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 23, 12:30 PM EST
Polymarket
This market refers to the doubles tennis match between Reynolds/Watt and Bianchi/Magadan in the Granby, originally scheduled for July 16, 2026 at 12:30PM ET. This market will resolve to 'Reynolds/Watt' if the team of Reynolds/Watt advances against Bianchi/Magadan. This market will resolve to 'Bianchi/Magadan' if the team of Bianchi/Magadan advances against Reynolds/Watt. 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 Reynolds/Watt and Bianchi/Magadan in the Granby, originally scheduled for July 16, 2026 at 12:30PM ET. This market will resolve to 'Reynolds/Watt' if the team of Reynolds/Watt advances against Bianchi/Magadan. This market will resolve to 'Bianchi/Magadan' if the team of Bianchi/Magadan advances against Reynolds/Watt. 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 like Polymarket aggregate trader beliefs through continuous price discovery. Prediction markets can sometimes offer sharper or more efficient pricing because traders have direct financial exposure and no house edge to overcome. However, sportsbooks may move faster on breaking news or injuries. Comparing this market's odds to major sportsbooks can reveal arbitrage opportunities or signal where professional and retail sentiment diverge most sharply.
On Polymarket, this market is priced through an automated market maker that converts trader buy and sell orders into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders purchase shares representing each outcome, and the price of those shares reflects the collective assessment of Reynolds/Watt versus Bianchi/Magadan's chances. As more capital flows into one outcome, its price rises and the opposing outcome's price falls, creating a self-balancing mechanism. This continuous repricing ensures the market stays responsive to new information and trader conviction throughout the event window.
This market resolves around Jul 23, 2026, once the Granby Doubles match concludes and the result is verifiable from credible public sources. The outcome is determined by which team wins the match—Reynolds/Watt or Bianchi/Magadan. Resolution typically occurs within hours of the final point, pending confirmation from official tournament records or reputable sports data providers. Traders should monitor the event closely as the date approaches, as any delays or disputes in official reporting could affect the exact resolution timing.
Key catalysts include player injuries, recent form and head-to-head records, court conditions, and any lineup changes announced before the match. Betting action from professional syndicates or sharp money can shift odds significantly if they accumulate a large position. Weather delays or scheduling changes may also trigger repricing. Social media sentiment and expert commentary can influence retail traders. As Jul 23, 2026 approaches, watch for any official tournament updates, player statements, or late-breaking news that could alter perceived match dynamics. Early match momentum, if the event is streamed live, will likely drive final price adjustments.