TOTAL VOLUME:
$154.6b
24H VOL:
$333,432,169
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,971,286,090
419,492
Markets across
40,634
events
MATCHED EVENTS:
4,654
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 12, 12:35 PM EST
Polymarket
This market refers to the tennis match between Jiri Cizek and Stephan Iserath in the M15 Heraklion, Qualifying, originally scheduled for October 11, 2026 at 5:00AM ET. This market will resolve to 'Jiri Cizek' if Jiri Cizek advances against Stephan Iserath. This market will resolve to 'Stephan Iserath' if Stephan Iserath advances against Jiri Cizek. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 25, 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 Jiri Cizek and Stephan Iserath in the M15 Heraklion, Qualifying, originally scheduled for October 11, 2026 at 5:00AM ET. This market will resolve to 'Jiri Cizek' if Jiri Cizek advances against Stephan Iserath. This market will resolve to 'Stephan Iserath' if Stephan Iserath advances against Jiri Cizek. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 25, 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.
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 implied probability of that outcome occurring. As more traders buy shares in a particular outcome, its price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The platform’s design encourages efficient price discovery, reflecting the aggregated knowledge and expectations of all participants trading in the Cizek vs Iserath match.
This market resolves around Oct 18, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will be determined by the official result of the M15 Heraklion tennis match between Jiri Cizek and Stephan Iserath. The platform will rely on widely available and trusted sources to verify the winner, ensuring a transparent and accurate resolution process. Traders should monitor official sources for updates as the resolution date approaches.
Several factors could influence the price of this market. Any news regarding player form, injuries, or changes in playing conditions could significantly shift trader sentiment. Unexpected upsets in other matches involving these players could also impact perceptions of their relative strengths. Furthermore, major shifts in public opinion, reflected in betting patterns and analysis, could drive price movements. Monitoring tennis news sources and observing trading volume will be key to understanding potential catalysts that could move this market before Oct 18, 2026.