TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 28, 7:32 AM EST
Polymarket
This market refers to the tennis match between Ivan Gretskiy and Yu Tanaka in the ITF M15 Astana Men, Qualifying, originally scheduled for July 28, 2026 at 1:00AM ET. This market will resolve to 'Ivan Gretskiy' if Ivan Gretskiy advances against Yu Tanaka. This market will resolve to 'Yu Tanaka' if Yu Tanaka advances against Ivan Gretskiy. 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 Ivan Gretskiy and Yu Tanaka in the ITF M15 Astana Men, Qualifying, originally scheduled for July 28, 2026 at 1:00AM ET. This market will resolve to 'Ivan Gretskiy' if Ivan Gretskiy advances against Yu Tanaka. This market will resolve to 'Yu Tanaka' if Yu Tanaka advances against Ivan Gretskiy. 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 in this market often differ from traditional sportsbook lines due to trader-driven pricing and unique betting mechanics. On Polymarket, odds reflect aggregated user sentiment and can shift rapidly based on new information, trading volume, and in-play dynamics. Sportsbook odds, set by professional oddsmakers, generally incorporate broader market data and risk management practices, often resulting in slightly different implied probabilities.
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 a continuous order book where traders buy and sell shares of possible outcomes. The current top outcome reflects the aggregate assessment of all participants, with liquidity and volume influencing how quickly prices adjust to new information or shifts in expectations among active traders.
This market resolves around Aug 4, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match conclusion, and the platform will finalize the market based on that verified data, ensuring alignment with the actual performance on court.
Injuries, changes in player form, or weather conditions could shift this market as they affect expectations for performance. Media updates, practice session reports, and betting trends may also influence trader sentiment, causing price fluctuations ahead of the match. Any new information that alters the perceived likelihood of each outcome can lead to notable movement in this market.