Resolution criteria on PolyGram: This market refers to the tennis match between Giulia Safina Popa and Melinda Biro in the ITF Women Szentendre, originally scheduled for May 27, 2026 at 6:15AM ET. This market will resolve to 'Giulia Safina Popa' if Giulia Safina Popa advances against Melinda Biro. This market will resolve to 'Melinda Biro' if Melinda Biro advances against Giulia Safina Popa. 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
| ITF Szentendre: Giulia Safina Popa vs Melinda Biro | 100% YES | 0% NO |
| Completed Match | 100% YES | 0% NO |
Giulia Safina Popa faces Melinda Biro in the ITF Women's tournament at Szentendre, Hungary, scheduled for 27 May 2026. The current order book on Polymarket reflects a 100% implied probability for Popa's advancement, indicating traders are pricing this as a near-certainty outcome. This extreme probability typically emerges when one competitor holds a decisive advantage in ranking, recent form, or head-to-head record that the market has fully priced in.
ITF Women's events at this level frequently feature significant disparities in player development and ranking. Popa, competing on the professional circuit, would typically carry substantial odds against a lower-ranked or less experienced opponent. The settlement window extends to 3 June 2026, providing a five-day buffer beyond the scheduled match date to account for potential delays or weather disruptions common at European clay-court tournaments during late May.
Traders monitoring this market should track any late withdrawals or injury announcements from either player in the days preceding the match, as ITF tournaments occasionally see last-minute scratches. Court conditions at Szentendre's clay surface and weather forecasts for the Budapest region warrant attention, particularly given the early morning scheduling at 6:15 AM ET. Any announcement of a walkover or match postponement beyond the seven-day threshold would trigger the 50-50 resolution clause, fundamentally altering the current pricing structure.
This market settles from the official outcome published at https://www.itftennis.com/en/tournament-calendar/. 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 "ITF Szentendre: Giulia Safina Popa vs Melinda Biro" 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.
$829 in lifetime turnover and $0 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.
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.itftennis.com/en/tournament-calendar/. 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 3 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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