TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 28, 6:00 AM EST
Polymarket
This market refers to the tennis match between Gonzalo Bueno and Tiago Pereira in the Estoril Open, originally scheduled for July 21, 2026 at 6:00AM ET. This market will resolve to 'Gonzalo Bueno' if Gonzalo Bueno advances against Tiago Pereira. This market will resolve to 'Tiago Pereira' if Tiago Pereira advances against Gonzalo Bueno. 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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 tennis match between Gonzalo Bueno and Tiago Pereira in the Estoril Open, originally scheduled for July 21, 2026 at 6:00AM ET. This market will resolve to 'Gonzalo Bueno' if Gonzalo Bueno advances against Tiago Pereira. This market will resolve to 'Tiago Pereira' if Tiago Pereira advances against Gonzalo Bueno. 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 player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player 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 manage risk, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. For this market, comparing the current prediction market price to major sportsbooks can reveal whether professional bettors and casual traders are aligned or if one venue perceives edge relative to the other. Significant gaps may indicate where informed traders see value.
On Polymarket, this market is priced through an automated market maker that converts trader positions into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price you see reflects the collective belief of all traders holding shares, with each trade moving the odds incrementally. As more capital flows toward one outcome, the price adjusts upward; conversely, selling pressure lowers it. This continuous repricing mechanism ensures the market stays responsive to new information and trader conviction throughout the event window.
This market resolves around Jul 28, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by which player wins the match at the Estoril Open. Resolution occurs after the official result is confirmed, ensuring all traders have access to the same authoritative information before payouts are finalized.
Several factors can shift trader positioning before the match concludes. Recent player form, injury reports, head-to-head records, and court surface performance history all influence market prices as new information emerges. Tournament momentum, weather conditions on match day, and betting action from professional syndicates can also trigger rapid repricing. Social media sentiment and expert commentary may sway retail traders, while sharp money typically reacts to concrete data like official injury announcements or lineup confirmations closer to the scheduled start time.