TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 27, 10:05 PM EST
Polymarket
This market refers to the doubles tennis match between Bayerlova/Gimbrere and Brooks/Cabrera in the Porto, originally scheduled for September 22, 2026 at 6:00AM ET. This market will resolve to 'Bayerlova/Gimbrere' if the team of Bayerlova/Gimbrere advances against Brooks/Cabrera. This market will resolve to 'Brooks/Cabrera' if the team of Brooks/Cabrera advances against Bayerlova/Gimbrere. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 6, 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 doubles tennis match between Bayerlova/Gimbrere and Brooks/Cabrera in the Porto, originally scheduled for September 22, 2026 at 6:00AM ET. This market will resolve to 'Bayerlova/Gimbrere' if the team of Bayerlova/Gimbrere advances against Brooks/Cabrera. This market will resolve to 'Brooks/Cabrera' if the team of Brooks/Cabrera advances against Bayerlova/Gimbrere. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 6, 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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.
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 event occurring, as assessed by traders. It’s common to see prediction markets outperform sportsbook odds in accuracy, especially when there is significant public interest and trading volume. However, discrepancies can arise due to differing opinions or information available to each group of bettors. This market’s pricing may differ from those offered elsewhere.
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, the price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price reflects the aggregated sentiment of all participants, creating a dynamic and real-time assessment of the event’s likelihood. The current price indicates what traders collectively believe is the chance of a specific outcome in the Porto doubles match.
This market resolves around Sep 29, 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 Porto doubles match, specifically which pairing—Bayerlova/Gimbrere or Brooks/Cabrera—emerges as the victor. The platform will rely on widely available and trusted sources to determine the final result. Traders who correctly predicted the winning pairing will receive a payout based on the final market price at the time of resolution. It is important to note that the outcome will be determined by the actual event result, not by any subjective interpretation.
Several factors could influence the price of this market before it resolves. Any news regarding the players' form, potential injuries, or changes in playing conditions could significantly shift trader sentiment. Unexpected upsets in other matches leading up to the Porto doubles match might also affect perceived probabilities. Furthermore, large trading volume from informed traders could indicate new information or a change in outlook. Public opinion, as reflected in social media or expert analysis, can also contribute to price movements, though to a lesser extent than direct event-related news.