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 25, 4:00 AM EST
Polymarket
This market refers to the tennis match between Toufik Sahtali and Charles Bertimon in the ITF Men Monastir, originally scheduled for July 18, 2026 at 4:00AM ET. This market will resolve to 'Toufik Sahtali' if Toufik Sahtali advances against Charles Bertimon. This market will resolve to 'Charles Bertimon' if Charles Bertimon 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 Charles Bertimon in the ITF Men Monastir, originally scheduled for July 18, 2026 at 4:00AM ET. This market will resolve to 'Toufik Sahtali' if Toufik Sahtali advances against Charles Bertimon. This market will resolve to 'Charles Bertimon' if Charles Bertimon 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 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 the collective beliefs of traders risking real capital on outcomes. This market aggregates trader conviction without the sportsbook's built-in margin, potentially offering sharper probability estimates. However, sportsbooks may incorporate faster-moving information or specialized analytics. Comparing both sources can reveal where consensus is strongest and where outlier views persist.
On Polymarket, this market is priced through an automated market maker that calculates odds based on the ratio of shares held in each outcome pool. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy or sell shares to express their view, and the price adjusts dynamically as the pool composition changes. Higher trading volume typically narrows spreads and improves price efficiency. The platform displays the current implied probability for each outcome, making it easy to see what the market is pricing in at any moment.
This market resolves around Jul 25, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome will reflect the official winner of the tennis match between the two competitors. Until that point, traders can adjust positions as new information becomes available. Resolution is typically confirmed within hours of the final point, allowing the market to settle and payouts to be distributed to holders of the winning outcome shares.
Several factors could shift odds before the match concludes. Player injury announcements or withdrawal news would trigger sharp repricing. Court conditions, weather, and surface type may favor one competitor over the other. Recent tournament results, head-to-head records, and current form updates often prompt trader activity. Betting patterns from professional syndicates or sharp money can also move the line. Real-time match developments—such as early set outcomes or momentum shifts—typically generate the most volatile price swings as traders update their expectations based on live performance.