TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 22, 5:55 PM EST
Polymarket
This market refers to the doubles tennis match between Matsuoka/Mochizuki and Cook/Oliveira in the Winnipeg, originally scheduled for July 21, 2026 at 10:00AM ET. This market will resolve to 'Matsuoka/Mochizuki' if the team of Matsuoka/Mochizuki advances against Cook/Oliveira. This market will resolve to 'Cook/Oliveira' if the team of Cook/Oliveira advances against Matsuoka/Mochizuki. 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the doubles tennis match between Matsuoka/Mochizuki and Cook/Oliveira in the Winnipeg, originally scheduled for July 21, 2026 at 10:00AM ET. This market will resolve to 'Matsuoka/Mochizuki' if the team of Matsuoka/Mochizuki advances against Cook/Oliveira. This market will resolve to 'Cook/Oliveira' if the team of Cook/Oliveira advances against Matsuoka/Mochizuki. 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 ATP 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 manage risk, while prediction markets aggregate beliefs from traders risking real capital on outcomes. This market may price the matchup differently than traditional sportsbooks because traders here have direct financial exposure to the result. Comparing the two can reveal where one venue sees value the other has missed, though both should converge as the event approaches.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probability quotes. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy and sell shares representing each outcome, and the cumulative volume on each side determines the current odds. As more capital flows into one outcome, its price rises and the opposing outcome falls. This continuous repricing mechanism ensures the market reflects the latest information and trader conviction available at any moment.
This market resolves around Jul 28, 2026, once the doubles match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on which team wins the match. Until that point, traders can adjust positions as new information emerges—player form, court conditions, or other factors that might influence the result. Resolution is final once the event is officially recorded.
Several factors could shift prices in this market before Jul 28, 2026. Player injuries or withdrawals announced before the match would trigger sharp repricing. Recent tournament results, head-to-head records, and court surface performance data may prompt traders to reassess probabilities. Media coverage highlighting one team's form or chemistry could also sway sentiment. Closer to match day, warm-up tournament results and official lineup confirmations often drive final adjustments as uncertainty decreases and the event becomes imminent.