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 21, 4:00 AM EST
Polymarket
This market refers to the doubles tennis match between Romios/Uesugi and Battistone/Vance in the Bunschoten, originally scheduled for July 14, 2026 at 4:00AM ET. This market will resolve to 'Romios/Uesugi' if the team of Romios/Uesugi advances against Battistone/Vance. This market will resolve to 'Battistone/Vance' if the team of Battistone/Vance advances against Romios/Uesugi. 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 Romios/Uesugi and Battistone/Vance in the Bunschoten, originally scheduled for July 14, 2026 at 4:00AM ET. This market will resolve to 'Romios/Uesugi' if the team of Romios/Uesugi advances against Battistone/Vance. This market will resolve to 'Battistone/Vance' if the team of Battistone/Vance advances against Romios/Uesugi. 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 traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set odds to balance liability and extract a margin, while prediction markets price outcomes through direct trader participation and real-money stakes. This market may show materially different implied probabilities than major sportsbooks, especially as match day approaches. Comparing the two can reveal where informed traders see value relative to conventional bookmaker pricing, though both sources carry uncertainty until the event concludes.
On Polymarket, this market is priced through an automated market maker mechanism where traders buy and sell shares representing each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current implied probability reflects the cumulative positions and trades of all participants. As traders adjust their positions based on news, player form, or other signals, the price updates continuously. The spread between bid and ask prices indicates liquidity and conviction; tighter spreads suggest high confidence and active trading, while wider spreads may signal lower participation or uncertainty.
This market resolves around Jul 21, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome is determined by which pair wins the doubles competition at Bunschoten. Resolution occurs after the official result is confirmed and recorded by the tournament organizers or recognized sports data providers. Traders should monitor official tournament announcements and reputable sports news outlets in the days leading up to and following the event to stay informed on any scheduling changes or developments.
Player injuries, recent form, head-to-head records, and court conditions at Bunschoten can all shift market odds significantly. Announcements about lineup changes or withdrawals may trigger sharp price movements as traders reassess probabilities. Weather forecasts, if relevant to outdoor play, and any pre-match commentary from analysts or former players can also influence sentiment. As the match date approaches, late-breaking news or betting syndicates entering the market may accelerate price changes, so active traders should monitor sports news and platform activity closely.