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: Aug 13, 6:30 PM EST
Polymarket
This market refers to the doubles tennis match between Siniakova/Zhang and Errani/Melichar in the National Bank Open, originally scheduled for August 13, 2026 at 3:30PM ET. This market will resolve to 'Siniakova/Zhang' if the team of Siniakova/Zhang advances against Errani/Melichar. This market will resolve to 'Errani/Melichar' if the team of Errani/Melichar advances against Siniakova/Zhang. 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 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 Siniakova/Zhang and Errani/Melichar in the National Bank Open, originally scheduled for August 13, 2026 at 3:30PM ET. This market will resolve to 'Siniakova/Zhang' if the team of Siniakova/Zhang advances against Errani/Melichar. This market will resolve to 'Errani/Melichar' if the team of Errani/Melichar advances against Siniakova/Zhang. 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 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.
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 continuous trading where participants set odds based on their expectations for the match outcome. The current top outcome reflects the highest chance percentage among traders, with liquidity and volume influencing price stability. As the event approaches, trader sentiment, injury updates, and form can cause rapid shifts in these odds, making real-time tracking essential for informed decisions.
This market resolves around Aug 20, 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 update the market status accordingly. Timing aligns with the tournament schedule, ensuring that all trades settle shortly after the final point is played and results are widely reported.
Injuries, player form, weather conditions, and strategic changes can all shift this market as the event nears. Updates from coaches, recent match performances, and even practice session reports may influence trader confidence. Additionally, any last-minute lineup changes or tournament-specific news could cause rapid price adjustments on Polymarket as participants react to new information ahead of resolution.