Resolution criteria on PolyGram: In the upcoming NBA game, scheduled for May 13 at 12:00AM ET: If the Cavaliers win, the market will resolve to "Cavaliers". If the Pistons win, the market will resolve to "Pistons". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50. The result will be determined based on the final score including any overtime periods.
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
| Cavaliers vs. Pistons | 36% YES | 64% NO |
The Cleveland Cavaliers face the Detroit Pistons in an NBA matchup scheduled for 13 May at 12:00 AM ET. The current order book on Polymarket reflects a 41% implied probability for a Cavaliers victory, suggesting the market participants view Detroit as slight favourites or expect relatively even odds. This probability formation emerges from real-time trading activity across the platform's liquidity pools, where traders continuously adjust positions based on available information and their assessments of team strength.
Historical context matters when interpreting this probability. The Cavaliers and Pistons have divergent trajectories in recent seasons, with Cleveland generally performing at a higher level in recent years. However, playoff positioning and seeding can significantly alter matchup dynamics—a late-season game in May suggests potential playoff implications or tournament circumstances that compress typical regular-season advantages. The 41% figure sits comfortably within the range where neither team is heavily favoured, reflecting genuine uncertainty about the outcome.
Key variables for traders to monitor include roster availability and injury reports released closer to tip-off, as absences of key players can shift win probability substantially. Schedule fatigue—whether either team played the previous night—represents another material factor. Recent form matters considerably; teams entering May with momentum typically command higher probabilities than their season-long records suggest. The settlement window closes immediately after the final score is determined, including any overtime periods, so traders should account for the precise timing of result confirmation on the order book.
This market settles from the official outcome published at https://www.nba.com/. 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 "Cavaliers vs. Pistons" 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.
$12K in lifetime turnover and $33K 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.
Last 24 hours alone saw $12K 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.
As of today, traders on Polymarket price this outcome at 36%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.
Resolution is sourced from https://www.nba.com/. 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 13 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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