TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 7, 4:00 AM EST
Polymarket
This market refers to the doubles tennis match between Ruehl/Veldheer and Marrero/Perez in the Milan, originally scheduled for June 30, 2026 at 4:00AM ET. This market will resolve to 'Ruehl/Veldheer' if the team of Ruehl/Veldheer advances against Marrero/Perez. This market will resolve to 'Marrero/Perez' if the team of Marrero/Perez advances against Ruehl/Veldheer. 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 Ruehl/Veldheer and Marrero/Perez in the Milan, originally scheduled for June 30, 2026 at 4:00AM ET. This market will resolve to 'Ruehl/Veldheer' if the team of Ruehl/Veldheer advances against Marrero/Perez. This market will resolve to 'Marrero/Perez' if the team of Marrero/Perez advances against Ruehl/Veldheer. 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 lock in profit margins, while prediction markets aggregate trader beliefs through continuous price discovery. This market may show higher or lower implied probabilities than traditional sports betting sites, depending on whether informed traders or casual bettors dominate activity. Comparing the two can reveal where smart money sees value relative to conventional bookmaker pricing, though both should be viewed as independent estimates rather than absolute truth.
On Polymarket, traders set prices by buying and selling shares representing each outcome, with the current share price reflecting the implied probability. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market uses an automated market maker mechanism that adjusts prices based on order flow, ensuring continuous liquidity. As traders accumulate positions favoring one team, the price for that outcome rises, and vice versa. This mechanism incentivizes arbitrage and information revelation, allowing the market to incorporate new evidence about player form, injury status, or head-to-head records as the event approaches.
This market resolves around Jul 7, 2026, once the doubles match concludes and the result is verified against credible public sources. The outcome is determined by which team wins the match according to official tournament records. Until that point, traders can adjust positions based on pre-match developments, player news, or betting-market signals. Resolution is binary: one team will be confirmed as the victor, and the market will settle accordingly, paying out holders of the winning side.
Player injuries, withdrawal announcements, or late roster changes could significantly shift odds in this market. Recent form updates, head-to-head records, or surface-specific performance data may also influence trader positioning. Court conditions, weather forecasts, and seeding changes at the tournament can trigger repricing. Media coverage highlighting one team's momentum or a player's confidence level often prompts trading activity. Additionally, related betting markets or sportsbook line movements may signal new information that traders incorporate, causing rapid price adjustments as the match date approaches.