TOTAL VOLUME:
$154.8b
24H VOL:
$245,601,049
24H TRANSACTIONS:
2,985,204,718
OPEN INTEREST:
$1,897,405,322
408,349
Markets across
39,583
events
MATCHED EVENTS:
4,443
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 13, 10:38 AM EST
Polymarket
This market refers to the tennis match between Ioannis Xilas and Henri Haupt in the M15 Heraklion, Main Draw, originally scheduled for October 13, 2026 at 5:00AM ET. This market will resolve to 'Ioannis Xilas' if Ioannis Xilas advances against Henri Haupt. This market will resolve to 'Henri Haupt' if Henri Haupt advances against Ioannis Xilas. 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 Ioannis Xilas and Henri Haupt in the M15 Heraklion, Main Draw, originally scheduled for October 13, 2026 at 5:00AM ET. This market will resolve to 'Ioannis Xilas' if Ioannis Xilas advances against Henri Haupt. This market will resolve to 'Henri Haupt' if Henri Haupt advances against Ioannis Xilas. 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.
Prediction market odds often reflect the collective wisdom of a diverse group of forecasters, potentially offering a different perspective than traditional sportsbooks. Sportsbooks set their lines based on statistical models and expert analysis, while this market is driven by individuals willing to put their capital behind their beliefs. This can lead to discrepancies, particularly in events where public perception differs from expert opinion. Examining these differences can be insightful, though it’s important to remember both represent probabilities of the same underlying event.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing different outcomes. The price of each share reflects the market’s current assessment of the probability of that outcome occurring. As more traders participate, the prices adjust to reflect the evolving consensus. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s depth—the amount of volume available at different price points—also influences price discovery, indicating the strength of conviction behind various predictions. The current volume is $3,795.
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 Ioannis Xilas vs Henri Haupt match, as reported by the governing body of the competition. The platform will verify the result against trusted sources to ensure accuracy and transparency. Traders holding shares in the winning outcome will be entitled to a payout, while those holding shares in losing outcomes will forfeit their investment.
Several factors could influence the price movement of this market. Any news regarding player injuries, changes in playing conditions, or strategic announcements from either player could shift expectations. Unexpected upsets in related matches or tournaments might also impact sentiment. Public opinion, as reflected in social media or expert analysis, could also play a role, though the market is ultimately driven by actual trading activity. Monitoring these signals can provide insights into potential shifts in the probabilities reflected in this market.