TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 13, 11:00 AM EST
Polymarket
This market refers to the tennis match between Sayaka Ishii and Kayla Cross in the Newport, originally scheduled for July 6, 2026 at 11:00AM ET. This market will resolve to 'Sayaka Ishii' if Sayaka Ishii advances against Kayla Cross. This market will resolve to 'Kayla Cross' if Kayla Cross advances against Sayaka Ishii. 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 Sayaka Ishii and Kayla Cross in the Newport, originally scheduled for July 6, 2026 at 11:00AM ET. This market will resolve to 'Sayaka Ishii' if Sayaka Ishii advances against Kayla Cross. This market will resolve to 'Kayla Cross' if Kayla Cross advances against Sayaka Ishii. 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 sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets are driven by traders seeking to profit on accurate forecasts. This market aggregates the collective judgment of thousands of independent traders without the vig or house edge built into traditional betting. Comparing the two can reveal where one venue perceives edge relative to the other, though each operates under distinct rules and liquidity conditions.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the aggregate belief of all participants: higher prices mean the crowd views that result as more likely, while lower prices indicate skepticism. You can enter or exit positions at any time before the market closes, and your trades directly influence the odds. The continuous pricing mechanism ensures that this market remains responsive to breaking news, expert commentary, and shifting fighter conditions.
This market resolves around Jul 13, 2026, once the event concludes and the result is verifiable from credible public reporting. The outcome will reflect the official result of the match as confirmed through established boxing authorities and media sources. Until that time, traders can continue to adjust their positions based on pre-fight developments, fighter statements, or any other signals they believe affect the likelihood of each outcome. Resolution is automatic once the event is finalized and the data is confirmed.
Several factors could shift odds before the match takes place. Injury announcements or withdrawal news involving either fighter would trigger sharp repricing. Training camp reports, sparring footage, or statements from coaches and analysts often influence trader sentiment. Weight-in results and official weigh-in ceremonies can reveal physical condition. Media coverage, betting action from sharp bettors, and social media momentum may also sway the crowd. Any change in venue, date, or opponent details would likewise move this market as traders reassess the matchup dynamics.