Resolution criteria on PolyGram: This market refers to the tennis match between Camila Osorio and Barbora Krejcikova in the Parma, originally scheduled for May 15, 2026 at 4:00AM ET. This market will resolve to 'Camila Osorio' if Camila Osorio advances against Barbora Krejcikova. This market will resolve to 'Barbora Krejcikova' if Barbora Krejcikova advances against Camila Osorio. 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
| Parma: Camila Osorio vs Barbora Krejcikova | 48% YES | 52% NO |
| Completed Match | 50% YES | 50% NO |
| Parma: Camila Osorio vs Barbora Krejcikova Match O/U 21.5 | 51% YES | 50% NO |
| Parma: Camila Osorio vs Barbora Krejcikova Total Sets: O/U 2.5 | 39% YES | 61% NO |
| Parma: Camila Osorio vs Barbora Krejcikova Set 1 Winner | 49% YES | 51% NO |
| Parma: Camila Osorio vs Barbora Krejcikova Match O/U 22.5 | 44% YES | 56% NO |
| Parma: Camila Osorio vs Barbora Krejcikova Set 1 O/U 8.5 | 54% YES | 46% NO |
| Parma: Camila Osorio vs Barbora Krejcikova Match O/U 23.5 | 42% YES | 58% NO |
Camila Osorio faces Barbora Krejcikova in the opening rounds of the Parma WTA tournament, with the match originally scheduled for 15 May 2026. The current order book on Polymarket reflects a 48% implied probability for Osorio's advancement, suggesting near-parity between the two competitors in how traders are pricing the matchup. This probability has formed across the market's liquidity pools as participants weigh the relative strengths of both players heading into the clay-court season.
Krejcikova enters as the more established player on clay, with multiple Grand Slam titles and consistent performances at Roland Garros and other European clay events. Her record against lower-ranked opponents typically favours progression, though her recent form and injury status will be material factors. Osorio, ranked lower but capable of competitive performances on clay, has shown improvement in her game but faces a significant challenge against a former world number one. Historical matchups between players of differing rankings at this stage of WTA tournaments have generally favoured the higher-ranked competitor, though clay surfaces can produce upsets more frequently than hard courts.
Traders should monitor official WTA communications regarding player fitness and any schedule adjustments in the days preceding 15 May. Weather conditions in Parma during May can affect clay-court play, potentially influencing match dynamics. Additionally, any late withdrawals or changes to tournament seeding could shift market expectations. The settlement window extends to 22 May, providing a seven-day buffer for match completion, though delays beyond this trigger a 50-50 resolution.
This market settles from the official outcome published at https://www.wtatennis.com/scores. 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 "Parma: Camila Osorio vs Barbora Krejcikova" 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.
$2K in lifetime turnover and $61K of resting liquidity puts this market in the below the median by volume for tennis contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.
Last 24 hours alone saw $2K in turnover, well above the lifetime daily-average for this market — a clear sign of news catalysing trader activity right now.
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.wtatennis.com/scores. 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 22 May 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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