TOTAL VOLUME:
$134b
24H VOL:
$87,176,691
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,391,958,194
394,660
Markets across
30,119
events
MATCHED EVENTS:
2,626
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 9, 10:00 AM EST
Polymarket
This market refers to the tennis match between Alex Martinez and Jay Dylan Friend in the Cary, originally scheduled for July 2, 2026 at 10:00AM ET. This market will resolve to 'Alex Martinez' if Alex Martinez advances against Jay Dylan Friend. This market will resolve to 'Jay Dylan Friend' if Jay Dylan Friend advances against Alex 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 ATP Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Alex Martinez and Jay Dylan Friend in the Cary, originally scheduled for July 2, 2026 at 10:00AM ET. This market will resolve to 'Alex Martinez' if Alex Martinez advances against Jay Dylan Friend. This market will resolve to 'Jay Dylan Friend' if Jay Dylan Friend advances against Alex 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 ATP Tour. A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they serve different purposes and operate under different constraints. Sportsbooks set odds to balance their book and manage risk, while prediction markets let traders freely price outcomes based on their beliefs. Prediction markets typically reflect longer-term consensus and can incorporate diverse information sources, whereas sportsbooks may lag behind breaking news or sharp action. Comparing this market's odds to major sportsbooks can reveal where the two communities disagree—sometimes prediction markets lead, sometimes they lag. Neither is inherently more accurate; they simply reflect different participant bases and incentive structures.
On Polymarket, traders set the price of this market through an automated market maker (AMM) mechanism, where buying and selling shares directly adjusts the odds in real time. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more traders buy shares predicting one outcome, the higher its price rises; conversely, selling pressure lowers it. This continuous repricing ensures the market reflects the latest information and sentiment. You can enter or exit positions at any time before resolution, and the spread between bid and ask prices typically tightens as liquidity grows, making it easier to trade at fair rates.
This market resolves around Jul 9, 2026, once the event concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official result of the match. Until that point, traders can continue to buy and sell shares as new information emerges. After resolution, Polymarket locks the contract and distributes winnings to holders of the correct outcome share. Early traders who exit before the event can realize gains or losses based on price movement alone, independent of the final result.
Several factors could shift odds before Jul 9, 2026. Fighter news—such as injury reports, training updates, or public statements—often triggers sharp repricing. Weigh-in results, recent fight footage, or analyst commentary can sway trader conviction. Betting action from sportsbooks or other prediction markets may also influence sentiment if traders notice consensus shifts elsewhere. Social media momentum, media coverage, and expert predictions can drive retail participation. As the event date approaches, liquidity typically increases and odds stabilize, but any surprise announcement or credible new information could still move the needle significantly in either direction.