Resolution criteria on PolyGram: This market refers to the tennis match between Sidney Emanuel Meneguetti and Ezequiel Monferrer in the ITF Men Maringa, originally scheduled for May 13, 2026 at 7:15PM ET. This market will resolve to 'Sidney Emanuel Meneguetti' if Sidney Emanuel Meneguetti advances against Ezequiel Monferrer. This market will resolve to 'Ezequiel Monferrer' if Ezequiel Monferrer advances against Sidney Emanuel Meneguetti. 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: Sidney Emanuel Meneguetti vs Ezequiel Monferrer | 1% YES | 99% NO |
| Completed Match | 50% YES | 50% NO |
Sidney Emanuel Meneguetti, a Brazilian ITF competitor, faces Ezequiel Monferrer in the ITF Men's tournament at Maringa, originally scheduled for 13 May 2026. The current order book on Polymarket reflects a 1% implied probability for Meneguetti's advancement, suggesting the market perceives Monferrer as a substantial favourite. This pricing emerges from real-time trading activity where participants are pricing the match outcome based on available information about both players' recent form, rankings, and head-to-head records.
ITF Men's circuit matches at lower-tier tournaments frequently see significant probability disparities when one player holds a clear ranking advantage or recent momentum. Historical patterns show that when implied probabilities fall below 5% for any competitor in such fixtures, the pricing typically reflects either a substantial ranking gap or recent performance differential. Monferrer's favoured status aligns with standard market behaviour where the lower-ranked or less-established player receives minimal probability allocation, though upsets do occur at roughly 10-15% of the time in comparable scenarios.
Traders should monitor tournament draw confirmations and any late withdrawals through official ITF channels, as the settlement window extends to 20 May 2026—allowing a seven-day buffer beyond the scheduled date. Court surface conditions at Maringa and any last-minute fitness concerns for either player could shift the order book, though such information typically surfaces only days before play. The match's position within the tournament bracket may also influence liquidity and probability adjustments as the event approaches.
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: Sidney Emanuel Meneguetti vs Ezequiel Monferrer" are the same as any other PolyGram sporting 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.
$53 in lifetime turnover and $42K of resting liquidity puts this market in the below the median by volume for sports contracts on PolyGram. Order-book depth is strong — order books support five-figure trades with single-cent slippage.
Last 24 hours alone saw $53 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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