TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 2, 6:30 AM EST
Polymarket
This market refers to the tennis match between Daniil Ostapenkov and Tiago Pereira in the ITF Men Porto, originally scheduled for June 25, 2026 at 6:30AM ET. This market will resolve to 'Daniil Ostapenkov' if Daniil Ostapenkov advances against Tiago Pereira. This market will resolve to 'Tiago Pereira' if Tiago Pereira advances against Daniil Ostapenkov. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Daniil Ostapenkov and Tiago Pereira in the ITF Men Porto, originally scheduled for June 25, 2026 at 6:30AM ET. This market will resolve to 'Daniil Ostapenkov' if Daniil Ostapenkov advances against Tiago Pereira. This market will resolve to 'Tiago Pereira' if Tiago Pereira advances against Daniil Ostapenkov. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are driven by traders risking real capital on their beliefs about the outcome. Prediction markets can sometimes offer sharper or more efficient pricing because participants have direct financial exposure. Comparing this market's implied probabilities to major sportsbook lines on the same match can reveal where the two venues disagree and highlight potential value opportunities.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker system. 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 collective belief of all active traders at any given moment. As new information emerges or sentiment shifts, traders adjust their positions, moving the price up or down. This continuous repricing mechanism means the odds you see are always a live consensus estimate rather than a static line set by a bookmaker.
This market resolves around Jul 2, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official match result reported by the ITF or other authoritative tennis reporting bodies. Until that point, traders can continue to buy and sell shares as new information and match developments influence their expectations. Resolution is automatic once the event data is confirmed.
Several factors can shift trader sentiment and move prices before the match begins. Recent form and head-to-head records between the two players often drive early trading. Injury reports or withdrawal news would trigger sharp repricing. Court conditions, surface preference, and tournament draw position can also influence expectations. Closer to the match date, warm-up results, player statements, and betting line movements at major sportsbooks may prompt traders to adjust their positions. Real-time match developments during play will create the most dramatic price swings as the outcome becomes clearer.