TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 9, 7:00 AM EST
Polymarket
This market refers to the tennis match between Petra Sedlackova and Martina Capurro Taborda in the ITF Women Stuttgart-Vaihingen, originally scheduled for July 2, 2026 at 7:00AM ET. This market will resolve to 'Petra Sedlackova' if Petra Sedlackova advances against Martina Capurro Taborda. This market will resolve to 'Martina Capurro Taborda' if Martina Capurro Taborda advances against Petra Sedlackova. 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 Petra Sedlackova and Martina Capurro Taborda in the ITF Women Stuttgart-Vaihingen, originally scheduled for July 2, 2026 at 7:00AM ET. This market will resolve to 'Petra Sedlackova' if Petra Sedlackova advances against Martina Capurro Taborda. This market will resolve to 'Martina Capurro Taborda' if Martina Capurro Taborda advances against Petra Sedlackova. 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 like this one are driven purely by trader belief and capital allocation. Prediction markets can sometimes price outcomes more accurately over time because traders face direct financial consequences for mispricing. However, sportsbooks may move faster on breaking news due to dedicated risk management teams. Comparing the two can reveal where consensus differs most sharply.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price reflects the aggregate belief of all active traders at that moment. As new information surfaces—player announcements, weather updates, or betting patterns—traders adjust their positions, which moves the price up or down. The spread between bid and ask prices represents the current liquidity and uncertainty around the match result. Higher trading volume typically narrows spreads and increases price stability.
This market resolves around Jul 9, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result as recorded by the ITF or recognized tennis databases. Resolution occurs after the event is complete and confirmed through standard sports news channels and official tournament records. Traders should monitor the match schedule and any last-minute changes that could affect timing or participation.
Several catalysts could shift odds before the match begins. Player injury announcements or withdrawal news would trigger sharp repricing, as would recent tournament results or head-to-head records becoming public. Court surface conditions, weather forecasts, and betting patterns from other markets can also influence trader sentiment. Lineup confirmations closer to the event date often prompt position adjustments. Media coverage highlighting either player's form or personal circumstances may sway perception. Real-time updates during warm-ups or practice sessions sometimes spark late trading activity as new information emerges.