Resolution criteria on PolyGram: This market refers to the tennis match between Cindy Langlais and Franziska Sziedat in the ITF Women Oliva, originally scheduled for May 30, 2026 at 6:15AM ET. This market will resolve to 'Cindy Langlais' if Cindy Langlais advances against Franziska Sziedat. This market will resolve to 'Franziska Sziedat' if Franziska Sziedat advances against Cindy Langlais. 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
| Completed Match | 100% YES | 0% NO |
| ITF Oliva: Cindy Langlais vs Franziska Sziedat | 0% YES | 100% NO |
Cindy Langlais faces Franziska Sziedat in a Women's ITF match scheduled for 30 May 2026 at the Oliva tournament. The current order book on Polymarket reflects a 100% implied probability for Langlais, indicating the market has priced in a decisive outcome favouring the French player. This extreme probability typically emerges when one competitor holds a substantial ranking advantage or when recent form data strongly favours one side, though such certainty in tennis markets warrants scrutiny given the sport's inherent volatility.
ITF Women's events at this tier feature competitors ranked outside the WTA's top 200, where individual match outcomes can shift considerably based on surface preference, recent tournament results, and head-to-head records. Langlais's positioning at 100% suggests either a significant ranking gap or prior competitive history favouring her advancement. However, ITF tournaments frequently produce upsets, particularly when lower-ranked players compete on clay or grass surfaces where technical strengths can neutralise ranking disparities.
Traders monitoring this market should track any official tournament updates regarding surface conditions, player withdrawals, or schedule changes as the May settlement window approaches. The settlement deadline of 6 June allows a seven-day buffer beyond the scheduled date, meaning delays or postponements would only trigger a 50-50 resolution if no winner emerges within that window. Current pricing leaves minimal margin for contrarian positioning, making any new information regarding player fitness or tournament logistics a potential catalyst for movement.
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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 Oliva: Cindy Langlais vs Franziska Sziedat" 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.
$291 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 6 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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