TOTAL VOLUME:
$154.3b
24H VOL:
$228,458,490
24H TRANSACTIONS:
2,984,028,936
OPEN INTEREST:
$1,879,276,037
410,833
Markets across
40,345
events
MATCHED EVENTS:
4,363
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 12, 7:42 AM EST
Polymarket
This market refers to the tennis match between Jakub Vrba and Daniel Siniakov in the Catania, Italy, Qualifying, originally scheduled for October 12, 2026 at 4:00AM ET. This market will resolve to 'Jakub Vrba' if Jakub Vrba advances against Daniel Siniakov. This market will resolve to 'Daniel Siniakov' if Daniel Siniakov advances against Jakub Vrba. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 26, 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Jakub Vrba and Daniel Siniakov in the Catania, Italy, Qualifying, originally scheduled for October 12, 2026 at 4:00AM ET. This market will resolve to 'Jakub Vrba' if Jakub Vrba advances against Daniel Siniakov. This market will resolve to 'Daniel Siniakov' if Daniel Siniakov advances against Jakub Vrba. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 26, 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 ATP Tour. A consensus of credible reporting may also be used.
Prediction market odds often reflect the wisdom of the crowd, potentially differing from traditional sportsbook odds. Sportsbooks set their lines based on models and internal analysis, while this market aggregates the beliefs of many individual traders. If a significant number of traders believe a sportsbook has mispriced an outcome, they can express that view by trading on Polymarket. This can lead to price discrepancies. It's common to see prediction markets outperform sportsbooks, especially when there's strong public disagreement with the initial lines. However, sportsbooks often have lower fees and wider availability.
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. As more traders buy shares in a particular outcome, its 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 reflects the collective intelligence of all participants, and the platform facilitates this price discovery process. The current price indicates what traders, as a group, believe is the likelihood of a specific result in the Vrba vs Siniakov match.
This market resolves around Oct 19, 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 Vrba vs Siniakov match as reported by the governing tennis authorities. The platform will then determine the winning outcome based on this official result. Traders who held shares in the winning outcome will be entitled to a payout, while those who held shares in losing outcomes will forfeit their investment. The exact timing of resolution may vary slightly depending on the speed of official result publication.
Several signals or events could influence the trading activity in this market. Any news regarding player injuries, changes in playing conditions, or unexpected match announcements could cause shifts in the odds. Public sentiment, as reflected in social media or expert analysis, can also play a role. A strong performance by either player in a preceding tournament or a significant change in their ranking could also move the market. Unexpected weather conditions at the match location could also influence traders' perceptions and lead to price adjustments in this market.