, the second tier of the Italian football, following a 17-year absence.
This market settles from the official outcome published at https://www.legaserieb.it/. A proposer submits the final result to the UMA optimistic oracle on Polygon; the two-hour dispute window closes and payouts clear in USDC.
The mechanics for trading "US Catanzaro 1929 vs. US Avellino 1912 - More Markets" are the same as any other PolyGram sporting event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.
$99 in lifetime turnover and $45K of resting liquidity puts this market in the below the median by volume for sports contracts on PolyGram. Order-book depth is strong — order books support five-figure trades with single-cent slippage.
The market has been open for under a month — fresh enough that information asymmetry remains a real factor.
Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.
Resolution is sourced from https://www.legaserieb.it/. Settlement is executed by the UMA optimistic oracle on Polygon, with a 2-hour dispute window before payouts clear.
This prediction market is scheduled to close on 12 May 2026. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.
To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.
When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.
Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.
Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.
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