TOTAL VOLUME:
$154.8b
24H VOL:
$260,393,102
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,894,304,386
408,643
Markets across
39,771
events
MATCHED EVENTS:
4,493
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 8, 11:37 AM EST
Polymarket
This market tracks whether Damir Dzumhur will advance against Abedallah Shelbayh in their tennis match in Villena, originally scheduled for October 8, 2026. Currently, Polymarket gives a 100.0% probability to “Dzumhur vs. Shelbayh: Set 1 Games O/U 10.5”. Resolution will be based on the official scores reported at https://www.atptour.com/en/scores/current. Keep an eye on the match itself, as the outcome will be determined by the completion of the first set on or before the resolution date of October 15, 2026.
This market refers to the tennis match between Damir Dzumhur and Abedallah Shelbayh in the Villena, originally scheduled for October 8, 2026 at 5:00AM ET. This market will resolve to 'Damir Dzumhur' if Damir Dzumhur advances against Abedallah Shelbayh. This market will resolve to 'Abedallah Shelbayh' if Abedallah Shelbayh advances against Damir Dzumhur. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 22, 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.
Typically, prediction market odds reflect a different set of information and incentives than those found at traditional sportsbooks. Sportsbooks often incorporate a 'vig' or commission into their odds, while prediction markets aim to represent the true probability of an outcome as determined by traders. It's common to see discrepancies between the two, especially before significant betting activity occurs. However, as the event approaches, this market and sportsbook odds may converge as more information becomes available and both reflect public and expert opinion.
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. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more shares purchased for a particular outcome, the higher its price rises, and vice versa. This dynamic pricing reflects the collective wisdom of the crowd and adjusts in real-time as new information emerges. The current top outcome, as indicated by share price, is the completion of the match with Damir Dzumhur winning.
This market resolves around Oct 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will depend on the official result of the match between Damir Dzumhur and Abedallah Shelbayh, as determined by official tournament organizers. The platform will then verify the result against publicly available data to determine the winning outcome and distribute payouts accordingly. Traders should monitor official sources for updates as the resolution date approaches.
Several factors could influence the price of this market before it resolves. Any news regarding player injuries, changes in playing conditions, or unexpected developments in the tournament could shift trader sentiment. Additionally, significant betting activity – a large purchase of shares for one outcome – could also cause a noticeable price movement. Public analysis and expert predictions concerning the players' form and head-to-head record may also play a role in shaping market expectations and driving price changes.