Resolution criteria on PolyGram: This market refers to the tennis match between Diego Dedura-Palomero and Joao Lucas Da Silva in the Heilbronn, originally scheduled for June 4, 2026 at 5:00AM ET. This market will resolve to 'Diego Dedura-Palomero' if Diego Dedura-Palomero advances against Joao Lucas Da Silva. This market will resolve to 'Joao Lucas Da Silva' if Joao Lucas Da Silva advances against Diego Dedura-Palomero. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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
| Heilbronn: Diego Dedura-Palomero vs Joao Lucas Da Silva | 50% YES | 50% NO |
| Completed Match | 50% YES | 50% NO |
| Heilbronn: Diego Dedura-Palomero vs Joao Lucas Da Silva Match O/U 21.5 | 50% YES | 50% NO |
| Heilbronn: Diego Dedura-Palomero vs Joao Lucas Da Silva Total Sets: O/U 2.5 | 50% YES | 50% NO |
| Heilbronn: Diego Dedura-Palomero vs Joao Lucas Da Silva Set 1 Winner | 50% YES | 50% NO |
| Heilbronn: Diego Dedura-Palomero vs Joao Lucas Da Silva Set 1 O/U 8.5 | 50% YES | 50% NO |
| Heilbronn: Diego Dedura-Palomero vs Joao Lucas Da Silva Match O/U 22.5 | 50% YES | 50% NO |
| Heilbronn: Diego Dedura-Palomero vs Joao Lucas Da Silva Set 1 O/U 9.5 | 50% YES | 50% NO |
Diego Dedura-Palomero and Joao Lucas Da Silva are scheduled to meet in the Heilbronn tournament on 4 June 2026. The match carries a 48% implied probability for Dedura-Palomero's advancement on Polymarket's order book, reflecting near-parity between the two players in current market pricing. Settlement occurs by 11 June 2026, allowing a seven-day window for completion; matches delayed beyond that threshold or cancelled outright resolve to 50-50.
Dedura-Palomero, a Spanish player, and Da Silva, a Brazilian competitor, operate at similar career levels on the professional circuit. Historical ATP and ITF records show that matchups between players of comparable ranking typically settle near 50-50 odds, with the current 48% reading suggesting marginal market confidence in Dedura-Palomero's chances. Recent form, head-to-head records where available, and surface preference on clay courts—Heilbronn's playing surface—have shaped this probability distribution across the order book.
Traders should monitor tournament draws and seeding announcements as the event approaches, along with any injury reports or withdrawal notices from either player in the weeks preceding 4 June. Grass-to-clay transition periods sometimes affect player performance; recent ATP Challenger results and practice-court reports from late May will provide concrete data on current condition. Weather delays remain a secondary risk factor given the settlement window's seven-day buffer.
This market settles from the official outcome published at https://www.atptour.com/en/scores/current. 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 "Heilbronn: Diego Dedura-Palomero vs Joao Lucas Da Silva" are the same as any other PolyGram 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.
$113 in lifetime turnover and $532 of resting liquidity puts this market in the below the median by volume for tennis 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 $113 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.atptour.com/en/scores/current. 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 11 June 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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