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: Sep 14, 4:18 PM EST
Polymarket
This market refers to the doubles tennis match between Guarachi/Ninomiya and Haverlag/Radisic in the Guadalajara Open Akron, originally scheduled for September 13, 2026 at 12:00PM ET. This market will resolve to 'Guarachi/Ninomiya' if the team of Guarachi/Ninomiya advances against Haverlag/Radisic. This market will resolve to 'Haverlag/Radisic' if the team of Haverlag/Radisic advances against Guarachi/Ninomiya. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 27, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 doubles tennis match between Guarachi/Ninomiya and Haverlag/Radisic in the Guadalajara Open Akron, originally scheduled for September 13, 2026 at 12:00PM ET. This market will resolve to 'Guarachi/Ninomiya' if the team of Guarachi/Ninomiya advances against Haverlag/Radisic. This market will resolve to 'Haverlag/Radisic' if the team of Haverlag/Radisic advances against Guarachi/Ninomiya. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 27, 2026, 11:59 PM ET (14 days after the scheduled start), this market will resolve to 50-50. If the match begins but is not completed, and one team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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 often differ from traditional sportsbook odds due to the varying sources of information and incentives driving each. Sportsbooks typically set odds based on statistical models and expert analysis, while this market reflects the wisdom of the crowd. Discrepancies can arise from differing opinions on player form, potential upsets, or even external factors influencing the match. If significant differences exist, opportunities for arbitrage may emerge, where traders can profit by exploiting the price variations between the two types of markets.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the outcome. The price of a share directly corresponds to the implied probability of that outcome occurring. As more traders buy shares in a particular outcome, the price increases, reflecting a growing consensus. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market’s price is determined solely by supply and demand, with traders adjusting their positions based on new information and their own analysis of the match between Guarachi/Ninomiya and Haverlag/Radisic.
This market resolves around Sep 20, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Guadalajara Open doubles match between Guarachi/Ninomiya and Haverlag/Radisic, as declared by the tournament organizers. The winning team will determine the successful outcome of this market. Traders will be able to claim their winnings once the result is officially confirmed and reported, and the market is settled on Polymarket.
Several signals could influence this market before resolution. Any news regarding player injuries, changes in playing conditions, or unexpected performance in preceding matches could shift trader sentiment. A strong showing by either team in earlier rounds of the tournament, or even reports of strategic adjustments, could lead to significant price movements. Unexpected weather conditions at the tournament venue could also play a role, as could any late-breaking analysis from tennis experts predicting a shift in the match's dynamics.