TOTAL VOLUME:
$154.4b
24H VOL:
$290,393,159
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,944,100,805
420,493
Markets across
40,511
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 18, 1:54 AM EST
Polymarket
This market refers to the tennis match between Masamichi Imamura and Saba Purtseladze in the Guangzhou, China, Qualifying, originally scheduled for October 18, 2026 at 12:10AM ET. This market will resolve to 'Masamichi Imamura' if Masamichi Imamura advances against Saba Purtseladze. This market will resolve to 'Saba Purtseladze' if Saba Purtseladze advances against Masamichi Imamura. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Masamichi Imamura and Saba Purtseladze in the Guangzhou, China, Qualifying, originally scheduled for October 18, 2026 at 12:10AM ET. This market will resolve to 'Masamichi Imamura' if Masamichi Imamura advances against Saba Purtseladze. This market will resolve to 'Saba Purtseladze' if Saba Purtseladze advances against Masamichi Imamura. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 1, 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 ATP Tour. A consensus of credible reporting may also be used.
Prediction market odds often reflect the collective wisdom of a diverse group of forecasters, potentially differing from sportsbook odds which may be influenced by factors like house bias or public perception. Sportsbooks typically set initial lines to balance betting action, while this market allows participants to directly express their beliefs about the probability of each outcome. Discrepancies can arise due to differing information access or analytical approaches, and it’s common to see prediction markets outperform traditional odds in accuracy, especially as the event approaches. Comparing the two can offer a broader perspective on potential outcomes.
This market resolves around Oct 25, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Guangzhou match between Masamichi Imamura and Saba Purtseladze, as determined by the governing sporting body. The platform will verify the result against publicly available and trusted sources to ensure accuracy and transparency. The market will then settle, and shares will be redeemed based on the final outcome.
Several factors could influence trading activity and shift the odds in this market. Any news regarding player injuries, changes in coaching strategies, or unexpected performance in preceding matches could significantly impact trader sentiment. Publicly released analysis from sports experts, updated rankings, or even weather conditions affecting the match could also play a role. Increased trading volume, particularly concentrated on one outcome, is a key signal to watch, as it suggests a shift in collective belief about the likely result of the Imamura vs Purtseladze match.