Resolution criteria on PolyGram: This market refers to the tennis match between Max Schoenhaus and Luca Van Assche in the Hamburg European Open, Qualification, originally scheduled for May 16, 2026 at 5:00AM ET. This market will resolve to 'Max Schoenhaus' if Max Schoenhaus advances against Luca Van Assche. This market will resolve to 'Luca Van Assche' if Luca Van Assche advances against Max Schoenhaus. 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.
Real-money prediction markets aggregate live odds from thousands of traders, surfacing a sharper probability than any single forecast. Odds will populate live once the order book fills with 6 days to resolution, well inside the window where catalysts move price most.
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
| Hamburg European Open, Qualification: Max Schoenhaus vs Luca Van Assche Match O/U 21.5 | 0% YES | 100% NO |
| Hamburg European Open, Qualification: Max Schoenhaus vs Luca Van Assche Match O/U 22.5 | 0% YES | 100% NO |
| Hamburg European Open, Qualification: Max Schoenhaus vs Luca Van Assche Match O/U 23.5 | 0% YES | 100% NO |
| Hamburg European Open, Qualification: Max Schoenhaus vs Luca Van Assche Set 1 O/U 8.5 | 100% YES | 0% NO |
| Hamburg European Open, Qualification: Max Schoenhaus vs Luca Van Assche Set 1 O/U 9.5 | 0% YES | 100% NO |
| Hamburg European Open, Qualification: Max Schoenhaus vs Luca Van Assche Set 1 O/U 10.5 | 0% YES | 100% NO |
| Hamburg European Open, Qualification: Max Schoenhaus vs Luca Van Assche Set 1 Winner | 100% YES | 0% NO |
| Hamburg European Open, Qualification: Max Schoenhaus vs Luca Van Assche Set Handicap +/-1.5 | 0% YES | 100% NO |
Max Schoenhaus is due to face Luca Van Assche in Hamburg qualifying, with the market currently showing 0% YES on Polymarket. That does not mean the matchup is considered impossible; it usually means the order book has not attracted active bids on Schoenhaus, so the displayed price is being formed by thin liquidity rather than a broad consensus. In tennis qualification markets, especially for lower-profile matches, zero or near-zero prices can persist until there is fresh trading, line-up confirmation, or the contest begins and the book is repriced around live information.
On paper, the ranking gap is the main reference point: Flashscore lists Schoenhaus around ATP 472 and Van Assche around ATP 97, while preview sites describe Van Assche as the favourite, with several projecting a straight-sets win. Comparable clay qualifying matches with a sizeable ranking difference typically settle quickly if the favourite serves well and avoids an extended baseline grind. The key read-through is that the current probability reflects both the mismatch and the absence of buyers on Schoenhaus, not a settled view that the underdog cannot win.
The main catalysts are straightforward: whether the ATP and tournament channels confirm the match as scheduled, whether either player withdraws or is replaced, and whether the fixture is played at all before the 7-day deadline that would force a 50-50 result if unresolved. ATP Tour stats and live-score services list the match, but the practical trigger for Polymarket is the official outcome or a credible consensus if official stats lag. For traders, the important dependency is not just who is favoured, but whether the event actually starts and reaches a completed result within the settlement window.
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.
For this market, the resolution date is 23 May 2026. A UMA proposer can submit the outcome from that moment; the two-hour dispute window closes at , and assuming no counter-claim is staked, winning USDC clears to trader balances by approximately .
If a dispute is filed inside the two-hour window, the outcome escalates to UMA token-holder voting, which extends settlement by roughly 48 hours. Disputed resolutions are rare — fewer than 0.5% of PolyGram markets in 2026 to date — and even rarer for events with clear, verifiable resolution sources.
Funds clear directly to your in-app USDC balance on Polygon. From there, withdrawals are non-custodial: send to any address you control, typical confirmation under 30 seconds, gas paid in USDC if you'd rather not hold MATIC.
Minimum order size on PolyGram is $1.00, with no maximum cap aside from available book depth. Orders route into Polymarket's on-chain CLOB on Polygon; the matching engine pairs YES buyers with NO buyers atomically — every executed trade is settled on-chain with no counterparty risk.
The trade ticket includes a slippage box (default 2%, configurable 0.1%-10%) that caps the worst-case entry price. Your maximum loss is your stake — winning YES (or NO) shares pay $1.00 each at resolution. Your slippage tolerance and the depth of resting limit orders determine the actual fill.
PolyGram charges 0% house edge — no spread mark-up, no rake on winnings, no withdrawal fees beyond network gas. The platform earns exclusively from optional features (copy-trade boosts, advanced order types, the yield vault on idle USDC); the trading surface itself is at-cost.
The mechanics for trading "Hamburg European Open, Qualification: Max Schoenhaus vs Luca Van Assche" 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.
$114K in lifetime turnover and $0 of resting liquidity puts this market in the top 30% 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 $114K 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 23 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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