TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 15, 2:00 AM EST
Polymarket
This market refers to the tennis match between Georgina Hays and Maddalena Giordano in the ITF Women Don Benito, originally scheduled for July 8, 2026 at 2:00AM ET. This market will resolve to 'Georgina Hays' if Georgina Hays advances against Maddalena Giordano. This market will resolve to 'Maddalena Giordano' if Maddalena Giordano advances against Georgina Hays. 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 Georgina Hays and Maddalena Giordano in the ITF Women Don Benito, originally scheduled for July 8, 2026 at 2:00AM ET. This market will resolve to 'Georgina Hays' if Georgina Hays advances against Maddalena Giordano. This market will resolve to 'Maddalena Giordano' if Maddalena Giordano advances against Georgina Hays. 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 serve different purposes and audiences. Sportsbooks set odds to balance action and manage risk, incorporating their own margins. Prediction markets like this one aggregate trader beliefs through continuous price discovery, sometimes reflecting sharper or more current information. Neither is inherently more accurate, but comparing the two can reveal where professional bettors and retail traders disagree on likelihood. Tracking both sources helps identify potential value or consensus shifts in real time.
On Polymarket, traders set the price of this market through an automated market maker that adjusts odds based on buy and sell volume. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current implied probability reflects the collective assessment of all active traders at any given moment. As more capital flows toward one outcome, the price moves to incentivize balanced trading. This continuous repricing mechanism means odds can shift rapidly in response to new information, breaking news, or shifts in trader conviction about the match result.
This market resolves around Jul 15, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winning shares will be determined by the actual result of the match between Hays and Giordano. Traders holding shares in the correct outcome receive their payout, while incorrect positions expire worthless. Resolution timing may shift slightly if the match is postponed or rescheduled, but the platform will update the deadline accordingly.
Several factors could shift odds before this market closes. Injury reports or player withdrawals would trigger sharp repricing. Recent tournament results, head-to-head records, or court-surface performance data often prompt trader repositioning. Weather conditions on match day and real-time score updates during play can cause significant momentum swings. Media coverage highlighting form or confidence in either player may also influence sentiment. Early match action—breaks of serve, set outcomes—typically drives the largest price moves as traders update their conviction based on live performance.