TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 6, 4:00 AM EST
Polymarket
This market refers to the tennis match between Gustavo Heide and Federico Agustin Gomez in the Milan, originally scheduled for June 29, 2026 at 4:00AM ET. This market will resolve to 'Gustavo Heide' if Gustavo Heide advances against Federico Agustin Gomez. This market will resolve to 'Federico Agustin Gomez' if Federico Agustin Gomez advances against Gustavo Heide. 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 Gustavo Heide and Federico Agustin Gomez in the Milan, originally scheduled for June 29, 2026 at 4:00AM ET. This market will resolve to 'Gustavo Heide' if Gustavo Heide advances against Federico Agustin Gomez. This market will resolve to 'Federico Agustin Gomez' if Federico Agustin Gomez advances against Gustavo Heide. 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 audiences. Sportsbooks set odds to balance their book and manage risk, incorporating a built-in margin. Prediction markets, by contrast, aggregate the genuine beliefs of thousands of traders with real money at stake, often producing sharper, more efficient pricing. For this market, comparing the prediction market odds to major sportsbook lines can reveal where professional bettors and casual traders disagree on the fighters' true probabilities. These differences can highlight value or consensus breakdowns worth monitoring.
On Polymarket, traders set the odds by buying and selling outcome shares in an automated market maker (AMM) pool. 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 ratio of liquidity allocated to it; as more traders back one fighter, that outcome's share price rises and the opposing outcome falls. This continuous repricing mechanism ensures the market stays responsive to new information, breaking news, or shifts in trader sentiment. The spread between bid and ask prices tightens as volume increases, rewarding active participation and providing tighter entry and exit points for serious traders.
This market resolves around Jul 6, 2026, once the bout 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 means recognized by boxing authorities. Until that point, traders can continue to buy and sell shares as new information emerges, such as fighter training updates, injury reports, or weigh-in performance. The final payout depends entirely on which outcome occurs and is locked in once the event is officially decided.
Several catalysts could shift odds significantly before Jul 6, 2026. Injury announcements, training camp reports, or public statements from either fighter's camp often trigger sharp repricing. Weigh-in results, recent fight footage, or changes in betting patterns at major sportsbooks can also influence trader conviction. Media coverage, expert commentary, and social media momentum may sway retail traders, while professional bettors might react to subtle technical or tactical insights. Close to fight day, any last-minute venue changes, referee assignments, or unexpected withdrawals would cause rapid market movement as traders reassess their positions.