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 22, 11:30 AM EST
Polymarket
This market refers to the tennis match between Jonah Braswell and Michael Antonius in the ITF Men Rochester, originally scheduled for July 15, 2026 at 11:30AM ET. This market will resolve to 'Jonah Braswell' if Jonah Braswell advances against Michael Antonius. This market will resolve to 'Michael Antonius' if Michael Antonius advances against Jonah Braswell. 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 Jonah Braswell and Michael Antonius in the ITF Men Rochester, originally scheduled for July 15, 2026 at 11:30AM ET. This market will resolve to 'Jonah Braswell' if Jonah Braswell advances against Michael Antonius. This market will resolve to 'Michael Antonius' if Michael Antonius advances against Jonah Braswell. 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 lock in profit margins, while prediction markets like Polymarket rely on traders staking real capital on outcomes they believe will occur. Prediction markets can sometimes price events more accurately over time because traders face direct financial consequences for mispricing. However, sportsbooks may move faster on breaking news or have sharper professional traders. Comparing the two can reveal where public opinion and professional oddsmakers disagree on this match.
On Polymarket, this market is priced through an automated market maker that adjusts odds continuously based on buy and sell orders from traders. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade at prices between 0 and 1 dollar, with the sum of all outcome prices equaling 1 dollar. When traders buy shares they believe are underpriced, the price rises; when they sell, it falls. This mechanism ensures the market price always reflects the collective belief of active traders about the match result, with no central authority setting the odds.
This market resolves around Jul 22, 2026, once the Braswell vs Antonius match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result as recorded by the ITF and confirmed through established tennis databases or news sources. Traders holding shares in the winning outcome receive their payout, while losing positions expire worthless. Until that point, prices will fluctuate based on player form, court conditions, and other factors that traders believe influence the final result.
Several catalysts could shift prices significantly before the match takes place. Injury announcements or withdrawal news for either player would trigger sharp repricing. Recent tournament results, ranking changes, or head-to-head records may prompt traders to reassess win probabilities. Court surface preferences, weather forecasts for match day, and draws in related ITF events can all influence sentiment. Media coverage highlighting one player's form or confidence could also sway the market. Traders monitor these signals closely and adjust positions accordingly, making this market a real-time reflection of evolving expectations around the matchup.