TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 8, 8:00 AM EST
Polymarket
This market refers to the tennis match between Lasse Poertner and Julien Penzlin in the ITF Men Marburg, originally scheduled for July 1, 2026 at 8:00AM ET. This market will resolve to 'Lasse Poertner' if Lasse Poertner advances against Julien Penzlin. This market will resolve to 'Julien Penzlin' if Julien Penzlin advances against Lasse Poertner. 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 Lasse Poertner and Julien Penzlin in the ITF Men Marburg, originally scheduled for July 1, 2026 at 8:00AM ET. This market will resolve to 'Lasse Poertner' if Lasse Poertner advances against Julien Penzlin. This market will resolve to 'Julien Penzlin' if Julien Penzlin advances against Lasse Poertner. 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 pools and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate beliefs from traders risking real capital on outcomes. This market may show different probabilities than traditional sports betting sites, particularly as new information emerges or if one venue attracts more informed traders. Comparing the two can reveal where consensus is strongest and where outlier views persist, though each source has distinct advantages for different types of bettors.
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 current odds reflect the aggregate belief of all participants, with each trade updating the probability estimate in real time. Higher trading volume typically narrows spreads and increases price accuracy, while lower volume can create wider bid-ask gaps. You can enter limit or market orders to position yourself based on your own assessment of the players' chances, with your potential payout determined by the final price at which the market resolves.
This market resolves around Jul 8, 2026, once the match concludes and the result is verified against credible public sources. The outcome will be confirmed based on which player wins the ITF Marburg event. Until that point, prices may fluctuate as traders update their expectations based on player form, injury reports, head-to-head records, and other relevant information. Resolution typically occurs within hours of the final point, allowing the market to settle and payouts to be distributed to winning positions.
Several factors can shift odds before the match begins. Injury announcements or withdrawal news involving either player would trigger sharp repricing. Recent tournament results, ranking changes, or performance updates on hard courts can sway trader sentiment. Weather forecasts closer to the event date may also influence expectations, since court conditions affect playing styles. Media coverage, expert commentary, and betting activity on traditional sportsbooks can signal new information to prediction market participants. Late-breaking developments about player fitness or mental state often produce the most dramatic price movements in the final hours before play starts.