TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 21, 5:00 PM EST
Polymarket
This market refers to the tennis match between Nathan Cox and Zac Hamill in the ITF Men Rochester, originally scheduled for July 14, 2026 at 5:00PM ET. This market will resolve to 'Nathan Cox' if Nathan Cox advances against Zac Hamill. This market will resolve to 'Zac Hamill' if Zac Hamill advances against Nathan Cox. 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 Nathan Cox and Zac Hamill in the ITF Men Rochester, originally scheduled for July 14, 2026 at 5:00PM ET. This market will resolve to 'Nathan Cox' if Nathan Cox advances against Zac Hamill. This market will resolve to 'Zac Hamill' if Zac Hamill advances against Nathan Cox. 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 trader bases and incentive structures. Sportsbooks set odds to balance action and lock in profit margins, while prediction markets aggregate the beliefs of many independent traders with real money at stake. This market's odds may lead or lag traditional sportsbook lines depending on which venue attracts sharper early information. Comparing the two can reveal where smart money is positioning itself and highlight potential value opportunities before consensus shifts.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the price you see reflects the cumulative bets of all participants. Higher trading volume typically narrows the spread between bid and ask prices, making it easier to enter or exit positions. The system updates instantly as new trades execute, so the odds you observe are always current and reflect the latest market consensus.
This market resolves around Jul 21, 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—either a Cox victory, a Hamill victory, or a retirement or disqualification if applicable. Until that point, traders can continue to buy and sell shares as new information emerges. Resolution happens automatically once the event is finalized and the platform's verification process is complete.
Several factors could shift this market significantly before Jul 21, 2026. Recent player performance, injury reports, head-to-head records, and court conditions at the Rochester venue may all influence trader positioning. News about either player's form, fitness, or mental state can trigger rapid repricing. Tournament draws, seeding changes, or updates on competing events may also matter. Real-time match developments—such as early set results or momentum swings during play—typically generate the largest price moves as traders update their expectations based on live action.