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 5, 1:54 PM EST
Polymarket
This market refers to the tennis match between Martin Marko and Theofanis Kontopoulos in the M15 Heraklion, Qualifying, originally scheduled for October 4, 2026 at 6:30AM ET. This market will resolve to 'Martin Marko' if Martin Marko advances against Theofanis Kontopoulos. This market will resolve to 'Theofanis Kontopoulos' if Theofanis Kontopoulos advances against Martin Marko. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 18, 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 Martin Marko and Theofanis Kontopoulos in the M15 Heraklion, Qualifying, originally scheduled for October 4, 2026 at 6:30AM ET. This market will resolve to 'Martin Marko' if Martin Marko advances against Theofanis Kontopoulos. This market will resolve to 'Theofanis Kontopoulos' if Theofanis Kontopoulos advances against Martin Marko. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 18, 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 probability of that outcome occurring. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate, the price adjusts to reflect the evolving consensus. The current implied probability of a particular outcome is determined by the share price relative to 1; a share priced at 0.60 implies a 60% chance of that outcome.
This market resolves around Oct 11, 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 M15 Heraklion match between Martin Marko and Theofanis Kontopoulos. The platform will verify the result against established sports data sources to ensure accuracy and transparency. Traders holding shares in the winning outcome will be paid out according to the final share price at resolution.
Several factors could influence the price of this market before resolution. Any news regarding player injuries, changes in playing conditions, or updated match previews from reputable analysts could shift trader sentiment. Unexpected announcements about team strategies or player form could also have a significant impact. Furthermore, large trades on Polymarket itself can create short-term price fluctuations, as the market reacts to new information or changes in demand. Monitoring these signals can help you anticipate potential price movements.