Resolution criteria on PolyGram: This market will resolve to “Raptors” if the Toronto Raptors win the 2026 NBA Playoffs First Round series between the Toronto Raptors and Cleveland Cavaliers. This market will resolve to “Cavs” if the Cleveland Cavaliers win the 2026 NBA Playoffs First Round series between the Toronto Raptors and Cleveland Cavaliers. If a partial series is played and not completed by May 31, 2026, 11:59 PM ET, this market will resolve to 50-50. If the 2026 NBA Playoffs are cancelled, postponed after May 31, 2026, 11:59 PM ET, or there is otherwise no winner declared within that timeframe, this market will resolve to 50-50.
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
| NBA Playoffs: Who Will Win Series? - Raptors vs. Cavaliers | 0% YES | 100% NO |
The 2026 NBA Playoffs First Round matchup between the Toronto Raptors and Cleveland Cavaliers will determine which team advances from their bracket position. The series format follows the standard best-of-seven structure, with the first team to win four games progressing to the second round. Settlement occurs on 4 May 2026, with a contingency provision that any series not completed by 31 May 2026 resolves to 50-50.
The 0% implied probability on Polymarket's order book reflects either an absence of trading activity establishing a price, or a market consensus that one outcome carries negligible likelihood given current roster compositions and regular-season performance. Historical first-round matchups between these franchises provide limited direct precedent; the Raptors and Cavaliers last met in the playoffs during the 2016–2017 season when Cleveland advanced. Current regular-season standings, injury reports, and playoff seeding will substantially influence how traders reassess these probabilities as the 2026 season concludes and the playoff bracket is finalised.
Traders should monitor roster developments through the remainder of the regular season, particularly any significant injuries to key players on either squad. The NBA's official playoff schedule announcement, typically released in April, will confirm matchup timing and venue assignments. Polymarket's order book will likely see increased activity once the playoff bracket is locked and traders can price the matchup with certainty about both teams' health status and momentum heading into the series.
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a two-hour dispute window opens, and if no one stakes a counter-claim the payout is final. Contested outcomes escalate to UMA token-holder voting. Payouts clear in USDC to the winning side.
The mechanics for trading "NBA Playoffs: Who Will Win Series? - Raptors vs. Cavaliers" 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.
$172K in lifetime turnover and $0 of resting liquidity puts this market in the top 30% 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.
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 0%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.
Resolution is handled by the UMA optimistic oracle on Polygon. A proposer submits the outcome, a 2-hour dispute window opens, and if uncontested the payout is final. Contested outcomes escalate to UMA token holders.
This prediction market is scheduled to close on 4 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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