Resolution criteria on PolyGram: This market refers to the tennis match between Despina Papamichail and Laura Hietaranta in the ITF Women Kursumlijska Banja, originally scheduled for May 27, 2026 at 4:00AM ET. This market will resolve to 'Despina Papamichail' if Despina Papamichail advances against Laura Hietaranta. This market will resolve to 'Laura Hietaranta' if Laura Hietaranta advances against Despina Papamichail. 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 Kursumlijska Banja: Despina Papamichail vs Laura Hietaranta | 100% YES | 0% NO |
| Completed Match | 100% YES | 0% NO |
Despina Papamichail faces Laura Hietaranta in the ITF Women's tournament at Kursumlijska Banja, scheduled for 27 May 2026. The match is set for 4:00 AM ET, with settlement occurring by 3 June 2026. The current order book on Polymarket shows the market priced at 100% implied probability for Papamichail, indicating traders are assigning near-certain odds to her advancement. This extreme pricing typically reflects either strong conviction about the matchup or limited liquidity in the order book, where even modest positions can move the probability to extremes.
Papamichail, a Greek player competing on the ITF circuit, has competed across various lower-tier tournaments with mixed results typical of players developing their ranking. Hietaranta, a Finnish competitor, similarly operates within the ITF system. Historical ITF matches at this level show considerable variance in outcomes, with seeding, recent form, and surface conditions substantially influencing results. A 100% probability assigned to either player in an ITF Women's match is unusual and suggests either incomplete market participation or information asymmetry among traders.
Key variables for traders monitoring this market include confirmation of both players' participation as the tournament date approaches, any last-minute withdrawals or illness, and surface conditions at the Serbian venue. The seven-day delay clause means matches postponed beyond 4 June without completion would trigger a 50-50 resolution. ITF scheduling changes occur frequently, particularly for lower-ranked events, making fixture confirmation essential before settlement.
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 Kursumlijska Banja: Despina Papamichail vs Laura Hietaranta" 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.
$491 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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