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 23, 4:00 AM EST
Polymarket
This market refers to the tennis match between Toufik Sahtali and Karim Mabrouk in the ITF Men Monastir, originally scheduled for July 16, 2026 at 4:00AM ET. This market will resolve to 'Toufik Sahtali' if Toufik Sahtali advances against Karim Mabrouk. This market will resolve to 'Karim Mabrouk' if Karim Mabrouk advances against Toufik Sahtali. 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 Toufik Sahtali and Karim Mabrouk in the ITF Men Monastir, originally scheduled for July 16, 2026 at 4:00AM ET. This market will resolve to 'Toufik Sahtali' if Toufik Sahtali advances against Karim Mabrouk. This market will resolve to 'Karim Mabrouk' if Karim Mabrouk advances against Toufik Sahtali. 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 markets and traditional sportsbooks price events differently because they operate under distinct mechanisms. Sportsbooks set odds based on internal models and manage risk through margin; prediction markets aggregate trader beliefs through continuous price discovery. This market reflects what thousands of participants collectively believe will happen, which often incorporates information faster than traditional venues update their lines. Comparing this market's implied probability to major sportsbook odds can reveal where consensus diverges, helping you identify potential value or validate your own analysis before placing a position.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price you see reflects the current balance of buy and sell interest; as more traders back one outcome, its probability rises and the opposing outcome falls. You can enter or exit positions at any time before Jul 23, 2026, with your trade size influencing the price you receive. Larger orders move the price more significantly, so checking the order book depth helps you understand potential slippage on your intended trade size.
This market resolves around Jul 23, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome is determined by the official match result—which player wins the ITF Monastir event. Your position will settle automatically based on the confirmed winner, with payouts distributed to holders of the correct outcome. Until that point, you can trade your position freely, allowing you to lock in gains, cut losses, or adjust your exposure as new information emerges.
Several factors can shift trader sentiment and move prices before the match begins. Recent player form, head-to-head records, court surface preference, and injury reports all influence how traders reassess the probabilities. Tournament momentum—how each player performed in earlier rounds—often triggers repricing as bettors update their models. Weather conditions, player confidence statements, or lineup changes announced close to match time can also spark rapid trading activity. Monitoring sports news and player social media in the days leading up to the event helps you stay ahead of market-moving developments.