TOTAL VOLUME:
$154.5b
24H VOL:
$271,200,656
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,922,627,141
420,368
Markets across
40,352
events
MATCHED EVENTS:
4,484
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 24, 5:22 AM EST
Polymarket
This market refers to the tennis match between Kimberly Birrell and Aoi Ito in the Pan Pacific Open, Qualification, originally scheduled for October 24, 2026 at 12:30AM ET. This market will resolve to 'Kimberly Birrell' if Kimberly Birrell advances against Aoi Ito. This market will resolve to 'Aoi Ito' if Aoi Ito advances against Kimberly Birrell. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 7, 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Kimberly Birrell and Aoi Ito in the Pan Pacific Open, Qualification, originally scheduled for October 24, 2026 at 12:30AM ET. This market will resolve to 'Kimberly Birrell' if Kimberly Birrell advances against Aoi Ito. This market will resolve to 'Aoi Ito' if Aoi Ito advances against Kimberly Birrell. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 7, 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 WTA Tour. A consensus of credible reporting may also be used.
Generally, prediction market odds often reflect a wisdom-of-the-crowd effect, potentially differing from traditional sportsbook odds. Sportsbooks set lines based on their own models and aim to balance action on both sides, incorporating a profit margin. This market, however, is driven purely by traders expressing their beliefs about the outcome, leading to potentially different probabilities. Discrepancies can arise due to differing information sources, biases, or simply the dynamic nature of the prediction market where odds adjust rapidly with new information and trading activity. It’s useful to compare both to gain a broader perspective.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in each outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more traders buy shares in a particular outcome, its price increases, and the implied probability rises. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price reflects the collective intelligence of all participants, constantly updating as new information becomes available and traders adjust their positions. This dynamic pricing ensures the market remains responsive to changing perceptions of the match's likely result.
This market resolves around Oct 31, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Pan Pacific Open qualification match between Kimberly Birrell and Aoi Ito, as reported by the tournament organizers. The player who wins the match will be declared the winner of this market. The platform will verify the result against publicly available sources to ensure accuracy and transparency. Traders should monitor official tournament updates for the final outcome and resolution timing.
Several factors could influence the price of this market before resolution. Any news regarding player form, injuries, or changes in playing conditions could significantly shift trader sentiment. For example, reports of Birrell or Ito experiencing a minor injury during practice sessions could lead to a decrease in their respective share prices. Unexpected weather conditions at the tournament venue could also play a role, potentially favoring one player’s playing style over the other. Furthermore, any analysis from tennis experts or changes in public perception could drive trading activity and impact the market’s price.