TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 8, 10:15 AM EST
Polymarket
This market refers to the tennis match between Petr Bar Biryukov and Denis Yevseyev in the Shanghai, originally scheduled for September 8, 2026 at 6:00AM ET. This market will resolve to 'Petr Bar Biryukov' if Petr Bar Biryukov advances against Denis Yevseyev. This market will resolve to 'Denis Yevseyev' if Denis Yevseyev advances against Petr Bar Biryukov. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 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 Petr Bar Biryukov and Denis Yevseyev in the Shanghai, originally scheduled for September 8, 2026 at 6:00AM ET. This market will resolve to 'Petr Bar Biryukov' if Petr Bar Biryukov advances against Denis Yevseyev. This market will resolve to 'Denis Yevseyev' if Denis Yevseyev advances against Petr Bar Biryukov. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 22, 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 lines based on their own models and to balance action, while this market aggregates the views of many individual traders. If a significant number of informed bettors believe a sportsbook is mispricing an outcome, you might see the prediction market odds diverge. It’s common to observe differences, especially before a lot of money has been wagered on either side, as this market is still forming its consensus view.
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 implied 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 judgment of all participants, constantly updating as new information becomes available and traders adjust their positions. This dynamic pricing allows for a real-time assessment of expectations.
This market resolves around Sep 15, 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 Biryukov vs Yevseyev match, as reported by recognized sports authorities. The platform will verify the result against these sources to determine the winning outcome and distribute payouts accordingly. Traders should monitor official sources for updates as the resolution date approaches to understand how the event is unfolding and potentially impact their positions.
Several factors could influence this market before resolution. Any news regarding the players’ form, potential injuries, or changes in their training regimens could shift trader sentiment. Unexpected announcements about match conditions or venue changes could also play a role. Furthermore, significant bets from well-known or respected traders could trigger a cascade of further trading, causing noticeable price movements. Monitoring sports news and observing trading activity on Polymarket will be key to understanding potential catalysts.