TOTAL VOLUME:
$154.6b
24H VOL:
$323,326,361
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,969,435,260
419,363
Markets across
40,411
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 25, 11:51 PM EST
Polymarket
This market refers to the tennis match between Dorian Kos and Joseph Roboly in the M15 Heraklion, Qualifying, originally scheduled for October 25, 2026 at 7:00AM ET. This market will resolve to 'Dorian Kos' if Dorian Kos advances against Joseph Roboly. This market will resolve to 'Joseph Roboly' if Joseph Roboly advances against Dorian Kos. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 8, 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 Dorian Kos and Joseph Roboly in the M15 Heraklion, Qualifying, originally scheduled for October 25, 2026 at 7:00AM ET. This market will resolve to 'Dorian Kos' if Dorian Kos advances against Joseph Roboly. This market will resolve to 'Joseph Roboly' if Joseph Roboly advances against Dorian Kos. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 8, 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. Traders deposit collateral and buy or sell shares representing their belief in the likelihood of a particular outcome. As more shares are traded, the price adjusts to reflect the collective sentiment. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of shares in Joseph Roboly winning, for example, indicates the market’s assessment of his probability of victory. The more traders believe he will win, the higher the share price will climb, and vice versa. This dynamic pricing ensures the market reflects the latest information available.
This market resolves around Nov 1, 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 Heraklion tennis match between Dorian Kos and Joseph Roboly, as reported by a recognized tennis authority. The platform will verify the result against publicly available sources to determine the winning outcome and distribute payouts accordingly. Traders should monitor official sources for updates as the resolution date approaches.
Several factors could influence the trading activity in this market. Any news regarding player form, injuries, or changes in playing conditions could significantly shift the odds. For example, if Joseph Roboly were to withdraw from the match due to injury, the market would likely see a substantial increase in the probability assigned to Dorian Kos winning. Unexpected weather conditions at the Heraklion tournament could also play a role, as could any updates on the players’ head-to-head record or recent performance.