TOTAL VOLUME:
$154.6b
24H VOL:
$333,432,169
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,971,286,090
419,492
Markets across
40,634
events
MATCHED EVENTS:
4,654
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 4, 9:39 AM EST
Polymarket
This market refers to the tennis match between Sara Bejlek and Naomi Osaka in the China Open, originally scheduled for October 3, 2026 at 11:00PM ET. This market will resolve to 'Sara Bejlek' if Sara Bejlek advances against Naomi Osaka. This market will resolve to 'Naomi Osaka' if Naomi Osaka advances against Sara Bejlek. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 17, 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Sara Bejlek and Naomi Osaka in the China Open, originally scheduled for October 3, 2026 at 11:00PM ET. This market will resolve to 'Sara Bejlek' if Sara Bejlek advances against Naomi Osaka. This market will resolve to 'Naomi Osaka' if Naomi Osaka advances against Sara Bejlek. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 17, 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 WTA Tour. A consensus of credible reporting may also be used.
Typically, prediction market odds reflect the wisdom of the crowd, often aligning closely with sportsbook odds, but sometimes diverging based on information advantages or differing opinions among traders. Sportsbooks set initial lines based on their own analysis, while this market allows anyone to trade based on their own insights. If there's a significant difference, it might indicate that market participants believe a sportsbook has mispriced the probability of a particular outcome. However, it’s important to remember that both represent probabilities, and neither guarantees the actual result of the match.
This market resolves around Oct 11, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the China Open match between Sara Bejlek and Naomi Osaka. The platform will verify the winner through official tournament results and reporting. Traders holding shares in the winning outcome will be paid out according to the final share price at the time of resolution, while those holding shares in the losing outcome will forfeit their investment.
Several factors could influence the price of shares in this market. Any news regarding player form, injuries, or changes in playing conditions could significantly shift trader sentiment. Unexpected results in earlier rounds of the China Open, or even broader tennis news, could also impact the perceived probabilities. Furthermore, significant trading volume from informed participants could also drive price movements. Monitoring these signals will be crucial for anyone looking to trade in this market before it resolves.