TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 28, 4:50 AM EST
Polymarket
This market refers to the doubles tennis match between Brooks/Rajecki and Ninomiya/Radisic in the Jingshan, originally scheduled for September 28, 2026 at 2:00AM ET. This market will resolve to 'Brooks/Rajecki' if the team of Brooks/Rajecki advances against Ninomiya/Radisic. This market will resolve to 'Ninomiya/Radisic' if the team of Ninomiya/Radisic advances against Brooks/Rajecki. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 doubles tennis match between Brooks/Rajecki and Ninomiya/Radisic in the Jingshan, originally scheduled for September 28, 2026 at 2:00AM ET. This market will resolve to 'Brooks/Rajecki' if the team of Brooks/Rajecki advances against Ninomiya/Radisic. This market will resolve to 'Ninomiya/Radisic' if the team of Ninomiya/Radisic advances against Brooks/Rajecki. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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.
Prediction market odds often reflect the collective wisdom of informed traders, and can sometimes differ from traditional sportsbook odds. Sportsbooks set lines with a profit margin built in, whereas this market allows participants to directly assess probabilities. Discrepancies can arise due to differing information, biases, or simply varying levels of market efficiency. If a significant difference exists between the implied probability on Polymarket and sportsbook offerings, it may present an opportunity for arbitrage or indicate differing perspectives on the likely result of the Jingshan doubles match.
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. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders participate and new information becomes available, the price adjusts to reflect the evolving consensus. This dynamic pricing ensures that the market accurately represents the collective forecast of the Jingshan doubles match result, based on the information available to traders.
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 Jingshan doubles match between Brooks/Rajecki and Ninomiya/Radisic. The platform will verify the winner against publicly available sources to determine which outcome corresponds to the actual result. Traders holding shares in the winning outcome will be entitled to a payout, while those holding shares in the losing outcome will forfeit their investment.
Several factors could influence the price of shares in this market before Oct 5, 2026. Any news regarding player injuries, changes in playing conditions, or updated match previews from tennis analysts could shift market sentiment. Unexpected results in earlier rounds of the tournament, or even weather forecasts impacting the match schedule, could also cause fluctuations. Furthermore, significant trading activity from well-informed traders or large volume purchases could signal a change in expectations regarding the Jingshan doubles match outcome.