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: Jun 23, 4:00 AM EST
Polymarket
This market refers to the tennis match between Mikel Martinez and Ryan Nijboer in the ITF Men Mungia-Laukariz, originally scheduled for June 16, 2026 at 4:00AM ET. This market will resolve to 'Mikel Martinez' if Mikel Martinez advances against Ryan Nijboer. This market will resolve to 'Ryan Nijboer' if Ryan Nijboer advances against Mikel Martinez. 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 Mikel Martinez and Ryan Nijboer in the ITF Men Mungia-Laukariz, originally scheduled for June 16, 2026 at 4:00AM ET. This market will resolve to 'Mikel Martinez' if Mikel Martinez advances against Ryan Nijboer. This market will resolve to 'Ryan Nijboer' if Ryan Nijboer advances against Mikel Martinez. 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 are driven purely by trader belief and financial incentive to forecast accurately. This market may offer odds that differ meaningfully from traditional sports betting sites, especially as new information emerges or as the event date draws closer. Comparing the two can reveal where smart money is positioning itself.
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 aggregate belief of all participants at any given moment. As new information surfaces—injury reports, player form, or head-to-head history—traders adjust their positions, moving the odds in real time. The more capital flowing into a particular outcome, the higher its price climbs.
This market resolves around Jun 23, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result, determining which player prevails. Until that point, traders can continue to buy and sell shares as odds fluctuate with breaking news, betting patterns, and real-time match developments.
Several catalysts could shift odds significantly before the match takes place. Injury announcements or withdrawal news involving either player would trigger sharp repricing. Recent tournament results, head-to-head records, and surface-specific performance data often drive trader positioning. Court conditions, weather forecasts, and betting syndicate activity can also influence prices. Closer to Jun 23, 2026, late-breaking form changes or lineup confirmations typically generate the most volatile trading.