TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 15, 10:55 AM EST
Polymarket
This market refers to the tennis match between Jesse Delaney and Petr Bar Biryukov in the Guangzhou, originally scheduled for September 15, 2026 at 3:30AM ET. This market will resolve to 'Jesse Delaney' if Jesse Delaney advances against Petr Bar Biryukov. This market will resolve to 'Petr Bar Biryukov' if Petr Bar Biryukov advances against Jesse Delaney. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 29, 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 Jesse Delaney and Petr Bar Biryukov in the Guangzhou, originally scheduled for September 15, 2026 at 3:30AM ET. This market will resolve to 'Jesse Delaney' if Jesse Delaney advances against Petr Bar Biryukov. This market will resolve to 'Petr Bar Biryukov' if Petr Bar Biryukov advances against Jesse Delaney. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 29, 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.
Often, prediction market odds offer a different perspective than traditional sportsbooks. Sportsbooks set lines to balance action and incorporate a profit margin, while this market reflects the collective wisdom of traders. Discrepancies can arise due to differing information, biases, or simply variations in how each assesses the probability of a particular outcome. If there's a significant difference between the implied probability on Polymarket and sportsbook odds, it could signal an opportunity for informed traders to exploit a mispricing.
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, reflecting growing confidence. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market efficiently aggregates information as traders react to news and updates about the fighters, adjusting their positions and influencing the price.
This market resolves around Sep 22, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Delaney vs Biryukov fight, as declared by the relevant sporting authority. The fighter who is officially declared the winner will determine the outcome of this market. Any disputes or challenges to the official result will be considered according to Polymarket’s guidelines.
Several factors could significantly influence this market before the fight takes place. Any news regarding injuries to either fighter, changes in their training regimens, or updates on their physical condition would likely cause price fluctuations. Pre-fight press conferences, weigh-in results, and even public statements from the fighters themselves could also shift market sentiment. Unexpected betting patterns or large volume trades on Polymarket could also indicate new information or a change in prevailing opinion.