Resolution criteria on PolyGram: This market refers to the tennis match between Zhuoxuan Bai and Viktoria Morvayova in the Jiujiang, originally scheduled for May 6, 2026 at 6:00AM ET. This market will resolve to 'Zhuoxuan Bai' if Zhuoxuan Bai advances against Viktoria Morvayova. This market will resolve to 'Viktoria Morvayova' if Viktoria Morvayova advances against Zhuoxuan Bai. 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
| Jiujiang: Zhuoxuan Bai vs Viktoria Morvayova | 100% YES | 0% NO |
| Jiujiang: Zhuoxuan Bai vs Viktoria Morvayova Total Sets: O/U 2.5 | 0% YES | 100% NO |
| Jiujiang: Zhuoxuan Bai vs Viktoria Morvayova Set 1 Winner | 100% YES | 0% NO |
| Jiujiang: Zhuoxuan Bai vs Viktoria Morvayova Set 1 O/U 8.5 | 0% YES | 100% NO |
| Jiujiang: Zhuoxuan Bai vs Viktoria Morvayova Match O/U 21.5 | 0% YES | 100% NO |
| Jiujiang: Zhuoxuan Bai vs Viktoria Morvayova Set 1 O/U 9.5 | 0% YES | 100% NO |
| Jiujiang: Zhuoxuan Bai vs Viktoria Morvayova Match O/U 22.5 | 0% YES | 100% NO |
| Jiujiang: Zhuoxuan Bai vs Viktoria Morvayova Set 1 O/U 10.5 | 0% YES | 100% NO |
Zhuoxuan Bai, a Chinese player ranked outside the WTA top 200, faces Slovakia's Viktoria Morvayova in a Jiujiang tournament match originally scheduled for 6 May 2026. The current order book on Polymarket reflects a 100% implied probability for Bai's advancement, suggesting either overwhelming confidence in her superiority or minimal liquidity depth at the current price. This extreme probability warrants scrutiny, as such levels typically indicate either a decisive matchup or thin trading volume that hasn't yet attracted contrarian positions.
Comparable WTA qualifying and ITF-level matches between players of similar ranking demonstrate that upsets occur in roughly 15–25% of encounters, depending on surface conditions and recent form. Morvayova's record against Chinese opponents and her performance trajectory through 2025 would provide context for whether the market's certainty reflects genuine dominance or merely reflects Bai's seeding advantage in the draw. Historical data from similar low-ranked matchups suggests that 100% probabilities rarely hold without substantial information asymmetry.
Key catalysts include confirmation of the match proceeding as scheduled, any withdrawal announcements, and surface conditions at the Jiujiang venue—indoor hard courts typically favour consistent baseline players. Traders should monitor whether either player withdraws before the settlement window closes on 13 May 2026, as the market's tie-resolution clause (50-50 split if unplayed beyond seven days) creates an alternative outcome path. Recent ITF and WTA qualifying results from both players through April 2026 would clarify whether the current pricing reflects updated form data or outdated seeding assumptions.
This market settles from the official outcome published at https://www.wtatennis.com/scores. 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 "Jiujiang: Zhuoxuan Bai vs Viktoria Morvayova" 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.
$46K in lifetime turnover and $0 of resting liquidity puts this market in the above 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.wtatennis.com/scores. 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 13 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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