TOTAL VOLUME:
$154.6b
24H VOL:
$333,432,169
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,971,286,090
419,492
Markets across
40,634
events
MATCHED EVENTS:
4,654
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 11, 11:57 AM EST
Polymarket
This market refers to the tennis match between Edie Griffiths and Rosie Cho in the W35 Birmingham, Qualifying, originally scheduled for October 11, 2026 at 8:00AM ET. This market will resolve to 'Edie Griffiths' if Edie Griffiths advances against Rosie Cho. This market will resolve to 'Rosie Cho' if Rosie Cho advances against Edie Griffiths. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 25, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Edie Griffiths and Rosie Cho in the W35 Birmingham, Qualifying, originally scheduled for October 11, 2026 at 8:00AM ET. This market will resolve to 'Edie Griffiths' if Edie Griffiths advances against Rosie Cho. This market will resolve to 'Rosie Cho' if Rosie Cho advances against Edie Griffiths. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 25, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds often reflect the collective wisdom of a diverse group of forecasters, which can differ from sportsbook odds influenced by house biases or public perception. Sportsbooks typically set initial lines to balance betting action, while this market allows traders to freely adjust probabilities based on their own research and insights. It’s common to see discrepancies, especially before significant information emerges or as the event draws closer. Comparing the two can offer a broader perspective on the likely outcome of the Griffiths vs Cho match.
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. As more traders participate, the price adjusts to reflect the aggregated sentiment. The market’s efficiency relies on informed traders and active participation, leading to a dynamic and potentially more accurate assessment of the event’s likelihood than static odds.
This market resolves around Oct 18, 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 W35 Birmingham match between Edie Griffiths and Rosie Cho. The platform will verify the result against established sports news sources and official tournament records to ensure accuracy. Traders holding shares in the winning outcome will be entitled to a payout based on the final market price at resolution.
Several factors could influence the price of this market before Oct 18, 2026. Any news regarding player injuries, changes in coaching strategies, or unexpected performance in preceding matches could shift trader sentiment. Publicly available analysis from sports commentators and experts could also impact the market, especially if it challenges prevailing assumptions. Furthermore, significant betting activity or large trades on Polymarket itself can create momentum and drive price fluctuations in the Griffiths vs Cho match.