Resolution criteria on PolyGram: This market refers to the tennis match between Yanan Hou and Kyoka Okamura in the ITF Women Wuning, originally scheduled for June 2, 2026 at 10:00PM ET. This market will resolve to 'Yanan Hou' if Yanan Hou advances against Kyoka Okamura. This market will resolve to 'Kyoka Okamura' if Kyoka Okamura advances against Yanan Hou. 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
| ITF Wuning: Yanan Hou vs Kyoka Okamura | 13% YES | 88% NO |
| Completed Match | 50% YES | 50% NO |
Yanan Hou and Kyoka Okamura are scheduled to meet in the ITF Women's tournament at Wuning on 2 June 2026. The current order book on Polymarket prices Hou's advancement at 13%, reflecting a substantial underdog position. This valuation emerges from real-time trading activity and reflects the collective assessment of backers and layers on the platform, with the spread between bid and ask prices narrowing as settlement approaches on 10 June.
Hou, a Chinese player competing primarily on the ITF circuit, faces Okamura, a Japanese competitor with comparable ranking trajectories on the lower-tier professional tour. Historical ITF matchups between players of similar ranking bands typically show favourites priced between 55–70% when seeding differentials are modest. The 13% probability assigned to Hou suggests either a notable ranking or recent-form advantage for Okamura, or that the market has incorporated specific head-to-head data or surface considerations favouring the Japanese player.
Traders should monitor tournament draw confirmations and any late withdrawals through the ITF's official scheduling updates, which typically finalise 48 hours before play. Surface conditions at Wuning—clay courts are standard for Chinese ITF events—may influence performance expectations, particularly if either player has documented clay-court form disparities. Injury announcements or late scratches would trigger immediate repricing; the seven-day grace period for delayed matches creates settlement ambiguity that could affect position management as the window closes.
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 Wuning: Yanan Hou vs Kyoka Okamura" 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.
$35 in lifetime turnover and $3K 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 $35 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.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 10 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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