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: Jul 28, 5:30 AM EST
Polymarket
This market refers to the tennis match between Paul Inchauspe and Cyril Vandermeersch in the Segovia, originally scheduled for July 21, 2026 at 5:30AM ET. This market will resolve to 'Paul Inchauspe' if Paul Inchauspe advances against Cyril Vandermeersch. This market will resolve to 'Cyril Vandermeersch' if Cyril Vandermeersch advances against Paul Inchauspe. 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 Paul Inchauspe and Cyril Vandermeersch in the Segovia, originally scheduled for July 21, 2026 at 5:30AM ET. This market will resolve to 'Paul Inchauspe' if Paul Inchauspe advances against Cyril Vandermeersch. This market will resolve to 'Cyril Vandermeersch' if Cyril Vandermeersch advances against Paul Inchauspe. 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 reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and protect their margin, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. Sportsbooks may move faster on breaking news, whereas prediction markets can lag if retail traders haven't yet priced in new information. Comparing the two can reveal where consensus differs—if this market's implied probability significantly outpaces or trails a major sportsbook line, it may signal an arbitrage opportunity or highlight where one venue's participants are more informed.
On Polymarket, this market is priced through an automated market maker that adjusts odds based on the ratio of shares bought and sold for each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders purchase shares representing their belief in a fighter's victory, and the cumulative order flow determines the displayed probability. As more capital flows into one outcome, its price rises and the opposing outcome's price falls. This continuous repricing mechanism means odds update in real time without requiring a traditional order book, allowing traders to enter and exit positions at transparent, algorithmically determined rates throughout the market's lifetime.
This market resolves around Jul 28, 2026, once the boxing match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official fight result—whether it ends by decision, knockout, or other recognized conclusion. Traders holding shares in the winning outcome will receive their payout once the event is finalized and the market settles. Until that point, prices will fluctuate as new information, fighter news, or betting patterns emerge.
Several catalysts can shift odds before Jul 28, 2026. Fighter injuries, training updates, or public statements about condition or strategy often trigger sharp repricing. Weigh-in results, recent sparring footage, or analyst commentary can sway trader sentiment. Major news—such as a coaching change, unexpected withdrawal, or venue alteration—typically causes rapid volume spikes and price swings. Social media momentum, betting syndicates entering the market, or shifts in public perception also influence the odds. Close to fight day, late-breaking developments and final odds from major sportsbooks may accelerate trader repositioning as the event becomes imminent.