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, 12:30 AM EST
Polymarket
This market refers to the tennis match between Ekaterina Tupitsyna and Aiya Nupbay in the ITF Women Astana, originally scheduled for July 9, 2026 at 12:30AM ET. This market will resolve to 'Ekaterina Tupitsyna' if Ekaterina Tupitsyna advances against Aiya Nupbay. This market will resolve to 'Aiya Nupbay' if Aiya Nupbay advances against Ekaterina Tupitsyna. 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 Ekaterina Tupitsyna and Aiya Nupbay in the ITF Women Astana, originally scheduled for July 9, 2026 at 12:30AM ET. This market will resolve to 'Ekaterina Tupitsyna' if Ekaterina Tupitsyna advances against Aiya Nupbay. This market will resolve to 'Aiya Nupbay' if Aiya Nupbay advances against Ekaterina Tupitsyna. 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 manage risk, while prediction markets aggregate trader beliefs through continuous price discovery. This market may show higher or lower implied probabilities than traditional sports betting sites, depending on information flow and liquidity. Comparing the two can reveal where professional bettors and decentralized traders disagree on the likely outcome.
On Polymarket, traders set the odds by buying and selling outcome shares in an automated market maker (AMM) pool. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the aggregate belief of all participants; as more traders back one outcome, its price rises and the implied probability adjusts upward. You can enter or exit positions at any time before the market closes, and the AMM ensures continuous liquidity based on the current pool balance and trading volume.
This market resolves around Jul 16, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution hinges on the official result of the match—which player wins the contest. Once the ITF Astana tournament publishes the final score and winner, the market will settle accordingly, paying out shares of the winning outcome at full value and expiring shares of the losing outcome at zero.
Key catalysts include recent player performance data, head-to-head records, injury reports, and court conditions at the venue. Shifts in training form, player rankings, or public betting patterns on other platforms can also influence trader sentiment. News about either competitor's fitness, mental state, or preparation level may trigger repricing. As the match date approaches, late-breaking information—such as lineup confirmations or weather updates—typically drives final adjustments in this market's odds.