Resolution criteria on PolyGram: This market refers to the tennis match between Luisina Giovannini and Guiomar Maristany Zuleta De Reales in the ITF Women Tauste-Zaragoza, originally scheduled for May 27, 2026 at 4:00AM ET. This market will resolve to 'Luisina Giovannini' if Luisina Giovannini advances against Guiomar Maristany Zuleta De Reales. This market will resolve to 'Guiomar Maristany Zuleta De Reales' if Guiomar Maristany Zuleta De Reales advances against Luisina Giovannini. 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 Tauste-Zaragoza: Luisina Giovannini vs Guiomar Maristany Zuleta De Reales | 50% YES | 50% NO |
| Completed Match | 0% YES | 100% NO |
Luisina Giovannini and Guiomar Maristany Zuleta De Reales are scheduled to compete in the ITF Women's tournament at Tauste-Zaragoza on 27 May 2026. The match represents a lower-tier professional tennis fixture on the ITF circuit, where both players typically compete for ranking points and prize money. The settlement window closes on 3 June 2026, allowing a six-day window for the match to be completed and a winner determined.
The current 50% implied probability on Polymarket's order book reflects genuine uncertainty between two players with comparable recent form. Giovannini, an Argentine player, and Maristany Zuleta De Reales, a Venezuelan competitor, operate at similar levels within the ITF Women's rankings structure. Historical ITF matchups between players of equivalent ranking typically settle near even odds unless one player holds a documented head-to-head advantage or recent momentum shift. The absence of a clear favourite in the order book suggests limited historical data or recent meetings between these competitors.
Traders should monitor ITF tournament scheduling confirmations as the May date approaches, as lower-tier events occasionally face postponements or venue changes. Player injury announcements or withdrawal notices would trigger immediate repricing. Additionally, any recent results from either player on the ITF circuit in the weeks preceding the match could shift the probability if one demonstrates significantly improved form. The six-day settlement window provides reasonable buffer for match completion, though weather delays at Spanish venues remain a minor consideration for resolution timing.
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 Tauste-Zaragoza: Luisina Giovannini vs Guiomar Maristany Zuleta De Reales" 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.
$4K 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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