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 17, 10:42 AM EST
Polymarket
This market refers to the tennis match between Robin Bertrand and Sergio Callejon Hernando in the M15 Monastir, Main Draw, originally scheduled for October 17, 2026 at 5:00AM ET. This market will resolve to 'Robin Bertrand' if Robin Bertrand advances against Sergio Callejon Hernando. This market will resolve to 'Sergio Callejon Hernando' if Sergio Callejon Hernando advances against Robin Bertrand. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 31, 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 Robin Bertrand and Sergio Callejon Hernando in the M15 Monastir, Main Draw, originally scheduled for October 17, 2026 at 5:00AM ET. This market will resolve to 'Robin Bertrand' if Robin Bertrand advances against Sergio Callejon Hernando. This market will resolve to 'Sergio Callejon Hernando' if Sergio Callejon Hernando advances against Robin Bertrand. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 31, 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 traders, potentially differing from those set by sportsbooks. Sportsbooks establish initial lines based on statistical models and expert analysis, aiming to balance action on both sides. This market, however, is driven by individuals willing to put their capital behind their beliefs. Discrepancies can arise due to differing information, biases, or simply a wider range of perspectives considered by prediction market participants. It is common to see prediction markets move independently of sportsbook odds as new information becomes available.
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 probability of that outcome occurring, as perceived by the market participants. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and new information emerges, the price fluctuates, reflecting the evolving consensus. The market's depth and volume indicate the level of confidence and agreement among traders regarding the likely result of the Monastir tennis match.
This market resolves around Oct 24, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Monastir tennis match between Robin Bertrand and Sergio Callejon Hernando. The platform will verify the winner based on publicly available sources, such as official tournament websites and sports news outlets. Traders holding shares in the winning outcome will be entitled to a payout, while those holding shares in the losing outcome will forfeit their investment.
Several signals or events could significantly move this market before resolution. Any news regarding player injuries, changes in playing conditions, or unexpected performance in preceding matches could influence trader sentiment. Updates on player form, recent match results, and even weather forecasts for Monastir could all contribute to shifts in the odds. Furthermore, large trades by influential market participants could also create noticeable price movements. Monitoring these factors will be key to understanding how this market evolves in the lead-up to the match.