Resolution criteria on PolyGram: This market refers to the tennis match between Yuriko Lily Miyazaki and Mio Mushika in the ITF Women Kurume, originally scheduled for May 13, 2026 at 9:00PM ET. This market will resolve to 'Yuriko Lily Miyazaki' if Yuriko Lily Miyazaki advances against Mio Mushika. This market will resolve to 'Mio Mushika' if Mio Mushika advances against Yuriko Lily Miyazaki. 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 Kurume: Yuriko Lily Miyazaki vs Mio Mushika | 1% YES | 99% NO |
| Completed Match | 51% YES | 49% NO |
Yuriko Lily Miyazaki and Mio Mushika are scheduled to compete in the ITF Women's tournament at Kurume on 13 May 2026. The current order book on Polymarket reflects a 48% implied probability for Miyazaki's advancement, suggesting near-parity in market expectations. The settlement window closes on 21 May, allowing a seven-day buffer beyond the scheduled match date for completion or resolution.
Both players operate within the ITF circuit, where match outcomes depend heavily on recent form, surface adaptation, and head-to-head records. Miyazaki and Mushika's prior encounters, if any exist, would typically anchor baseline expectations for traders familiar with Japanese domestic tennis rankings. The clay surface at Kurume historically favours players with strong baseline consistency and movement patterns. Comparable ITF women's matches at this tier show volatility in betting markets when players lack extensive professional records or recent tournament visibility.
Traders should monitor official ITF tournament announcements for any schedule changes, player withdrawals, or surface condition updates in the week preceding 13 May. Japanese domestic tennis news sources and the ITF's official draw sheets will confirm final participant status. Weather disruptions during the Golden Week period in Japan could affect match timing, potentially triggering the seven-day delay clause. Any late withdrawal or injury announcement would likely shift the order book significantly, as replacement draws or walkovers carry different resolution mechanics under the market's stated terms.
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 Kurume: Yuriko Lily Miyazaki vs Mio Mushika" 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.
$2K in lifetime turnover and $46K of resting liquidity puts this market in the below the median by volume for tennis contracts on PolyGram. Order-book depth is strong — order books support five-figure trades with single-cent slippage.
Last 24 hours alone saw $2K 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 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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