Resolution criteria on PolyGram: This market refers to the tennis match between Shannon Lam and Yleymi Lugiana Muelle Valdez in the ITF Women Ontinyent, originally scheduled for June 2, 2026 at 8:00AM ET. This market will resolve to 'Shannon Lam' if Shannon Lam advances against Yleymi Lugiana Muelle Valdez. This market will resolve to 'Yleymi Lugiana Muelle Valdez' if Yleymi Lugiana Muelle Valdez advances against Shannon Lam. 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 Ontinyent: Shannon Lam vs Yleymi Lugiana Muelle Valdez | 100% YES | 0% NO |
| Completed Match | 100% YES | 0% NO |
Shannon Lam faces Yleymi Lugiana Muelle Valdez in the ITF Women's tournament at Ontinyent, scheduled for 2 June 2026. The 84% implied probability on Polymarket's order book reflects a substantial backing of Lam to advance from this match. The settlement window closes on 9 June, allowing a seven-day buffer beyond the original fixture date for the match to conclude with a definitive result.
ITF Women's tournaments at this tier typically feature competitors ranked between 400 and 800 globally, with outcomes heavily influenced by recent form and surface-specific performance. Lam's current probability suggests traders perceive a significant skill or form advantage, though ITF matches remain inherently volatile given the variable quality of opposition and limited historical data on head-to-head records at this level. Comparable ITF events show that favourites at 80%+ probability do advance roughly 75–80% of the time, though upsets occur regularly enough to merit consideration.
Key variables for traders monitoring this position include any injury announcements or withdrawal notices in the lead-up to 2 June, which would trigger the 50-50 resolution clause. Weather disruptions at the Ontinyent venue could delay proceedings, though the seven-day grace period provides substantial cushion. Tournament draw confirmations and recent ITF results for both players—particularly Lam's performance on clay courts—will likely shift the order book in the final days before play.
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 Ontinyent: Shannon Lam vs Yleymi Lugiana Muelle Valdez" 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.
$688 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 $365 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 9 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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