Resolution criteria on PolyGram: This market refers to the tennis match between Mayu Crossley and Kallista Liu in the ITF Women Lakewood, originally scheduled for May 29, 2026 at 1:00PM ET. This market will resolve to 'Mayu Crossley' if Mayu Crossley advances against Kallista Liu. This market will resolve to 'Kallista Liu' if Kallista Liu advances against Mayu Crossley. 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 Lakewood: Mayu Crossley vs Kallista Liu | 100% YES | 0% NO |
| Completed Match | 100% YES | 0% NO |
Mayu Crossley faces Kallista Liu in an ITF Women's event at Lakewood, originally scheduled for 29 May 2026 at 1:00 PM ET. The current order book on Polymarket reflects a 100% implied probability for Crossley's advancement, indicating the market has priced in either a strong expectation of her victory or, more likely given the extreme skew, material uncertainty about match completion itself. The settlement window closes 5 June 2026 at 17:00 UTC, allowing a seven-day buffer beyond the scheduled date for the match to conclude.
ITF Women's matches at this level carry historical completion rates above 95%, though cancellations and walkovers do occur, particularly in spring scheduling when weather and player availability fluctuate. The extreme probability reading—rather than a more typical 60–75% range for a favoured player—suggests traders are either heavily weighted toward Crossley's ranking advantage or are hedging against match non-completion as the primary resolution risk. Comparable ITF events show that matches delayed beyond 48 hours often face rescheduling complications.
Key catalysts include official confirmation of the match proceeding as scheduled, any player injury announcements in the week prior, and weather forecasts for Lakewood on 29 May. ITF scheduling updates typically appear on the WTA's official site and the tournament's draw page. A withdrawal or postponement announcement would likely trigger rapid repricing toward the 50-50 tie resolution threshold, making early-week confirmations critical for position management.
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 Lakewood: Mayu Crossley vs Kallista Liu" 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.
$1K 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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