TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 6, 5:53 AM EST
Polymarket
This market refers to the tennis match between Jelle Sels and Matthew William Donald in the Tulln, Austria, Qualifying, originally scheduled for September 6, 2026 at 4:00AM ET. This market will resolve to 'Jelle Sels' if Jelle Sels advances against Matthew William Donald. This market will resolve to 'Matthew William Donald' if Matthew William Donald advances against Jelle Sels. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 20, 2026, 11:59 PM ET (14 days after the scheduled start), 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. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Jelle Sels and Matthew William Donald in the Tulln, Austria, Qualifying, originally scheduled for September 6, 2026 at 4:00AM ET. This market will resolve to 'Jelle Sels' if Jelle Sels advances against Matthew William Donald. This market will resolve to 'Matthew William Donald' if Matthew William Donald advances against Jelle Sels. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 20, 2026, 11:59 PM ET (14 days after the scheduled start), 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. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Prediction market odds often reflect the collective wisdom of a diverse group of individuals, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set lines based on their own models and risk management, while this market aggregates the views of many bettors. Discrepancies can arise due to differing information, biases, or simply the dynamics of supply and demand within the prediction market. Examining these differences can be valuable for informed decision-making, though it's important to remember both represent probabilities, not guarantees.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more people buy shares in a particular outcome, its price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. This dynamic pricing ensures that the market reflects the most up-to-date collective assessment of the Sels vs Donald match’s potential results, offering a unique insight into public sentiment.
This market resolves around Sep 13, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the Sels vs Donald match as reported by recognized sports authorities. The platform will then determine the winning outcome and distribute payouts to those who correctly predicted the result. It's important to note that the resolution process relies on publicly available and verifiable information to ensure a fair and transparent outcome.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player form, injuries, or changes in coaching strategies for either Jelle Sels or Matthew William Donald could significantly impact the perceived probabilities. Unexpected announcements about match conditions, venue changes, or even weather forecasts could also play a role. Furthermore, large trading volume from informed bettors could signal new information or a shift in sentiment, causing the market to react accordingly.