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 7, 10:07 AM EST
Polymarket
This market refers to the tennis match between Alafia Ayeni and Carl Overbeck in the Istanbul 3, originally scheduled for September 7, 2026 at 3:00AM ET. This market will resolve to 'Alafia Ayeni' if Alafia Ayeni advances against Carl Overbeck. This market will resolve to 'Carl Overbeck' if Carl Overbeck advances against Alafia Ayeni. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 21, 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 Alafia Ayeni and Carl Overbeck in the Istanbul 3, originally scheduled for September 7, 2026 at 3:00AM ET. This market will resolve to 'Alafia Ayeni' if Alafia Ayeni advances against Carl Overbeck. This market will resolve to 'Carl Overbeck' if Carl Overbeck advances against Alafia Ayeni. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 21, 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 traders, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on statistical models and expert analysis, while this market allows anyone to participate and express their beliefs. It’s common to see discrepancies between the two, especially as new information emerges or public sentiment shifts. Comparing the odds can be a useful exercise for informed decision-making, but remember that both represent probabilities as perceived by different groups.
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 probability of that outcome occurring. As more traders participate, the price adjusts to reflect the collective assessment of the event. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price is determined solely by supply and demand within Polymarket, and reflects the aggregated expectations of its users regarding the Ayeni vs Overbeck match.
This market resolves around Sep 14, 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 Ayeni vs Overbeck match, as reported by recognized sporting authorities. The platform will verify the result against these sources to determine the winning outcome and distribute payouts accordingly. Traders should monitor official sources for the confirmed result to understand how this market will settle.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player injuries, changes in match conditions, or significant performance updates for either Alafia Ayeni or Carl Overbeck could cause the market to react. Unexpected announcements related to the event itself, such as venue changes or scheduling adjustments, could also have an impact. Public sentiment, reflected in social media and expert analysis, can also contribute to price movements as traders adjust their positions based on new information.