Resolution criteria on PolyGram: This market refers to the tennis match between Harry Wendelken and Frederico Ferreira Silva in the Francavilla, originally scheduled for May 5, 2026 at 8:00AM ET. This market will resolve to 'Harry Wendelken' if Harry Wendelken advances against Frederico Ferreira Silva. This market will resolve to 'Frederico Ferreira Silva' if Frederico Ferreira Silva advances against Harry Wendelken. 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: Harry Wendelken vs Frederico Ferreira Silva Total Sets: O/U 2.5 | 0% YES | 100% NO |
| Francavilla: Harry Wendelken vs Frederico Ferreira Silva Match O/U 21.5 | 0% YES | 100% NO |
| Francavilla: Harry Wendelken vs Frederico Ferreira Silva Match O/U 22.5 | 0% YES | 100% NO |
| Francavilla: Harry Wendelken vs Frederico Ferreira Silva Match O/U 23.5 | 0% YES | 100% NO |
| Francavilla: Harry Wendelken vs Frederico Ferreira Silva Set 1 O/U 8.5 | 100% YES | 0% NO |
| Francavilla: Harry Wendelken vs Frederico Ferreira Silva Set 1 O/U 9.5 | 0% YES | 100% NO |
| Francavilla: Harry Wendelken vs Frederico Ferreira Silva Set 1 O/U 10.5 | 0% YES | 100% NO |
| Francavilla: Harry Wendelken vs Frederico Ferreira Silva Set 1 Winner | 0% YES | 100% NO |
Harry Wendelken faces Frederico Ferreira Silva in a Francavilla tournament match scheduled for 5 May 2026. The 0% implied probability on Polymarket's order book reflects either minimal liquidity at current price levels or strong consensus backing Silva. With settlement occurring 7 days after the scheduled date, the market accommodates potential delays common in lower-tier professional tennis, though cancellations without rescheduling would trigger a 50-50 split.
Wendelken and Silva operate at the ATP Challenger and ITF circuit levels, where head-to-head records and recent form carry substantial weight in match outcomes. Historical patterns on Polymarket for comparable Challenger-tier matches show that 0% probabilities typically indicate either a heavily favoured player or insufficient order book depth at extreme prices. Silva's ranking relative to Wendelken, recent tournament results, and surface preference on clay courts in Francavilla would normally anchor the probability distribution.
Traders should monitor tournament draw confirmations and any withdrawal announcements from either player in the weeks preceding 5 May. Injury reports, recent match results on clay, and weather forecasts closer to the date represent material catalysts. The settlement window's 7-day buffer means a match delayed to 12 May would still resolve to a winner, but any cancellation or indefinite postponement triggers the 50-50 outcome. Current pricing suggests the market has already priced in available information, though liquidity constraints may be suppressing Wendelken's implied probability below its fundamental level.
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: Harry Wendelken vs Frederico Ferreira 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.
$42K 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 12 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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