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 22, 1:00 AM EST
Polymarket
This market refers to the tennis match between Sofiia Suslova and Rinko Matsuda in the ITF Women Astana, originally scheduled for July 15, 2026 at 1:00AM ET. This market will resolve to 'Sofiia Suslova' if Sofiia Suslova advances against Rinko Matsuda. This market will resolve to 'Rinko Matsuda' if Rinko Matsuda advances against Sofiia Suslova. 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 Sofiia Suslova and Rinko Matsuda in the ITF Women Astana, originally scheduled for July 15, 2026 at 1:00AM ET. This market will resolve to 'Sofiia Suslova' if Sofiia Suslova advances against Rinko Matsuda. This market will resolve to 'Rinko Matsuda' if Rinko Matsuda advances against Sofiia Suslova. 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 mechanisms. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets price outcomes through continuous trader participation and financial incentives to be accurate. On Polymarket, odds emerge from real-money trading rather than a bookmaker's model, which can lead to sharper or more reactive pricing during breaking news or momentum shifts. Comparing the two can reveal where professional bettors and casual traders disagree, though both aim to reflect true match probabilities over time.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time odds. 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 price of each share reflects the collective probability assigned by all active traders. As more capital flows into one outcome, its price rises and the opposing outcome's price falls, creating a self-balancing system. This mechanism ensures transparent, friction-free pricing without a central bookmaker, and all trades settle directly against the pool rather than against the house.
This market resolves around Jul 22, 2026, once the ITF Astana match between the two players concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result—which player wins the contest. Resolution occurs after the event is complete and confirmed through standard sports data sources, ensuring accuracy and fairness for all traders. Until that point, odds may continue to shift based on pre-match news, player form, or other market-moving information.
Several factors could shift odds before the match concludes. Injury reports or withdrawal announcements involving either player would trigger sharp repricing. Recent tournament results, head-to-head records, or changes in player ranking could influence trader sentiment. Court conditions, weather, or scheduling delays might also prompt recalibration. Social media buzz, expert commentary, or unexpected roster changes in the lead-up to the event can drive volume and volatility. Late-breaking news about player fitness or mental state often produces the most dramatic moves, as traders react to new information that affects perceived match probability.