Resolution criteria on PolyGram: This market refers to the tennis match between Minami Suzuki and Lisa Kamigata in the ITF Women Toyama, originally scheduled for May 13, 2026 at 9:00PM ET. This market will resolve to 'Minami Suzuki' if Minami Suzuki advances against Lisa Kamigata. This market will resolve to 'Lisa Kamigata' if Lisa Kamigata advances against Minami Suzuki. 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 Toyama: Minami Suzuki vs Lisa Kamigata | 48% YES | 53% NO |
| Completed Match | 50% YES | 50% NO |
Minami Suzuki and Lisa Kamigata are scheduled to meet in the ITF Women's Toyama tournament on 13 May 2026. The match carries a 52% implied probability for Suzuki's advancement on Polymarket's order book, reflecting near-parity in market expectations. Settlement occurs on 21 May 2026, allowing an eight-day window for the match to conclude and be officially recorded.
Both players compete on the ITF Women's circuit, where match outcomes depend heavily on recent form, surface preference, and head-to-head records. Japanese domestic ITF tournaments typically feature consistent scheduling and reliable completion rates, though weather delays remain a structural risk in May. Historical data from similar ITF events suggests matches scheduled for evening slots in Japan proceed as planned roughly 85–90% of the time, with cancellations or postponements beyond seven days occurring in fewer than 5% of cases. The current 52–48 split suggests the market views this as a competitive fixture without a clear favourite, likely reflecting comparable recent results or ranking positions between the two players.
Traders should monitor ITF tournament draw confirmations and any weather forecasts for Toyama in mid-May, as these will be the primary catalysts affecting match execution. Injury announcements or late withdrawals from either player would trigger immediate repricing. The settlement window's eight-day buffer provides reasonable protection against minor scheduling slippage, though matches abandoned after play begins but without completion would resolve to 50–50 under the market's terms.
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Kazuko Ito-Yamaizumi was an international table tennis player from Japan.
Eitaro Itoyama is one of Japan's wealthiest citizens with a fortune estimated to exceed $500 million. He is a controversial figure in Japanese political and commercial life.
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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 Toyama: Minami Suzuki vs Lisa Kamigata" 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.
$82 in lifetime turnover and $29 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.
Last 24 hours alone saw $177 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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