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 16, 4:30 AM EST
Polymarket
This market refers to the tennis match between Tamara Sramkova and Karla Bartel in the ITF Women Monastir, originally scheduled for July 9, 2026 at 4:30AM ET. This market will resolve to 'Tamara Sramkova' if Tamara Sramkova advances against Karla Bartel. This market will resolve to 'Karla Bartel' if Karla Bartel advances against Tamara Sramkova. 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 Tamara Sramkova and Karla Bartel in the ITF Women Monastir, originally scheduled for July 9, 2026 at 4:30AM ET. This market will resolve to 'Tamara Sramkova' if Tamara Sramkova advances against Karla Bartel. This market will resolve to 'Karla Bartel' if Karla Bartel advances against Tamara Sramkova. 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 and participant bases. Sportsbooks set odds to balance liability and lock in profit margins, while prediction markets like this one are priced by traders seeking to profit on their forecasts. Prediction markets can sometimes offer sharper, more efficient pricing because they aggregate dispersed information from many participants with real money at stake. However, sportsbooks may move faster on breaking news or injury reports. Comparing the two can reveal valuable arbitrage opportunities or validate your own view of the match.
On Polymarket, traders set the odds through an automated market maker that adjusts prices based on buy and sell volume. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more shares purchased for a given outcome, the higher its price rises, and vice versa. This mechanism ensures continuous liquidity and reflects the collective belief of all active traders at any moment. Prices converge toward true probability as more information enters the market and traders arbitrage mispricings. The system rewards accurate forecasters and penalizes poor predictions, creating incentives for informed participation.
This market resolves around Jul 16, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will reflect which player wins the ITF Monastir event. Resolution occurs after the match is officially completed and confirmed through established tennis databases and tournament records. Traders holding shares in the winning outcome receive their payout, while losing positions expire worthless. The exact timing may shift slightly if the match is postponed or rescheduled.
Key catalysts include recent player form, head-to-head records, and any injury announcements in the days leading up to the match. Court surface conditions at Monastir and weather forecasts can influence expectations, particularly for players with known strengths or weaknesses on clay. Betting activity from professional traders and sharp money often precedes major price swings. Tournament seeding, draw position, and momentum from earlier rounds also shape trader sentiment. Late-breaking news about player fitness or coaching changes can trigger rapid repricing as new information reaches the market.