TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 24, 5:00 AM EST
Polymarket
This market refers to the tennis match between Maxwell Mckennon and Pavlos Tsitsipas in the ITF Men Castelo Branco, originally scheduled for July 17, 2026 at 5:00AM ET. This market will resolve to 'Maxwell Mckennon' if Maxwell Mckennon advances against Pavlos Tsitsipas. This market will resolve to 'Pavlos Tsitsipas' if Pavlos Tsitsipas advances against Maxwell Mckennon. 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 Maxwell Mckennon and Pavlos Tsitsipas in the ITF Men Castelo Branco, originally scheduled for July 17, 2026 at 5:00AM ET. This market will resolve to 'Maxwell Mckennon' if Maxwell Mckennon advances against Pavlos Tsitsipas. This market will resolve to 'Pavlos Tsitsipas' if Pavlos Tsitsipas advances against Maxwell Mckennon. 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 beliefs of traders risking real capital on outcomes. For this market, prediction market participants may price the match differently than sportsbooks if they have superior information, different risk assessments, or if one venue attracts more informed traders. Comparing the two can reveal where consensus is strongest and where sharp disagreement exists, helping you identify potential value.
On Polymarket, this market is priced through an automated market maker mechanism where traders buy and sell shares representing each outcome. 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 probability assigned by all active traders; as more capital flows toward one outcome, its price rises and the competing outcome's price falls. You can enter or exit positions at any time during the trading window, and your trade size influences the price you receive. This continuous pricing model ensures liquidity and allows real-time discovery of what the market believes will happen.
This market resolves around Jul 24, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official match result—specifically, which player wins the ITF Castelo Branco event. Traders holding shares in the winning outcome will receive their payout, while shares in the losing outcome expire worthless. Until that time, prices will fluctuate based on player form, injury reports, betting action, and other factors that influence perceived match probability.
Several catalysts could shift prices before resolution. Injury announcements or withdrawal news involving either player would trigger sharp repricing. Recent tournament results, ranking changes, or head-to-head record updates may influence trader confidence. Court surface conditions, weather forecasts, and scheduling delays can also matter in tennis. Media coverage highlighting one player's form or momentum, as well as betting action from professional syndicates, often moves prediction markets. Closer to the match date, late-breaking news about player fitness or mental state could cause rapid price swings. Monitor these signals to anticipate how this market may evolve.