Resolution criteria on PolyGram: This market refers to the tennis match between Gabriela Knutson and Joanna Garland in the Birmingham, originally scheduled for June 1, 2026 at 8:30AM ET. This market will resolve to 'Gabriela Knutson' if Gabriela Knutson advances against Joanna Garland. This market will resolve to 'Joanna Garland' if Joanna Garland advances against Gabriela Knutson. 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
| Birmingham: Gabriela Knutson vs Joanna Garland | 45% YES | 56% NO |
| Completed Match | 51% YES | 50% NO |
| Birmingham: Gabriela Knutson vs Joanna Garland Set 1 Winner | 47% YES | 54% NO |
| Birmingham: Gabriela Knutson vs Joanna Garland Set 1 O/U 9.5 | 50% YES | 50% NO |
| Birmingham: Gabriela Knutson vs Joanna Garland Set 1 O/U 10.5 | 25% YES | 75% NO |
| Birmingham: Gabriela Knutson vs Joanna Garland Match O/U 21.5 | 50% YES | 50% NO |
| Birmingham: Gabriela Knutson vs Joanna Garland Match O/U 22.5 | 43% YES | 57% NO |
| Birmingham: Gabriela Knutson vs Joanna Garland Match O/U 23.5 | 40% YES | 60% NO |
Gabriela Knutson faces Joanna Garland in a Birmingham grass-court tennis match scheduled for 1 June 2026. The current order book on Polymarket reflects a 48% implied probability for Knutson's advancement, suggesting near-parity between the two players in market participants' assessment. Settlement occurs on 8 June 2026, allowing a one-week window for match completion before the 50-50 tie-break resolution clause activates.
Historical matchup data and recent form provide the primary framework for evaluating this probability. Knutson and Garland's head-to-head record, combined with their respective rankings and grass-court performance records, typically anchor initial pricing in tennis markets. Grass surfaces favour certain playing styles—serve-dominant players and those with strong net games generally perform better than baseline grinders. Recent tournament results from both players on similar surfaces, particularly their performances at spring warm-up events leading into Birmingham, will have shaped the current 48-48 split reflected in the order book.
Key catalysts include official confirmation of both players' participation as the tournament approaches, any injury announcements, and their results in preceding tournaments that might affect fitness or confidence. Weather conditions on match day could prove material given grass courts' sensitivity to moisture and surface conditions. Traders should monitor the ATP and WTA official schedules alongside sports news outlets for withdrawal announcements or scheduling changes that might trigger the cancellation resolution clause.
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 "Birmingham: Gabriela Knutson vs Joanna Garland" 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.
$9K in lifetime turnover and $122K of resting liquidity puts this market in the below the median by volume for sports contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.
Last 24 hours alone saw $9K 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.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 8 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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