TOTAL VOLUME:
$154.4b
24H VOL:
$245,801,863
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,902,097,102
417,059
Markets across
40,178
events
MATCHED EVENTS:
4,415
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 11, 2:44 PM EST
Polymarket
This market refers to the tennis match between Barbara Gatica and Carolina Malheiros in the W15 Maceio, Qualifying, originally scheduled for October 11, 2026 at 10:00AM ET. This market will resolve to 'Barbara Gatica' if Barbara Gatica advances against Carolina Malheiros. This market will resolve to 'Carolina Malheiros' if Carolina Malheiros advances against Barbara Gatica. 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 Barbara Gatica and Carolina Malheiros in the W15 Maceio, Qualifying, originally scheduled for October 11, 2026 at 10:00AM ET. This market will resolve to 'Barbara Gatica' if Barbara Gatica advances against Carolina Malheiros. This market will resolve to 'Carolina Malheiros' if Carolina Malheiros advances against Barbara Gatica. 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.
Often, prediction market odds reflect a different perspective than those found at traditional sportsbooks. Sportsbooks typically incorporate a 'vig' or commission into their odds, while Polymarket allows traders to directly express their beliefs about the probability of each outcome. This can lead to differences in implied probabilities, particularly when there is strong public sentiment or information asymmetry. It's common to see this market’s odds diverge from initial sportsbook lines as new information becomes available and traders adjust their positions.
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 Gatica vs Malheiros match as reported by a recognized tennis authority. The platform will verify the result against publicly available sources to determine the winning outcome. Traders holding shares in the winning outcome will be paid out according to the final market price at resolution, while those holding shares in the losing outcome will forfeit their investment.
Several factors could influence trading activity in this market leading up to Oct 18, 2026. Any news regarding player injuries, changes in playing conditions, or updated rankings could significantly shift sentiment. Unexpected announcements about either player's form or strategy could also drive price movements. Furthermore, large trading volume from informed participants could indicate new information or a change in expectations, potentially causing a rapid adjustment in the odds for this market. Monitoring tennis news and social media for relevant updates is advisable.