TOTAL VOLUME:
$97.5b
24H VOL:
$264,423,826
24H TRANSACTIONS:
951,878,243
OPEN INTEREST:
$2,171,275,957
831,219
Markets across
15,133
events
MATCHED EVENTS:
973
PLATFORM COVERAGE:
5
Polymarket:
45%
VS.
Kalshi:
55%
This market refers to the doubles tennis match between Callejon/Tobon and Lopez/Perez in the Pozoblanco, originally scheduled for July 14, 2026 at 4:00AM ET. This market will resolve to 'Callejon/Tobon' if the team of Callejon/Tobon advances against Lopez/Perez. This market will resolve to 'Lopez/Perez' if the team of Lopez/Perez advances against Callejon/Tobon. 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 Callejon/Tobon and Lopez/Perez in the Pozoblanco, originally scheduled for July 14, 2026 at 4:00AM ET. This market will resolve to 'Callejon/Tobon' if the team of Callejon/Tobon advances against Lopez/Perez. This market will resolve to 'Lopez/Perez' if the team of Lopez/Perez advances against Callejon/Tobon. 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 lock in profit margins, while prediction markets aggregate trader beliefs through continuous price discovery. This market's odds may lead or lag sportsbook lines depending on information flow and trader conviction. Comparing the two can reveal arbitrage opportunities or signal where professional and retail sentiment differ on the likely outcome.
On Polymarket, this market is priced through an automated market maker that adjusts odds based on order flow and trader positions. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Participants buy and sell shares representing each possible outcome, and the price of each share reflects the collective probability assigned by the market. As new information emerges or trading volume shifts, prices update in real time, ensuring the odds stay aligned with current sentiment. This continuous repricing mechanism allows traders to enter or exit positions at transparent, market-determined rates.
This market resolves around Jul 21, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The winning outcome will be determined by the actual result of the match, verified against authoritative sports records and official announcements. Traders holding shares in the correct outcome will receive their payout once the event concludes and the result is finalized on the platform.
Several factors could shift odds before resolution. Player injuries, withdrawals, or last-minute lineup changes announced by either team would trigger immediate repricing. Recent form, head-to-head records, and court conditions at the venue may influence trader positioning. News coverage, expert commentary, or betting syndicate activity can also accelerate price movement. As the match date approaches, reduced uncertainty typically narrows the odds, while unexpected developments closer to start time often create sharp volatility in this market.
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