Resolution criteria on PolyGram: This market refers to the table tennis match between Hina Hayata and Tianer Yu in a WTT event, scheduled for May 2 at 7:00AM ET. This market will resolve to 'Hayata' if Hina Hayata wins against Tianer Yu. This market will resolve to 'Yu' if Tianer Yu wins against Hina Hayata. 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. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
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
| WTT - Women's Singles: Hina Hayata vs Tianer Yu | 50% YES | 50% NO |
Hina Hayata and Tianer Yu are scheduled to compete in a Women's Table Tennis (WTT) singles match on 2 May at 7:00 AM ET. The current order book on Polymarket reflects a 50-50 split, indicating substantial uncertainty amongst traders regarding the outcome. Both players compete at elite levels within professional table tennis, and the even probability distribution suggests the market perceives them as closely matched on current form and available information.
Hayata, the Japanese player, has competed consistently on the WTT circuit and maintains a ranking within the world's top 50. Yu, representing China, similarly operates at a competitive tier where individual match outcomes depend heavily on tactical execution and current physical condition. Historical head-to-head records between players of comparable ranking typically show minimal predictive value for single matches; outcomes often hinge on surface conditions, recent competition schedule, and momentum from preceding tournaments. The 50-50 probability reflects this inherent unpredictability rather than genuine parity in skill.
Traders should monitor WTT official announcements regarding any schedule changes or venue modifications prior to the 2 May fixture. Recent player injury reports or withdrawals from preceding tournaments would signal form concerns. The settlement window extends to 9 May, allowing a seven-day buffer for potential delays, though completion on the scheduled date remains standard for WTT events. Confirmation of both players' participation in the event and absence of last-minute withdrawals will be the primary catalysts affecting market movement in the days immediately preceding the match.
This market settles from the official outcome published at https://www.worldtabletennis.com/. 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 "WTT - Women's Singles: Hina Hayata vs Tianer Yu" are the same as any other PolyGram sporting 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.
As of today, traders on Polymarket price this outcome at 50%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.
Resolution is sourced from https://www.worldtabletennis.com/. 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 9 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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