Resolution criteria on PolyGram: This market refers to the table tennis match between Xialian Ni and Hina Hayata in a WTT event, scheduled for May 6 at 6:10AM ET. This market will resolve to 'Ni' if Xialian Ni wins against Hina Hayata. This market will resolve to 'Hayata' if Hina Hayata wins against Xialian Ni. 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: Xialian Ni vs Hina Hayata | 0% YES | 100% NO |
A Women's Table Tennis (WTT) singles match between Xialian Ni and Hina Hayata is scheduled for 6:10 AM ET on 6 May, with settlement occurring by 13 May. The current order book on Polymarket shows zero implied probability for Ni's victory, reflecting either minimal trading activity or strong consensus backing Hayata. At this stage before the match, such extreme pricing typically indicates either sparse liquidity or that early traders have positioned heavily on one side.
Ni, a Chinese player, and Hayata, a Japanese competitor, operate at different levels of the professional circuit. Hayata has established herself as a consistent performer on the WTT tour with regular top-tier competition experience, whilst Ni's recent form and ranking relative to Hayata will determine the match's technical dynamics. Historical matchups between players of differing circuit prominence often see the higher-ranked or more frequently competing player favoured, which may explain the current market positioning.
Traders should monitor official WTT scheduling confirmations and any player injury announcements in the days preceding the match. Weather or venue changes could affect scheduling, though indoor table tennis is less susceptible to such disruptions than outdoor sports. The settlement window extends seven days beyond the scheduled date, providing buffer for delays, but any cancellation or unfinished match without a decisive result triggers a 50-50 resolution. Early liquidity remains the primary constraint on price discovery for this fixture.
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: Xialian Ni vs Hina Hayata" 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 0%. 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 13 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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