Resolution criteria on PolyGram: This market refers to the tennis match between Raquel Caballero Chica and Cindy Langlais in the ITF Women Oliva, originally scheduled for May 29, 2026 at 8:00AM ET. This market will resolve to 'Raquel Caballero Chica' if Raquel Caballero Chica advances against Cindy Langlais. This market will resolve to 'Cindy Langlais' if Cindy Langlais advances against Raquel Caballero Chica. 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 Oliva: Raquel Caballero Chica vs Cindy Langlais | 0% YES | 100% NO |
| Completed Match | 100% YES | 0% NO |
Raquel Caballero Chica will face Cindy Langlais in the ITF Women's tournament at Oliva, scheduled for 29 May 2026. The match is a first-round encounter in what appears to be a lower-tier ITF event. The current order book on Polymarket shows zero probability assigned to Caballero Chica's advancement, suggesting either minimal trading activity or strong conviction amongst early traders that Langlais will prevail. With the settlement window closing 5 June 2026, there remains approximately one week for the match to be played and resolved.
ITF Women's events at this level typically feature players ranked outside the WTA's top 200, often competing for ranking points and prize money in the €25,000 to €100,000 bracket. Historical context matters here: Caballero Chica, a Spanish player, and Langlais, Canadian, represent the type of journeyman professionals who populate these tournaments. The zero probability reading likely reflects either a significant disparity in recent form or head-to-head record, though such granular data is often sparse for players at this ranking tier.
Traders should monitor ITF's official draw confirmations and any withdrawal announcements, which can shift probabilities sharply. Weather conditions in Oliva during late May occasionally affect scheduling. The seven-day grace period for delayed matches provides some buffer, but any cancellation or postponement beyond that triggers a 50-50 resolution. Current pricing suggests limited liquidity; meaningful position-taking may 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 Oliva: Raquel Caballero Chica vs Cindy Langlais" 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.
$251 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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