TOTAL VOLUME:
$154.3b
24H VOL:
$219,029,434
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,869,293,526
411,051
Markets across
40,408
events
MATCHED EVENTS:
4,377
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 13, 3:06 PM EST
Polymarket
This market refers to the tennis match between Yannik Kelm and Pierre Yves Bailly in the M15 Offenbach, Main Draw, originally scheduled for October 13, 2026 at 8:00AM ET. This market will resolve to 'Yannik Kelm' if Yannik Kelm advances against Pierre Yves Bailly. This market will resolve to 'Pierre Yves Bailly' if Pierre Yves Bailly advances against Yannik Kelm. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 27, 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 Yannik Kelm and Pierre Yves Bailly in the M15 Offenbach, Main Draw, originally scheduled for October 13, 2026 at 8:00AM ET. This market will resolve to 'Yannik Kelm' if Yannik Kelm advances against Pierre Yves Bailly. This market will resolve to 'Pierre Yves Bailly' if Pierre Yves Bailly advances against Yannik Kelm. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 27, 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, ensuring a profit margin. This market, however, is driven purely by traders’ willingness to buy or sell, theoretically resulting in more efficient price discovery. While sportsbooks may initially set odds based on expert analysis, this market continuously adjusts as new information and opinions emerge. Discrepancies can arise due to differing levels of information, biases, or simply varying interpretations of the event’s potential outcomes.
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 express their views, the price fluctuates, reflecting the collective wisdom of the crowd. The market isn’t influenced by external factors like bookmaker margins; instead, it’s a purely supply-and-demand driven system for assessing the likelihood of a particular result in the Kelm vs Bailly match.
This market resolves around Oct 20, 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 Kelm vs Bailly match, as declared by the governing body of the competition. The platform will verify the result against publicly available and trusted sources to ensure accuracy. Traders who correctly predicted the outcome will be entitled to a payout based on the final market price at the time of resolution, while those who predicted incorrectly will forfeit their shares.
Several factors could influence the price of this market before Oct 20, 2026. Any news regarding player injuries, changes in playing conditions, or strategic announcements from either Kelm or Bailly’s team could significantly shift trader sentiment. Unexpected upsets in other matches featuring these players, or even broader trends in the sport, could also play a role. Public opinion, as reflected in polls or expert analysis, may also impact trading activity, although the market isn’t directly tied to these external indicators. Ultimately, any information that alters the perceived probability of either player winning will likely move the market.