TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 24, 8:00 AM EST
Polymarket
This market refers to the tennis match between Anastasia Zakharova and Tatiana Prozorova in the Istanbul 2, originally scheduled for July 17, 2026 at 8:00AM ET. This market will resolve to 'Anastasia Zakharova' if Anastasia Zakharova advances against Tatiana Prozorova. This market will resolve to 'Tatiana Prozorova' if Tatiana Prozorova advances against Anastasia Zakharova. 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Anastasia Zakharova and Tatiana Prozorova in the Istanbul 2, originally scheduled for July 17, 2026 at 8:00AM ET. This market will resolve to 'Anastasia Zakharova' if Anastasia Zakharova advances against Tatiana Prozorova. This market will resolve to 'Tatiana Prozorova' if Tatiana Prozorova advances against Anastasia Zakharova. 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 WTA Tour. A consensus of credible reporting may also be used.
Prediction market odds and traditional sportsbook odds often diverge because they reflect different incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets price outcomes based on what traders actually believe will happen. In many cases, prediction markets have outperformed sportsbooks at forecasting sports results because traders have real money at stake and face no house edge. However, sportsbooks may move faster on breaking news or injury reports. Comparing this market's odds to major sportsbook lines can reveal where the two venues disagree most sharply—a useful signal for identifying undervalued or overvalued outcomes.
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 trade continuously, and the current price of a share reflects the implied odds. As more traders buy one outcome, its price rises and the competing outcome's price falls, keeping the total always equal to one dollar. This mechanism ensures tight spreads and deep liquidity, allowing you to enter or exit positions without moving the price dramatically. The system rewards accurate forecasters and penalizes poor predictions through profit and loss.
This market resolves around Jul 24, 2026, once the event concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result, ensuring all traders are judged against the same factual record. Until that date, prices will continue to fluctuate as new information emerges and traders update their forecasts. Early resolution is possible if the event is cancelled or postponed, though the market will remain open as long as uncertainty persists. Traders should monitor official announcements and credible sports news sources for any developments that might affect the final outcome.
Several catalysts could shift prices significantly before Jul 24, 2026. Injury announcements, fighter statements, or training footage could alter perceptions of either competitor's form or readiness. Weigh-in results, recent performance updates, or changes in betting odds at major sportsbooks often trigger repricing on prediction markets. Media coverage and expert commentary can sway trader sentiment, especially if respected analysts release new analysis or predictions. Unexpected withdrawals or rule changes would also move the market sharply. Traders should stay alert to official event communications and follow credible sports journalists to catch developments early, as markets typically react quickly to verified information.