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 21, 4:10 PM EST
Polymarket
This market refers to the tennis match between Tighe Brunetti and Nikita Samuel Filin in the ITF Men Champaign, originally scheduled for July 21, 2026 at 2:15PM ET. This market will resolve to 'Tighe Brunetti' if Tighe Brunetti advances against Nikita Samuel Filin. This market will resolve to 'Nikita Samuel Filin' if Nikita Samuel Filin advances against Tighe Brunetti. 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 Tighe Brunetti and Nikita Samuel Filin in the ITF Men Champaign, originally scheduled for July 21, 2026 at 2:15PM ET. This market will resolve to 'Tighe Brunetti' if Tighe Brunetti advances against Nikita Samuel Filin. This market will resolve to 'Nikita Samuel Filin' if Nikita Samuel Filin advances against Tighe Brunetti. 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 aggregate trader beliefs through continuous price discovery. For this market, comparing the prediction market probability to traditional sportsbook spreads can reveal whether one venue undervalues or overvalues a particular outcome. Traders often exploit these gaps, making prediction markets a useful benchmark for identifying mispriced expectations relative to conventional betting venues.
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 reflects the cumulative belief of all active traders. As more capital flows into one outcome, its price rises and the opposing outcome's price falls, maintaining a zero-sum dynamic. This mechanism ensures transparent, liquid pricing without a traditional bookmaker setting fixed odds.
This market resolves around Jul 28, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result—whether Brunetti or Filin wins the ITF Champaign event. Traders holding shares in the winning outcome receive their payout, while losing positions expire worthless. Resolution typically occurs within hours of the final point, pending confirmation from the tournament organizers and official tennis databases.
Several factors can shift trader sentiment before the match. Recent player form, head-to-head records, and injury reports are primary catalysts. Court conditions, weather, and draw positioning also influence expectations. Social media commentary, expert analysis, and betting action on other platforms can create momentum. If either player withdraws or a significant news story breaks—such as a coaching change or unexpected ranking shift—the market will reprice sharply. Live trading during the match itself can also cause rapid swings as points are played and momentum becomes visible.