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 21, 4:00 AM EST
Polymarket
This market refers to the doubles tennis match between Palan/Santillan and Campos/Forcano in the Pozoblanco, originally scheduled for July 14, 2026 at 4:00AM ET. This market will resolve to 'Palan/Santillan' if the team of Palan/Santillan advances against Campos/Forcano. This market will resolve to 'Campos/Forcano' if the team of Campos/Forcano advances against Palan/Santillan. 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 Palan/Santillan and Campos/Forcano in the Pozoblanco, originally scheduled for July 14, 2026 at 4:00AM ET. This market will resolve to 'Palan/Santillan' if the team of Palan/Santillan advances against Campos/Forcano. This market will resolve to 'Campos/Forcano' if the team of Campos/Forcano advances against Palan/Santillan. 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 lines to balance action and protect their margin, while prediction markets aggregate trader beliefs through continuous price discovery. This market may show odds that differ from sportsbook spreads, especially as match day approaches and new information surfaces. Comparing the two can reveal where the crowd on Polymarket sees value or risk differently than conventional oddsmakers, though both aim to reflect underlying probabilities.
On Polymarket, this market is priced through an automated market maker that allows traders to 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 price of each outcome reflects the cumulative bets placed by all participants; as traders buy shares in one pair, the price rises and the competing pair's price falls. This continuous mechanism ensures that prices adjust instantly to new information, trader sentiment, and incoming volume. The current market reflects strong confidence in one outcome, with pricing that updates in real time as the event approaches.
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 doubles pair wins the match at Pozoblanco. Until that point, traders can continue to buy and sell shares as odds shift with breaking news, player updates, or betting momentum. Resolution is automatic once the event is confirmed, and all positions settle according to the final result.
Several factors could shift odds before Jul 21, 2026. Player injuries or withdrawals announced before the match would trigger immediate repricing, as would changes in court conditions or weather forecasts. Recent tournament results, head-to-head records between the pairs, and any roster or partnership changes can influence trader confidence. Media coverage and expert commentary may also sway sentiment. Large trades by high-volume participants or sudden shifts in betting patterns can create momentum moves. Any official updates from the tournament organizers would likely cause sharp price adjustments as the market recalibrates.