Resolution criteria on PolyGram: In the upcoming Serie B game between US Catanzaro 1929 and US Avellino 1912, scheduled for May 12, 2026 at 3:00 PM ET: This event contains halftime result markets for home, draw, and away outcomes within the first 45 minutes of regular play plus stoppage time.
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 | 35% YES | 66% NO |
| Draw | 44% YES | 56% NO |
| US Avellino 1912 | 23% YES | 77% NO |
On 12 May 2026, US Catanzaro 1929 will host US Avellino 1912 in a Serie B fixture, with settlement determined by the halftime scoreline after 45 minutes plus stoppage time. The current order book on Polymarket reflects a 34% implied probability for a Catanzaro halftime win, suggesting the market is pricing Avellino as slight favourites or expecting a draw as the modal outcome in the opening period.
Serie B matches historically show halftime results that diverge meaningfully from final outcomes, with defensive adjustments and tactical shifts accounting for roughly 40% of matches changing result category between halves. Catanzaro's home advantage typically manifests more strongly in the second half, where pressing intensity increases; first-half results in lower-division Italian football tend to reflect early-game caution and setup phases rather than full tactical commitment. The 34% probability for a home halftime win sits within the expected range for a mid-table fixture where neither side has established dominant early-game patterns.
Traders should monitor team news releases through early May regarding injury status, particularly for key attacking or defensive personnel, as absences reshape first-half tactical approaches. Recent Serie B scheduling patterns show fixture congestion in the final weeks can affect squad rotation decisions announced 48 hours before kickoff. Weather conditions on match day—wind and pitch state—carry outsized influence on halftime results given the compressed timeframe and reduced adaptation period compared to full matches.
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 - Halftime Result" 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.
$30 in lifetime turnover and $10K of resting liquidity puts this market in the below the median by volume for sports contracts on PolyGram. Order-book depth is modest — expect a couple of cents of slippage on $1k+ trades.
Last 24 hours alone saw $30 in turnover, well above the lifetime daily-average for this market — a clear sign of news catalysing trader activity right now.
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.
Explore more prediction market odds and trading opportunities on PolyGram: