Resolution criteria on PolyGram: This market refers to the tennis match between Gustavo Heide and Martin Krumich in the Francavilla, originally scheduled for May 8, 2026 at 5:00AM ET. This market will resolve to 'Gustavo Heide' if Gustavo Heide advances against Martin Krumich. This market will resolve to 'Martin Krumich' if Martin Krumich advances against Gustavo Heide. 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
| Francavilla: Gustavo Heide vs Martin Krumich | 100% YES | 0% NO |
| Francavilla: Gustavo Heide vs Martin Krumich Set 1 Winner | 100% YES | 0% NO |
| Francavilla: Gustavo Heide vs Martin Krumich Total Sets: O/U 2.5 | 0% YES | 100% NO |
| Francavilla: Gustavo Heide vs Martin Krumich Match O/U 21.5 | 0% YES | 100% NO |
| Francavilla: Gustavo Heide vs Martin Krumich Set 1 O/U 8.5 | 100% YES | 0% NO |
| Francavilla: Gustavo Heide vs Martin Krumich Match O/U 22.5 | 0% YES | 100% NO |
| Francavilla: Gustavo Heide vs Martin Krumich Set 1 O/U 9.5 | 100% YES | 0% NO |
| Francavilla: Gustavo Heide vs Martin Krumich Match O/U 23.5 | 0% YES | 100% NO |
Gustavo Heide and Martin Krumich are scheduled to meet in a tennis match at the Francavilla event on 8 May 2026. The current order book on Polymarket reflects a 100% implied probability for Heide's advancement, indicating either overwhelming confidence in his superiority or minimal liquidity at the current price. This extreme probability typically signals either a significant disparity in ranking or recent form, or that traders have not yet committed capital to test the market depth at these odds.
Heide and Krumich operate within the professional tennis circuit where ranking points, recent tournament results, and head-to-head records form the basis for probability assessment. Historical precedent shows that matches between players with substantial ranking gaps rarely settle at extreme probabilities unless one competitor has withdrawn or injury reports emerge. The settlement window extends to 15 May 2026, allowing seven days beyond the scheduled date for completion; matches abandoned or delayed beyond this window resolve to 50-50, creating a tail risk that traders should factor into position sizing.
Key catalysts include official confirmation of both players' participation, any injury announcements in the days preceding the match, and surface conditions at Francavilla, which may favour one player's style. Tournament scheduling changes or weather disruptions could trigger the delayed-match clause. Traders should monitor ATP or relevant tour communications for withdrawal notices, as these would immediately alter the resolution path and potentially trigger early settlement discussions on the order book.
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 "Francavilla: Gustavo Heide vs Martin Krumich" 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.
$32K in lifetime turnover and $0 of resting liquidity puts this market in the around 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.
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 15 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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