TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 28, 4:17 PM EST
Polymarket
This market refers to the tennis match between Jayden Tzirtis and Haruto Ishikawa in the M25 Darwin, Qualifying, originally scheduled for September 28, 2026 at 2:30AM ET. This market will resolve to 'Jayden Tzirtis' if Jayden Tzirtis advances against Haruto Ishikawa. This market will resolve to 'Haruto Ishikawa' if Haruto Ishikawa advances against Jayden Tzirtis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 12, 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 Jayden Tzirtis and Haruto Ishikawa in the M25 Darwin, Qualifying, originally scheduled for September 28, 2026 at 2:30AM ET. This market will resolve to 'Jayden Tzirtis' if Jayden Tzirtis advances against Haruto Ishikawa. This market will resolve to 'Haruto Ishikawa' if Haruto Ishikawa advances against Jayden Tzirtis. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 12, 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 likelihood of each outcome. The price of these shares directly reflects the implied probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market price adjusts dynamically based on supply and demand, meaning that if more traders believe a particular player will win, the price of shares representing that outcome will increase. This creates a real-time assessment of the event’s potential results, driven entirely by user activity.
This market resolves around Oct 5, 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 Darwin M25 match between Jayden Tzirtis and Haruto Ishikawa. The platform will verify the winner based on publicly available sources, such as official tournament results and reporting from reputable sports news outlets. The outcome will be determined by which player is officially declared the winner of the match.
Several factors could influence the trading activity and therefore the odds in this market. Any news regarding player form, injuries, or changes in playing conditions could significantly shift trader sentiment. Unexpected results in preceding matches for either Jayden Tzirtis or Haruto Ishikawa could also impact the market. Furthermore, updates from tennis analysts or changes in betting odds at sportsbooks might prompt traders to reassess their positions, leading to fluctuations in the price of shares. Any significant information released before Oct 5, 2026 has the potential to move this market.