TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 20, 5:00 AM EST
Polymarket
This market refers to the tennis match between Qinwen Zheng and Jessica Bouzas Maneiro in the Athens Open, originally scheduled for July 13, 2026 at 5:00AM ET. This market will resolve to 'Qinwen Zheng' if Qinwen Zheng advances against Jessica Bouzas Maneiro. This market will resolve to 'Jessica Bouzas Maneiro' if Jessica Bouzas Maneiro advances against Qinwen Zheng. 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 Qinwen Zheng and Jessica Bouzas Maneiro in the Athens Open, originally scheduled for July 13, 2026 at 5:00AM ET. This market will resolve to 'Qinwen Zheng' if Qinwen Zheng advances against Jessica Bouzas Maneiro. This market will resolve to 'Jessica Bouzas Maneiro' if Jessica Bouzas Maneiro advances against Qinwen Zheng. 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 traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and manage risk; prediction markets aggregate the beliefs of traders who profit or lose based on accuracy. This market may price outcomes differently than major sportsbooks, especially if informed traders spot value or if public perception lags behind on-court performance. Comparing the two can reveal where consensus differs and highlight potential mispricings worth monitoring.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price reflects the cumulative bets placed by all participants; as more capital flows toward one outcome, the odds shift to reflect the new implied probability. Traders can buy or sell shares at the current price, and the depth of liquidity determines how large an order can move the line. This continuous pricing mechanism ensures the market stays responsive to new information and trader sentiment.
This market resolves around Jul 20, 2026, once the Athens Open match concludes and the result is verifiable from credible public reporting. The outcome of this market is determined by the official match result—which player wins the contest. Resolution typically occurs within hours of the final point, allowing traders to settle positions quickly. Until that time, odds may fluctuate based on pre-match analysis, player form, court conditions, and any other factors traders believe influence the likely winner.
Several factors could shift odds before the match begins. Recent tournament performance, head-to-head records, injury reports, and player rankings all influence trader positioning. Court surface preference and weather conditions at the venue may also matter. News about player fitness, coaching changes, or confidence statements from either competitor can trigger rapid repricing. As the match start time approaches, late-breaking information and final betting surges often drive the largest moves, reflecting last-minute shifts in trader conviction.