TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 21, 8:00 PM EST
Polymarket
This market refers to the tennis match between Matthew Dellavedova and Jeremy Zhang in the ITF Men Brisbane, originally scheduled for July 14, 2026 at 8:00PM ET. This market will resolve to 'Matthew Dellavedova' if Matthew Dellavedova advances against Jeremy Zhang. This market will resolve to 'Jeremy Zhang' if Jeremy Zhang 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 Jeremy Zhang in the ITF Men Brisbane, originally scheduled for July 14, 2026 at 8:00PM ET. This market will resolve to 'Matthew Dellavedova' if Matthew Dellavedova advances against Jeremy Zhang. This market will resolve to 'Jeremy Zhang' if Jeremy Zhang 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.
Prediction market odds and traditional sportsbook odds often diverge because they reflect different mechanisms. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets aggregate trader beliefs through continuous price discovery. For this market, the prediction market price may lead or lag sportsbook odds depending on information flow and trader positioning. Comparing the two can reveal arbitrage opportunities or highlight where professional bettors and casual traders disagree on the likely outcome. Both sources offer value, but they serve different purposes in assessing match probabilities.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probability estimates. 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 current price of a winning share reflects the crowd's consensus likelihood. As more traders buy or sell, the price adjusts to balance supply and demand. This mechanism ensures transparent, friction-free pricing without a traditional oddsmaker. The market's price history is visible on the dashboard, allowing you to see how confidence has shifted over time.
This market resolves around Jul 22, 2026, once the ITF Brisbane match between the two players concludes and the result is verifiable from credible public sources. The outcome is determined by the official match result—specifically, which player wins the completed fixture. Until that point, the market remains open for trading, and prices may fluctuate based on news, player form, or other relevant developments. Resolution is automatic once the event is confirmed, and winning shares are credited to holders.
Several factors could shift prices before the match concludes. Player injury reports or withdrawal announcements would trigger sharp moves, as would recent performance data or head-to-head records becoming public. Court conditions, weather forecasts, and betting patterns on external sportsbooks may also influence trader sentiment. News coverage, expert commentary, or changes in player rankings could sway confidence. During the match itself, live scoring updates and momentum swings typically drive the most dramatic price movements. Monitoring these catalysts helps traders anticipate market direction and identify trading opportunities.