Resolution criteria on PolyGram: This market refers to the tennis match between Maria Kalyakina and Hina Inoue in the ITF Women Wuning, originally scheduled for May 26, 2026 at 10:00PM ET. This market will resolve to 'Maria Kalyakina' if Maria Kalyakina advances against Hina Inoue. This market will resolve to 'Hina Inoue' if Hina Inoue advances against Maria Kalyakina. 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: Maria Kalyakina vs Hina Inoue | 0% YES | 100% NO |
| Completed Match | 100% YES | 0% NO |
Maria Kalyakina and Hina Inoue are scheduled to compete in the ITF Women's tournament at Wuning on 26 May 2026. The match represents a lower-tier professional fixture within the International Tennis Federation circuit, where both players typically compete for ranking points and prize money. The 0% implied probability currently reflected on Polymarket's order book suggests either minimal liquidity in the market or a strong consensus view among traders that one outcome is overwhelmingly favoured, though the specific reasoning behind this pricing requires examination of recent form and head-to-head records.
ITF Women's matches at this level historically show volatile outcomes, with ranking disparities often less predictive than ATP or WTA main tour fixtures. Kalyakina, a Russian player, and Inoue, a Japanese competitor, operate in a tier where surface conditions, recent match fitness, and travel schedules carry outsized influence. The absence of substantial pre-match trading activity—evidenced by the extreme probability—may reflect limited trader interest in lower-ranked fixtures or uncertainty about whether both players will confirm participation before the 26 May date.
Traders monitoring this market should track official ITF tournament confirmations and any withdrawal announcements in the weeks preceding the match. Surface type at Wuning and recent tournament results for both players will become material as the settlement window approaches. The 7-day delay clause creates additional settlement risk; matches abandoned or suspended beyond that threshold resolve to 50-50, introducing tail-risk considerations for positions held through the scheduled date.
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: Maria Kalyakina vs Hina Inoue" 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 3 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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