TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 14, 8:50 PM EST
Polymarket
This market refers to the tennis match between Abedallah Shelbayh and Tyler Zink in the Tiburon, originally scheduled for September 14, 2026 at 1:00PM ET. This market will resolve to 'Abedallah Shelbayh' if Abedallah Shelbayh advances against Tyler Zink. This market will resolve to 'Tyler Zink' if Tyler Zink advances against Abedallah Shelbayh. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 28, 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 Abedallah Shelbayh and Tyler Zink in the Tiburon, originally scheduled for September 14, 2026 at 1:00PM ET. This market will resolve to 'Abedallah Shelbayh' if Abedallah Shelbayh advances against Tyler Zink. This market will resolve to 'Tyler Zink' if Tyler Zink advances against Abedallah Shelbayh. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 28, 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 forecasters, potentially differing from those set by sportsbooks. Sportsbooks establish lines to balance action on both sides and ensure profitability, while this market is driven purely by individuals’ beliefs about the likely outcome. Discrepancies can arise due to differing information, biases, or simply the varying motivations of participants. It’s common to see prediction markets incorporate information more quickly than traditional odds, as traders react to news and developments in real time.
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 reflects 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 event’s likelihood. The current volume indicates significant interest in this contest.
This market resolves around Sep 21, 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 Shelbayh vs Zink match, as reported by recognized sports authorities. The platform will verify the result against these sources to determine the winning outcome and distribute payouts to those who correctly predicted the result. Traders should monitor official sources for updates as the resolution date approaches.
Several factors could influence trading activity in this market leading up to Sep 21, 2026. Any news regarding the fighters’ training, injuries, or changes in their strategies could significantly shift the odds. Public sentiment, as expressed through social media or expert analysis, can also play a role. Unexpected announcements about the event itself, such as venue changes or altered match conditions, could also trigger movement. Ultimately, any information that alters perceptions of the fighters’ relative chances of winning has the potential to impact this market.