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 31, 1:05 AM EST
Polymarket
This market refers to the tennis match between Matthew Dellavedova and Mustafa Ege Sik in the ITF Men Brisbane, originally scheduled for July 30, 2026 at 9:00PM ET. This market will resolve to 'Matthew Dellavedova' if Matthew Dellavedova advances against Mustafa Ege Sik. This market will resolve to 'Mustafa Ege Sik' if Mustafa Ege Sik advances against Matthew Dellavedova. 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 Matthew Dellavedova and Mustafa Ege Sik in the ITF Men Brisbane, originally scheduled for July 30, 2026 at 9:00PM ET. This market will resolve to 'Matthew Dellavedova' if Matthew Dellavedova advances against Mustafa Ege Sik. This market will resolve to 'Mustafa Ege Sik' if Mustafa Ege Sik advances against Matthew Dellavedova. 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.
On sportsbooks, lines are often set by oddsmakers who factor in house margins and broader market trends. In contrast, prediction markets like this one let traders bet directly on outcomes, creating prices that reflect real-time participant sentiment. Because of this direct trader input, you might see sharper shifts in odds as new information emerges, or gaps compared to traditional sportsbook lines that include built-in overrounds. The difference can be especially noticeable for niche matches where public betting patterns diverge from sharp market behavior.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders determine prices through continuous bidding and asking, with the current top outcome reflecting the aggregate of all open bets. The market’s implied probability adjusts instantly to new trades, so shifts in trader confidence or volume changes can move the price quickly. For this market, the leading outcome currently shows a strong edge, but liquidity and recent trade size also help set where the market finds equilibrium. As the event draws nearer, smaller trades can have outsized effects on the displayed odds.
This market resolves around Aug 7, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is based on the official match conclusion, and the market will close to reflect the final, confirmed score or winner.
Key updates such as player injuries, changes to the match schedule, or weather disruptions could shift trader sentiment and move this market. Performance metrics from recent practice sessions, media interviews indicating confidence levels, and any last-minute seeding adjustments may also influence odds. As Aug 7, 2026 approaches, any news that alters the perceived likelihood of each player prevailing will be reflected almost immediately in trading activity, especially given the tight timeframe for bets to close out before resolution.