TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 14, 6:00 AM EST
Polymarket
This market refers to the tennis match between Mark Ceban and Jamie Mackenzie in the Wimbledon Juniors, Boys, originally scheduled for July 7, 2026 at 6:00AM ET. This market will resolve to 'Mark Ceban' if Mark Ceban advances against Jamie Mackenzie. This market will resolve to 'Jamie Mackenzie' if Jamie Mackenzie advances against Mark Ceban. 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Mark Ceban and Jamie Mackenzie in the Wimbledon Juniors, Boys, originally scheduled for July 7, 2026 at 6:00AM ET. This market will resolve to 'Mark Ceban' if Mark Ceban advances against Jamie Mackenzie. This market will resolve to 'Jamie Mackenzie' if Jamie Mackenzie advances against Mark Ceban. 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 ATP Tour. A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and protect their margins, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. This market's odds may move faster or more dramatically than traditional sportsbooks during breaking news or shifts in player form. Comparing the two can reveal whether one venue undervalues or overvalues either competitor relative to the other.
On Polymarket, traders set the odds by buying and selling outcome shares in an automated market maker. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective assessment of all participants, with shares trading between 0 and 100 cents based on perceived probability. As new information emerges—injury reports, recent match results, or player momentum—traders adjust their positions, causing the price to shift in real time. The spread between bid and ask prices reflects liquidity and uncertainty at any given moment.
This market resolves around Jul 14, 2026, once the match concludes and the winner is verified against credible public sources. The outcome is determined by the official result recorded by Wimbledon and major sports reporting outlets. Until that point, prices will fluctuate as traders weigh available evidence about player form, head-to-head records, and tournament conditions. Early resolution is possible if either competitor withdraws before play begins.
Key catalysts include recent tournament performances by both players, any injury announcements or fitness updates, changes in court conditions or weather forecasts, and head-to-head matchup history. Draws and seeding announcements can also shift expectations. Media coverage highlighting one player's form or momentum may trigger sharp price moves as traders react to new narratives. Betting activity from informed participants—such as professional sports analysts or those with insider knowledge of player conditions—often signals directional conviction and can accelerate price swings leading up to the match.