Resolution criteria on PolyGram: This market refers to the tennis match between Julia Garcia Ruiz and Clervie Ngounoue in the ITF Women Wichita, originally scheduled for May 28, 2026 at 3:00PM ET. This market will resolve to 'Julia Garcia Ruiz' if Julia Garcia Ruiz advances against Clervie Ngounoue. This market will resolve to 'Clervie Ngounoue' if Clervie Ngounoue advances against Julia Garcia Ruiz. 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 Wichita: Julia Garcia Ruiz vs Clervie Ngounoue | 0% YES | 100% NO |
| Completed Match | 100% YES | 0% NO |
Julia Garcia Ruiz and Clervie Ngounoue are scheduled to compete in the ITF Women's tournament in Wichita on 28 May 2026. The market currently reflects a 0% implied probability for Garcia Ruiz advancing, suggesting the order book on Polymarket is pricing her as a prohibitive underdog or that minimal liquidity exists at present price levels. Settlement occurs on 4 June 2026, allowing a seven-day window beyond the scheduled match date for completion.
Garcia Ruiz, a Spanish player competing primarily on the ITF circuit, faces Ngounoue, a Cameroonian-American competitor with established WTA ranking history. The 0% probability on Polymarket's order book likely reflects Ngounoue's superior ranking and recent form rather than any fundamental impossibility of Garcia Ruiz winning. ITF matches at this level frequently produce upsets, particularly in early rounds where ranking disparities can be misleading. Comparable ITF tournaments show that lower-ranked players win approximately 15–25% of matches against higher-ranked opponents, depending on the specific ranking gap and surface conditions.
Traders should monitor official ITF and tournament announcements for any schedule changes, withdrawals, or surface conditions that might affect play. Wichita's outdoor hard courts in late May typically favour aggressive baseline players. Any injury updates or late withdrawals from either competitor in the days preceding 28 May would materially shift market pricing. The settlement window's seven-day extension clause is relevant; weather delays are not uncommon in May, and traders should track forecasts as the match date 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 Wichita: Julia Garcia Ruiz vs Clervie Ngounoue" 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.
$101 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 4 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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