TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 22, 4:30 AM EST
Polymarket
This market refers to the tennis match between Yassine Smiej and Seydina Andre in the ITF Men Monastir, originally scheduled for July 15, 2026 at 4:30AM ET. This market will resolve to 'Yassine Smiej' if Yassine Smiej advances against Seydina Andre. This market will resolve to 'Seydina Andre' if Seydina Andre advances against Yassine Smiej. 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 Yassine Smiej and Seydina Andre in the ITF Men Monastir, originally scheduled for July 15, 2026 at 4:30AM ET. This market will resolve to 'Yassine Smiej' if Yassine Smiej advances against Seydina Andre. This market will resolve to 'Seydina Andre' if Seydina Andre advances against Yassine Smiej. 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 pricing mechanisms. Sportsbooks set lines to balance action and protect their margin, while prediction markets like this one are priced by traders competing to forecast the true outcome. Prediction markets can sometimes offer sharper, more efficient pricing because traders have direct financial incentive to correct mispricings. However, sportsbooks may move faster on breaking news. Comparing the two can reveal where professional and retail sentiment differ on this match.
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 are bought and sold continuously, and the price of each share reflects the collective belief in that outcome's likelihood. As traders place bets, the price adjusts automatically to balance supply and demand, creating a dynamic odds feed that updates throughout the trading day.
This market resolves around Jul 22, 2026, once the match concludes and the result is verified against credible public sources. The outcome will be confirmed based on the official match result recorded by the ITF and reported through established sports data providers. Until that time, traders can continue to buy and sell shares as new information—such as player form, injuries, or court conditions—becomes available.
Several factors could shift trader sentiment before the match takes place. Injury announcements or withdrawal news involving either player would trigger sharp repricing. Recent tournament results, head-to-head records, and surface performance data often influence trading activity. Court conditions, weather forecasts, and player ranking changes can also sway the odds. Media coverage and expert commentary may prompt traders to reassess their positions. Any official ITF updates or scheduling changes would likely spark renewed trading volume as the market recalibrates.