TOTAL VOLUME:
$154.3b
24H VOL:
$219,029,434
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,869,293,526
411,051
Markets across
40,408
events
MATCHED EVENTS:
4,377
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 21, 6:21 PM EST
Polymarket
This market refers to the tennis match between Tomasz Berkieta and Nicolas Arseneault in the M15 Ithaca, Main Draw, originally scheduled for October 21, 2026 at 1:00PM ET. This market will resolve to 'Tomasz Berkieta' if Tomasz Berkieta advances against Nicolas Arseneault. This market will resolve to 'Nicolas Arseneault' if Nicolas Arseneault advances against Tomasz Berkieta. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 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 Tomasz Berkieta and Nicolas Arseneault in the M15 Ithaca, Main Draw, originally scheduled for October 21, 2026 at 1:00PM ET. This market will resolve to 'Tomasz Berkieta' if Tomasz Berkieta advances against Nicolas Arseneault. This market will resolve to 'Nicolas Arseneault' if Nicolas Arseneault advances against Tomasz Berkieta. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 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.
Prediction market odds often reflect the wisdom of the crowd, and can differ from traditional sportsbook odds. Sportsbooks set lines based on their own models and aim to balance action on both sides, while this market aggregates the beliefs of many individual traders. If a significant number of traders believe a sportsbook is mispricing an outcome, they can express that view through trading activity, potentially leading to odds discrepancies. It’s important to compare the implied probabilities from both sources to identify potential value, but remember that this market represents a distinct and independent assessment of the event's likelihood.
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. As more traders buy shares in a particular outcome, the price increases, and vice versa. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price is determined entirely by supply and demand, and the platform facilitates these trades, ensuring that the odds dynamically adjust based on the collective intelligence of the traders participating in this market.
This market resolves around Oct 28, 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 Berkieta vs Arseneault match as reported by the governing body or official tournament organizers. Traders will be able to see the final outcome and the resulting payout for their shares once the resolution process is complete. The platform will verify the result and distribute funds accordingly, ensuring a transparent and reliable outcome for all participants in this market.
Several factors could influence trading activity and shift the odds in this market before Oct 28, 2026. Any news regarding player injuries, changes in coaching strategies, or unexpected performance in preceding matches could all impact trader sentiment. Publicly available analysis from sports experts or shifts in betting lines at traditional sportsbooks might also trigger trading activity. Significant volume spikes or large trades in either direction could also indicate new information or a change in market perception regarding the likely winner of the Berkieta vs Arseneault match.