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 22, 6:22 AM EST
Polymarket
This market refers to the tennis match between Julio Cesar Porras and Pavlos Tsitsipas in the M15 Heraklion, Main Draw, originally scheduled for October 22, 2026 at 3:00AM ET. This market will resolve to 'Julio Cesar Porras' if Julio Cesar Porras advances against Pavlos Tsitsipas. This market will resolve to 'Pavlos Tsitsipas' if Pavlos Tsitsipas advances against Julio Cesar Porras. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 5, 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 Julio Cesar Porras and Pavlos Tsitsipas in the M15 Heraklion, Main Draw, originally scheduled for October 22, 2026 at 3:00AM ET. This market will resolve to 'Julio Cesar Porras' if Julio Cesar Porras advances against Pavlos Tsitsipas. This market will resolve to 'Pavlos Tsitsipas' if Pavlos Tsitsipas advances against Julio Cesar Porras. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 5, 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.
Often, prediction market odds reflect a different perspective than those offered by traditional sportsbooks. Sportsbooks typically incorporate a 'vig' or commission into their odds, while Polymarket allows traders to directly assess probabilities. This can lead to discrepancies, with this market potentially offering more favorable odds for certain outcomes. However, it's important to remember that both represent estimations of likelihood, and comparing them can reveal where public sentiment differs from professional oddsmakers' assessments.
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 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 as more people believe a particular player will win, the price of shares representing that outcome will increase. This creates a real-time assessment of probabilities driven by the collective intelligence of traders.
This market resolves around Oct 29, 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 Julio Cesar Porras and Pavlos Tsitsipas. The platform will verify the winner against official tournament results to determine which outcome resolves as correct. Traders holding shares in the winning outcome will be paid out according to the final market price.
Several factors could influence the price of shares in this market. Any news regarding player injuries, changes in playing conditions, or even updated rankings could shift trader sentiment. Unexpected results in other matches involving these players could also impact perceptions of their form and ability. Furthermore, significant betting activity or large trades on Polymarket could also cause noticeable price movements, reflecting a change in collective belief about the likely winner of the Heraklion tennis match.