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: Jul 22, 4:00 AM EST
Polymarket
This market refers to the tennis match between Tessa Johanna Brockmann and Josy Daems in the ITF Women Darmstadt, originally scheduled for July 15, 2026 at 4:00AM ET. This market will resolve to 'Tessa Johanna Brockmann' if Tessa Johanna Brockmann advances against Josy Daems. This market will resolve to 'Josy Daems' if Josy Daems advances against Tessa Johanna Brockmann. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Tessa Johanna Brockmann and Josy Daems in the ITF Women Darmstadt, originally scheduled for July 15, 2026 at 4:00AM ET. This market will resolve to 'Tessa Johanna Brockmann' if Tessa Johanna Brockmann advances against Josy Daems. This market will resolve to 'Josy Daems' if Josy Daems advances against Tessa Johanna Brockmann. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds and traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and protect their margin, while prediction markets aggregate the collective beliefs of traders risking real capital. This market may show odds that differ from major sportsbooks, particularly if one venue attracts more informed or specialized bettors. Comparing the two can reveal where consensus is strongest and where outlier views exist, though neither is inherently more accurate.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the price of each share reflects the current implied probability. As more traders buy or sell a particular outcome, the price adjusts algorithmically to balance supply and demand. This mechanism ensures transparent, friction-reduced pricing and allows traders to enter or exit positions at any time before the market closes.
This market resolves around Jul 22, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winning shares will be determined by the official result of the match. Traders holding shares in the correct outcome will receive their payout, while incorrect positions expire worthless. Resolution typically occurs within hours of the final result being published by recognized tennis authorities.
Several factors can shift odds in this market before it resolves. Recent form and head-to-head records between the two players often influence trader sentiment. Injury announcements, court surface conditions, or weather updates closer to match day can trigger sharp repricing. News coverage and expert commentary may also sway perception of each player's chances. In the hours immediately before the match, late-breaking information—such as lineup confirmations or player statements—typically generates the most volatile price swings as traders react to fresh data.