Resolution criteria on PolyGram: This market refers to the tennis match between Barbora Krejcikova and Anna-Lena Friedsam in the Parma, originally scheduled for May 13, 2026 at 4:00AM ET. This market will resolve to 'Barbora Krejcikova' if Barbora Krejcikova advances against Anna-Lena Friedsam. This market will resolve to 'Anna-Lena Friedsam' if Anna-Lena Friedsam advances against Barbora Krejcikova. 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: Barbora Krejcikova vs Anna-Lena Friedsam | 91% YES | 10% NO |
| Completed Match | 50% YES | 50% NO |
Barbora Krejcikova faces Anna-Lena Friedsam in the opening rounds of the Parma WTA tournament, scheduled for 13 May 2026. The current order book on Polymarket prices Krejcikova's advancement at 91%, reflecting her substantial ranking and surface advantage on clay courts where the Italian event takes place. This probability is being formed by active traders pricing in the disparity between the two competitors' recent form and historical head-to-head records.
Krejcikova's trajectory as a multiple Grand Slam winner and consistent top-10 player provides the foundation for the elevated probability. Friedsam, a German player ranked considerably lower, has limited recent success against top-tier opposition on clay. Historical precedent suggests that when seeded players face unseeded opponents of this calibre differential at WTA 250 events, the favourite advances roughly 85–95% of the time, placing the current 91% within expected parameters for this matchup.
Traders should monitor official tournament draw confirmations and any late withdrawals or injury announcements through to the settlement window closing on 20 May. The original 4:00 AM ET scheduling is unusual and may affect player preparation or broadcast coverage; any rescheduling announcements could shift market sentiment. Weather delays at clay tournaments are routine, though the seven-day buffer in the resolution criteria provides substantial protection against minor postponements. Confirmation of both players' participation in the lead-up to the event remains the primary catalyst that could materially alter current pricing.
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: Barbora Krejcikova vs Anna-Lena Friedsam" 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.
$245 in lifetime turnover and $7K 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.
Last 24 hours alone saw $245 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 20 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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