Resolution criteria on PolyGram: This market refers to the tennis match between Ryeong Gyeong Park and Shiyu Ye in the ITF Women Luan, originally scheduled for May 13, 2026 at 10:00PM ET. This market will resolve to 'Ryeong Gyeong Park' if Ryeong Gyeong Park advances against Shiyu Ye. This market will resolve to 'Shiyu Ye' if Shiyu Ye advances against Ryeong Gyeong Park. 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 Luan: Ryeong Gyeong Park vs Shiyu Ye | 10% YES | 91% NO |
| Completed Match | 50% YES | 51% NO |
Ryeong Gyeong Park and Shiyu Ye are scheduled to meet in the ITF Women's Luan tournament on 13 May 2026. The current order book on Polymarket prices Park's advancement at 10%, implying Ye is heavily favoured at 90%. This probability reflects either a substantial disparity in player form and ranking, or limited liquidity in the market creating a wide bid-ask spread that skews the implied odds.
ITF Women's tournaments typically feature players ranked outside the WTA top 200, with outcomes sensitive to recent match fitness, surface preference and head-to-head records. Park and Ye's relative seeding in the Luan draw, their recent ITF results, and any injury or withdrawal patterns in the weeks preceding the event will inform whether the 10% probability reflects genuine expectation or market inefficiency. Comparable lower-tier ITF matches often see probability shifts of 15–25 percentage points once draw confirmation and player form updates emerge closer to the event date.
Traders should monitor ITF official announcements regarding draw confirmation, any player withdrawals or schedule changes, and social media activity from both players indicating training status. The settlement window extends to 21 May, allowing seven days beyond the scheduled date for the match to conclude. Early movement in the order book typically occurs once the draw is published and betting syndicates price in recent tournament results from both players.
The ITF rankings are the current rankings of national teams by the International Tennis Federation in both men's and women's tennis. The ITF also produces the ITF Davis Cup Nations Ranking for male national teams and the ITF Fed Cup Nations Ranking for female national teams. Both measure the success of all nations participating in both competitions.
The ITF junior circuit is the premier level for worldwide competition among under-18 junior tennis players, organized by the International Tennis Federation. Founded in 1977 with only nine tournaments, the 2011 ITF Junior Circuit offered over 350 tournaments in 118 countries. Mirroring the ATP and WTA circuits, the ITF junior circuit ranks players and crowns
The ITS launch vehicle was a 2016–2017 design for a privately funded very large 12-meter (39 ft)-diameter orbital launch vehicle planned to be developed by SpaceX. Design work was discontinued in 2017 when development was shifted to a smaller 9-meter version with approximately one-third the payload capability, announced under the project name BFR, and subseq
The ITF Junior Finals is a year-end singles tournament for the top-ranked 18-and-under tennis players on the ITF Junior Circuit. It is the second most prestigious annual junior event in terms of rankings points awarded, after the four junior grand slams. Each year, eight boys and eight girls participate in separate events. The tournament is designed to emula
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 Luan: Ryeong Gyeong Park vs Shiyu Ye" 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.
$0 in lifetime turnover and $136 of resting liquidity puts this market in the below the median by volume for sports 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 21 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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