TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 28, 4:34 AM EST
Polymarket
This market refers to the tennis match between Haruka Kaji and Emerson Jones in the Jingshan, originally scheduled for September 28, 2026 at 2:00AM ET. This market will resolve to 'Haruka Kaji' if Haruka Kaji advances against Emerson Jones. This market will resolve to 'Emerson Jones' if Emerson Jones advances against Haruka Kaji. 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Haruka Kaji and Emerson Jones in the Jingshan, originally scheduled for September 28, 2026 at 2:00AM ET. This market will resolve to 'Haruka Kaji' if Haruka Kaji advances against Emerson Jones. This market will resolve to 'Emerson Jones' if Emerson Jones advances against Haruka Kaji. 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 WTA Tour. A consensus of credible reporting may also be used.
Typically, prediction market odds reflect a wisdom-of-the-crowd perspective, often differing from initial sportsbook offerings. Sportsbooks set lines to balance action and incorporate a profit margin, while this market relies on traders directly expressing their beliefs about the outcome. Early on, sportsbooks might have a stronger influence, but as more information becomes available and trading volume increases, this market tends to become more efficient and potentially more accurate. It’s common to see discrepancies, especially if there's significant public information that isn't fully priced into the sportsbook lines.
On Polymarket, this market is priced using a continuous double auction. Traders buy and sell shares representing their belief in a particular outcome. The price of a share directly reflects the probability of that outcome occurring, as perceived by the market participants. 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 emerges, the prices adjust to reflect the collective wisdom. The market's efficiency is driven by the incentive for traders to accurately assess the probability of the fight's outcome and profit from correctly predicting the result.
This market resolves around Oct 5, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result declared by the relevant sporting authority for the Kaji vs Jones fight. The platform will verify the result against widely available and trusted sources to determine the winning outcome. 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 significantly impact this market. Any news regarding fighter injuries, changes in training regimens, or even pre-fight press conference dynamics could shift trader sentiment. Unexpected announcements about weight class changes or rule adjustments could also influence the odds. Public opinion, as reflected in polls or expert analysis, can also play a role, though this market is driven by actual trading activity rather than solely relying on external predictions. Major shifts in betting volume leading up to Oct 5, 2026 are also a key indicator of changing expectations.