TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 23, 1:15 AM EST
Polymarket
This market refers to the tennis match between Victoria Milovanova and Aiya Nupbay in the ITF Women Astana, originally scheduled for July 16, 2026 at 1:15AM ET. This market will resolve to 'Victoria Milovanova' if Victoria Milovanova advances against Aiya Nupbay. This market will resolve to 'Aiya Nupbay' if Aiya Nupbay advances against Victoria Milovanova. 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 Victoria Milovanova and Aiya Nupbay in the ITF Women Astana, originally scheduled for July 16, 2026 at 1:15AM ET. This market will resolve to 'Victoria Milovanova' if Victoria Milovanova advances against Aiya Nupbay. This market will resolve to 'Aiya Nupbay' if Aiya Nupbay advances against Victoria Milovanova. 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 odds to balance their book and lock in profit margins, while prediction markets aggregate the collective beliefs of traders risking real capital. This market may show materially different probabilities than traditional sports betting sites, especially if professional bettors or informed traders have identified edges that casual sportsbook users have not yet priced in.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probability quotes. Each outcome has a price between 0 and 1 (or 0% to 100%), and traders profit by buying low and selling high as new information emerges. The spread between bid and ask prices tightens as volume increases, rewarding active traders who help improve price discovery.
This market resolves around Jul 23, 2026, with the outcome confirmed once the tennis match result is verifiable from credible public reporting. The winner of the ITF Astana event between these two players will be determined by the official match result. Until that time, traders can continue to buy and sell shares based on their assessment of each player's chances.
Key catalysts include recent player form, head-to-head records, court surface performance history, and injury updates. Tournament seeding announcements, warm-up match results, and betting line movements at major sportsbooks often precede prediction market shifts. Social media sentiment, expert commentary, and real-time match statistics during warm-ups can also trigger sharp repricing as traders incorporate new information into their probability estimates.