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: Jun 21, 8:30 AM EST
Polymarket
This market refers to the tennis match between Kamil Majchrzak and Alex de Minaur in the Libema Open, originally scheduled for June 14, 2026 at 8:30AM ET. This market will resolve to 'Kamil Majchrzak' if Kamil Majchrzak advances against Alex de Minaur. This market will resolve to 'Alex de Minaur' if Alex de Minaur advances against Kamil Majchrzak. 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 Kamil Majchrzak and Alex de Minaur in the Libema Open, originally scheduled for June 14, 2026 at 8:30AM ET. This market will resolve to 'Kamil Majchrzak' if Kamil Majchrzak advances against Alex de Minaur. This market will resolve to 'Alex de Minaur' if Alex de Minaur advances against Kamil Majchrzak. 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 lock in profit margins, while prediction markets are driven purely by trader belief and financial incentive to forecast accurately. For this market, comparing the implied probability here to major sportsbook lines can reveal whether the crowd on Polymarket is more or less bullish on a particular outcome than professional oddsmakers.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker. 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 aggregate confidence of all participants; as new information emerges or sentiment shifts, traders adjust their positions, moving the odds in real time. This decentralized pricing mechanism means the market continuously incorporates available information about player form, head-to-head records, and court conditions relevant to the match.
This market resolves around Jun 21, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome is determined by the official result of the Libema Open match between the two players. Resolution typically occurs shortly after the match ends, pending confirmation from the tournament organizers or established sports data providers.
Several factors may shift odds before the match takes place. Recent tournament performance, injury reports, head-to-head records, and court surface preference can all influence trader positioning. Weather conditions, player fatigue from earlier rounds, and lineup announcements closer to match day may trigger repricing. Breaking news about either player's form or fitness, as well as betting patterns from professional syndicates, can also cause rapid movement in this market as new information becomes available.