Resolution criteria on PolyGram: In the upcoming NBA game, scheduled for May 7 at 7:00PM 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 | 0% YES | 100% NO |
| Spread -3.5 | 100% YES | 0% NO |
| O/U 216.5 | 0% YES | 100% NO |
| O/U 215.5 | 0% YES | 100% NO |
| 1H Spread -1.5 | 100% YES | 0% NO |
| 1H O/U 105.5 | 0% YES | 100% NO |
| 1H Moneyline | 0% YES | 100% NO |
| Cade Cunningham: Points O/U 27.5 | 0% YES | 100% NO |
The Cleveland Cavaliers face the Detroit Pistons in an NBA matchup scheduled for 7 May at 7:00 PM ET. The current crowd-implied probability of 41% for a Cavaliers victory reflects moderate confidence in the visiting team, though the settlement window closes at 11:00 PM ET on the same day, allowing minimal time for late-breaking developments.
Historical context between these franchises shows the Cavaliers have maintained a competitive edge in recent seasons. The Cavaliers' regular-season record against the Pistons over the past three years has favoured Cleveland, though individual games remain subject to roster composition and form on the day. The 41% probability for a Cavaliers win suggests traders are pricing in meaningful uncertainty, potentially reflecting the Pistons' home-court advantage or recent performance fluctuations. Comparable NBA matchups with similar implied probabilities typically see outcomes split roughly evenly when accounting for variance in team strength and situational factors.
Traders should monitor roster availability in the days preceding 7 May, particularly injury reports for key players on both sides. The Cavaliers' depth and recent momentum will be critical factors, as will the Pistons' performance trajectory heading into the fixture. Any late schedule changes or postponements would extend the settlement window, though the market's cancellation clause (resolving 50-50 if no make-up game occurs) provides clarity on tail-risk scenarios. Team announcements regarding player status typically emerge 24 hours before tip-off.
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.
$7.8M in lifetime turnover and $0 of resting liquidity puts this market in the top 2% by volume for sports contracts on PolyGram. Order-book depth is thin — large orders may need to be split across the book or executed as limit orders.
Last 24 hours alone saw $45 in turnover, consistent with the market's lifetime daily-average pace.
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.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 7 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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