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, 10:11 AM EST
Polymarket
This market refers to the tennis match between Sophie Johnstone and Georgiana Mititelu in the W35 Birmingham, Qualifying, originally scheduled for October 11, 2026 at 6:00AM ET. This market will resolve to 'Sophie Johnstone' if Sophie Johnstone advances against Georgiana Mititelu. This market will resolve to 'Georgiana Mititelu' if Georgiana Mititelu advances against Sophie Johnstone. 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 Sophie Johnstone and Georgiana Mititelu in the W35 Birmingham, Qualifying, originally scheduled for October 11, 2026 at 6:00AM ET. This market will resolve to 'Sophie Johnstone' if Sophie Johnstone advances against Georgiana Mititelu. This market will resolve to 'Georgiana Mititelu' if Georgiana Mititelu advances against Sophie Johnstone. 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 wisdom of the crowd, potentially differing from sportsbook odds which can be influenced by factors like house bias or initial public perception. Sportsbooks establish lines based on their analysis and aim to balance betting action on both sides, while this market allows anyone to express their view, leading to a potentially more accurate assessment of probabilities. Discrepancies can arise due to differing information sources, analytical approaches, or simply variations in opinion among bettors and prediction market participants. It’s common to see this market adjust rapidly to new information, potentially outpacing sportsbook adjustments.
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. As more traders buy shares in a particular outcome, its price increases, reflecting growing confidence. 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 is not influenced by external factors or predetermined values. This dynamic pricing ensures the market reflects the collective intelligence of its participants regarding the Johnstone vs Mititelu match.
This market resolves around Oct 18, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the W35 Birmingham match between Sophie Johnstone and Georgiana Mititelu. The platform will verify the result against publicly available sources to determine the winning player. The outcome will be determined by the official match results, and the market will settle accordingly, distributing payouts to those who correctly predicted the winner of the Johnstone vs Mititelu match.
Several factors could influence the trading activity in this market before Oct 18, 2026. Any news regarding player form, injuries, or changes in coaching strategy could significantly shift expectations. Unexpected results in preceding matches for either Sophie Johnstone or Georgiana Mititelu could also impact the market. Public sentiment, as reflected in social media or expert analysis, might also play a role, though the market is ultimately driven by trading volume on Polymarket. Major upsets or surprising performances in related events could also cause traders to reassess their predictions and adjust their positions.