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 23, 12:15 AM EST
Polymarket
This market refers to the tennis match between Sandugash Kenzhibayeva and Ekaterina Tupitsyna in the ITF Women Astana, originally scheduled for July 16, 2026 at 12:15AM ET. This market will resolve to 'Sandugash Kenzhibayeva' if Sandugash Kenzhibayeva advances against Ekaterina Tupitsyna. This market will resolve to 'Ekaterina Tupitsyna' if Ekaterina Tupitsyna advances against Sandugash Kenzhibayeva. 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 Sandugash Kenzhibayeva and Ekaterina Tupitsyna in the ITF Women Astana, originally scheduled for July 16, 2026 at 12:15AM ET. This market will resolve to 'Sandugash Kenzhibayeva' if Sandugash Kenzhibayeva advances against Ekaterina Tupitsyna. This market will resolve to 'Ekaterina Tupitsyna' if Ekaterina Tupitsyna advances against Sandugash Kenzhibayeva. 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 on distinct mechanisms. Sportsbooks set odds based on internal models and manage risk by adjusting lines to balance action. Prediction markets, by contrast, derive prices from real-time supply and demand among traders—essentially a crowd-sourced probability. This market reflects what thousands of independent participants believe will happen, often incorporating information faster than sportsbooks update their lines. Both venues aim to price accurately, but prediction markets can sometimes offer sharper or more responsive odds, especially for niche events where sportsbook liquidity is thin.
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. When you buy shares representing one outcome, the price rises; selling pushes it down. The current market price reflects the equilibrium between buyers and sellers at any moment. Traders profit by correctly predicting the match result, and the incentive to capture that profit keeps prices aligned with genuine expectations. As new information emerges—such as player fitness updates or court conditions—traders adjust their positions, and prices move accordingly.
This market resolves around Jul 23, 2026, once the ITF Astana match between Kenzhibayeva and Tupitsyna is completed and the result is verified against credible public sources. The outcome is determined by which player wins the match according to official tournament records. No ambiguity exists in tennis match results—there is a clear winner and loser. Once the match concludes and the result is confirmed through standard sports reporting channels, the market settles and traders' positions are finalized based on their predictions.
Several factors could shift trader sentiment before the match concludes. Recent performance by either player—wins, losses, or dominant displays in prior rounds—often triggers price movement as participants reassess form. Injury announcements or fitness concerns about either competitor can cause sharp repricing. Court conditions, weather, and draw positioning also influence expectations. Head-to-head history between the two players may become relevant as traders dig into matchup dynamics. Media coverage highlighting a player's momentum or psychological edge can sway the market. Ultimately, any credible information suggesting one player is more or less likely to win will prompt traders to adjust their positions and move prices.