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 28, 9:54 AM EST
Polymarket
This market refers to the tennis match between Daniil Medvedev and Roman Safiullin in the Hangzhou Open, originally scheduled for September 28, 2026 at 7:30AM ET. This market will resolve to 'Daniil Medvedev' if Daniil Medvedev advances against Roman Safiullin. This market will resolve to 'Roman Safiullin' if Roman Safiullin advances against Daniil Medvedev. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 12, 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 Daniil Medvedev and Roman Safiullin in the Hangzhou Open, originally scheduled for September 28, 2026 at 7:30AM ET. This market will resolve to 'Daniil Medvedev' if Daniil Medvedev advances against Roman Safiullin. This market will resolve to 'Roman Safiullin' if Roman Safiullin advances against Daniil Medvedev. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 12, 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.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks set their lines based on their own analysis and to balance action, while this market is driven by traders who are incentivized to accurately predict the outcome. Discrepancies can arise due to differing information, biases, or simply the dynamics of supply and demand within the prediction market. It's often useful to compare the implied probabilities from both sources to identify potential value or mispricings.
This market resolves around Oct 5, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Medvedev vs Safiullin match as reported by a recognized tennis authority. The market will determine which outcome – a Medvedev win or a Safiullin win – occurred, based on the official score and completion of the match. Traders will then be paid out according to their holdings in the winning outcome.
Several factors could influence the trading activity in this market. Any news regarding player injuries, changes in playing conditions, or updated match analysis from tennis experts could shift trader sentiment. Unexpected performance in other matches leading up to the Medvedev vs Safiullin match might also impact perceptions of player form. Finally, large trading volume from informed traders could signal a shift in expectations and cause the odds to move significantly before Oct 5, 2026.