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 21, 6:41 AM EST
Polymarket
This market refers to the tennis match between Louis Tessa and Ioannis Kountourakis in the M15 Heraklion, Main Draw, originally scheduled for October 21, 2026 at 2:30AM ET. This market will resolve to 'Louis Tessa' if Louis Tessa advances against Ioannis Kountourakis. This market will resolve to 'Ioannis Kountourakis' if Ioannis Kountourakis advances against Louis Tessa. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 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 Louis Tessa and Ioannis Kountourakis in the M15 Heraklion, Main Draw, originally scheduled for October 21, 2026 at 2:30AM ET. This market will resolve to 'Louis Tessa' if Louis Tessa advances against Ioannis Kountourakis. This market will resolve to 'Ioannis Kountourakis' if Ioannis Kountourakis advances against Louis Tessa. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 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.
Typically, prediction market odds reflect the wisdom of the crowd, often differing from traditional sportsbook odds. Sportsbooks set lines based on their own models and aim to profit by balancing action on both sides, while this market allows anyone to express their belief about the outcome. If a significant number of traders believe a sportsbook is mispricing a player's chances, the prediction market odds will adjust accordingly. It's common to see discrepancies, especially when public opinion strongly deviates from the sportsbook's initial assessment. Examining these differences can reveal valuable insights into the perceived value of each outcome.
This market resolves around Oct 28, 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 Louis Tessa vs Ioannis Kountourakis match in Heraklion. The platform will verify the result against official tournament records and reporting from reputable sports news sources. Once the official result is confirmed, the market will settle, and traders will receive payouts based on their holdings in the winning outcome. The outcome will be determined by which player wins the tennis match.
Several factors could influence the trading activity in this market before resolution. Any news regarding player form, such as injury updates or recent match results, could significantly shift the odds. Unexpected weather conditions in Heraklion on the day of the match could also play a role, potentially favoring one player over the other. Furthermore, significant betting activity from informed traders, or even a change in public sentiment based on expert analysis, could lead to price movements. Monitoring these signals will be key to understanding how this market evolves leading up to Oct 28, 2026.