TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
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 Silva/Alves and Oliveira/Almeida in the Quito, originally scheduled for June 30, 2026 at 11:00AM ET. This market will resolve to 'Silva/Alves' if the team of Silva/Alves advances against Oliveira/Almeida. This market will resolve to 'Oliveira/Almeida' if the team of Oliveira/Almeida advances against Silva/Alves. 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 Silva/Alves and Oliveira/Almeida in the Quito, originally scheduled for June 30, 2026 at 11:00AM ET. This market will resolve to 'Silva/Alves' if the team of Silva/Alves advances against Oliveira/Almeida. This market will resolve to 'Oliveira/Almeida' if the team of Oliveira/Almeida advances against Silva/Alves. 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 profit margins, while prediction markets like Polymarket are driven purely by trader consensus and real-money risk. Sportsbooks may adjust lines faster in response to sharp money or injury news, whereas prediction markets can lag if retail traders dominate. Comparing this market's implied probability to major sportsbook lines can reveal arbitrage opportunities or signal where professional and retail expectations diverge most sharply.
On Polymarket, traders set prices through an automated market maker and order-book mechanism, with each outcome represented as a tradable share. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective belief about which doubles team will win, ranging from near-zero to near-one dollar. Liquidity providers and arbitrageurs help tighten spreads, while market depth determines how much volume can move the price. As new information emerges—injury reports, recent form, or head-to-head records—traders adjust positions, causing the price to shift in real time.
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 under official tournament rules. No ambiguity typically surrounds doubles tennis results, as the winner is clear from the final score and match records. Traders should monitor the tournament schedule and any last-minute changes to ensure they understand the exact timing and format before the event begins.
Key catalysts include player injuries or withdrawals, recent tournament performance and head-to-head records, court surface conditions, and weather forecasts on match day. Betting action from professional syndicates or sharp money can shift prices sharply if they identify value. News about player form, coaching changes, or partnership chemistry may influence trader sentiment. Close matches or upsets in related tournaments can also ripple through this market if they signal broader trends. Monitor official tournament updates and sports news outlets for any developments that could affect either team's chances.