Resolution criteria on PolyGram: This market refers to the tennis match between Pedro Andre De Almeida Santos and Joao Victor Couto Loureiro in the ITF Men Maringa, originally scheduled for May 13, 2026 at 3:00PM ET. This market will resolve to 'Pedro Andre De Almeida Santos' if Pedro Andre De Almeida Santos advances against Joao Victor Couto Loureiro. This market will resolve to 'Joao Victor Couto Loureiro' if Joao Victor Couto Loureiro advances against Pedro Andre De Almeida Santos. 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 Maringa: Pedro Andre De Almeida Santos vs Joao Victor Couto Loureiro | 100% YES | 0% NO |
| Completed Match | 100% YES | 0% NO |
Pedro Andre De Almeida Santos faces Joao Victor Couto Loureiro in an ITF Men's tournament match scheduled for 13 May 2026 at the Maringa venue. The current order book on Polymarket reflects a 100% implied probability for Santos, suggesting traders are pricing in either a strong conviction regarding his advancement or minimal uncertainty about match completion. This extreme probability typically emerges when one player holds a substantial ranking advantage, recent form differential, or when the market has absorbed limited liquidity at alternative price levels.
ITF Men's circuit matches at this level show considerable variance in outcomes, particularly when both players operate within similar ranking bands. Historical data from comparable ITF tournaments indicates that matches with such lopsided probability distributions often reflect incomplete information rather than genuine certainty—factors including recent injury status, surface-specific performance records, and head-to-head history frequently shift probabilities materially once traders access updated player data. The settlement window extends to 20 May 2026, providing a week beyond the scheduled date for match completion.
Key catalysts for probability movement include official confirmation of player participation closer to the event date, any withdrawal announcements, and surface conditions at the Maringa facility. Traders should monitor ITF rankings updates and recent tournament results for both players in the weeks preceding 13 May, as these typically drive repricing in markets with thin initial liquidity. Match cancellation or postponement beyond 7 days triggers alternative settlement conditions, creating tail-risk considerations for positions held at extreme probability levels.
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 Maringa: Pedro Andre De Almeida Santos vs Joao Victor Couto Loureiro" 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.
$3K 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.
Last 24 hours alone saw $3K 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.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 20 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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