TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 14, 4:30 AM EST
Polymarket
This market refers to the tennis match between Preston Brown and Marc Van Der Merwe in the ITF Men Hillcrest, originally scheduled for July 7, 2026 at 4:30AM ET. This market will resolve to 'Preston Brown' if Preston Brown advances against Marc Van Der Merwe. This market will resolve to 'Marc Van Der Merwe' if Marc Van Der Merwe advances against Preston Brown. 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 Preston Brown and Marc Van Der Merwe in the ITF Men Hillcrest, originally scheduled for July 7, 2026 at 4:30AM ET. This market will resolve to 'Preston Brown' if Preston Brown advances against Marc Van Der Merwe. This market will resolve to 'Marc Van Der Merwe' if Marc Van Der Merwe advances against Preston Brown. 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 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 beliefs of traders risking real capital on outcomes. This market may show a different implied probability than traditional sports betting sites, particularly as new information emerges or if one venue attracts more sophisticated traders. Comparing the two can reveal where consensus is strongest and where outlier views persist.
On Polymarket, traders set the odds by buying and selling outcome shares in an automated market maker pool. 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 belief about which player will win, with the total of all outcome prices always summing to one dollar. As more traders enter, prices adjust to balance supply and demand. This continuous repricing mechanism ensures the market stays responsive to new information and trader conviction throughout the event window.
This market resolves around Jul 14, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official winner of the ITF Hillcrest event between the two competitors. Resolution typically occurs shortly after the match ends, pending confirmation from the tournament organizer or established sports data providers. Traders should monitor the event schedule to anticipate the resolution window.
Player form and recent match results are key catalysts—a string of wins or losses by either competitor can shift trader confidence significantly. Injury reports or withdrawal announcements would trigger sharp repricing, as would changes in court conditions or draw strength at the tournament. Head-to-head history and pre-match commentary from analysts may also influence positioning. As the match date approaches, any official updates from the ITF or news coverage of either player's preparation could prompt notable volume spikes and price adjustments in this market.