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 7, 11:00 AM EST
Polymarket
This market refers to the doubles tennis match between Serna/Ribeiro and Bertran/Mbithi in the Quito, originally scheduled for June 30, 2026 at 11:00AM ET. This market will resolve to 'Serna/Ribeiro' if the team of Serna/Ribeiro advances against Bertran/Mbithi. This market will resolve to 'Bertran/Mbithi' if the team of Bertran/Mbithi advances against Serna/Ribeiro. 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 Serna/Ribeiro and Bertran/Mbithi in the Quito, originally scheduled for June 30, 2026 at 11:00AM ET. This market will resolve to 'Serna/Ribeiro' if the team of Serna/Ribeiro advances against Bertran/Mbithi. This market will resolve to 'Bertran/Mbithi' if the team of Bertran/Mbithi advances against Serna/Ribeiro. 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 pools and incentive structures. Sportsbooks set lines to balance liability and extract a margin, while prediction markets like this one are driven by trader consensus without a built-in spread. Traders here are motivated by profit rather than volume balancing, which can lead to sharper or more reactive pricing on emerging information. Comparing this market's implied probability to major sportsbook lines on the same matchup can reveal whether one venue is pricing in information the other has not yet fully absorbed.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker pool. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current odds reflect the aggregate belief of all active traders at any moment. As new information surfaces—injury reports, recent form, or head-to-head records—traders adjust their positions, moving the price up or down. Liquidity and trading volume influence how quickly prices respond; deeper pools allow larger trades with less slippage, while thin liquidity can amplify price swings on modest order flow.
This market resolves around Jul 7, 2026, once the Quito doubles match concludes and the result is verified against credible public sources. The outcome is determined by which team wins the match—Serna/Ribeiro or Bertran/Mbithi. Traders holding shares in the winning outcome receive their payout, while losing shares expire worthless. Resolution typically occurs within hours of the final point, pending confirmation from official tournament records or reputable sports data providers.
Key catalysts include player injury announcements, recent tournament results, head-to-head records, and court surface conditions in Quito. Withdrawal or late substitution of any player would trigger sharp repricing. Pre-match commentary from analysts or betting syndicates can also shift trader sentiment. Weather delays or scheduling changes may prompt traders to reassess fatigue and momentum. Real-time match updates—early breaks, set scores, or momentum swings—will drive intraday volatility as traders adjust their positions based on live performance.