Resolution criteria on PolyGram: This market refers to the tennis match between Karla Popovic and Maria Oliver Sanchez in the ITF Women Monastir, originally scheduled for May 29, 2026 at 5:00AM ET. This market will resolve to 'Karla Popovic' if Karla Popovic advances against Maria Oliver Sanchez. This market will resolve to 'Maria Oliver Sanchez' if Maria Oliver Sanchez advances against Karla Popovic. 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 Monastir: Karla Popovic vs Maria Oliver Sanchez | 0% YES | 100% NO |
| Completed Match | 0% YES | 100% NO |
Karla Popovic and Maria Oliver Sanchez are scheduled to compete in the ITF Women's circuit event at Monastir on 29 May 2026. The current order book on Polymarket shows zero probability assigned to Popovic advancing, suggesting either minimal trading activity or strong conviction toward Oliver Sanchez. ITF tournaments at this tier typically attract modest liquidity, and such extreme probabilities often reflect thin markets rather than definitive information about player strength.
Popovic, a Serbian player, and Oliver Sanchez, competing from Spain, operate within the ITF Women's 15K and 25K circuit where rankings and form data fluctuate considerably. Historical ITF matchups at Monastir show competitive depth across seedings, with upsets occurring regularly when lower-ranked players face off. The 0% probability for Popovic suggests the market may be overweighting recent results or head-to-head records without accounting for surface conditions, recent injury status, or tournament-specific preparation.
Traders should monitor official ITF and WTA Tour announcements regarding player withdrawals or schedule changes through early June. Confirmation of both players' participation closer to the event date will be critical, as ITF tournaments see late withdrawals. The settlement window extends to 5 June, allowing seven days beyond the scheduled date for completion. Any announcement regarding surface conditions at Monastir or last-minute player fitness issues could shift the current extreme pricing, though the thin liquidity suggests large orders would move the market substantially.
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 Monastir: Karla Popovic vs Maria Oliver Sanchez" 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.
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 5 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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