TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 20, 4:00 AM EST
Polymarket
This market refers to the tennis match between Tomas Barrios and Niels Visker in the Bunschoten, originally scheduled for July 13, 2026 at 4:00AM ET. This market will resolve to 'Tomas Barrios' if Tomas Barrios advances against Niels Visker. This market will resolve to 'Niels Visker' if Niels Visker advances against Tomas Barrios. 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 Tomas Barrios and Niels Visker in the Bunschoten, originally scheduled for July 13, 2026 at 4:00AM ET. This market will resolve to 'Tomas Barrios' if Tomas Barrios advances against Niels Visker. This market will resolve to 'Niels Visker' if Niels Visker advances against Tomas Barrios. 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 markets and traditional sportsbooks price events differently because they operate under distinct incentive structures. Sportsbooks set odds to balance their book and manage risk, often incorporating a margin. Prediction markets, by contrast, aggregate trader beliefs directly—prices reflect what participants actually believe will happen, without a built-in house edge. This market's odds may diverge from sportsbook lines depending on which venue has attracted more informed traders or deeper liquidity. Comparing the two can reveal where consensus is strongest and where outlier views exist.
On Polymarket, this market is priced through an automated market maker mechanism where traders buy and sell shares representing each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective belief of all traders at that moment. As more capital flows into one outcome, its price rises and the opposing outcome's price falls, creating a self-balancing system. You can enter or exit your position at any time by trading against the pool, with prices adjusting dynamically based on order size and existing liquidity.
This market resolves around Jul 20, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution hinges on whether the match concludes as scheduled and which fighter is declared the winner. Once the bout is officially completed and the result is publicly documented, this market will settle accordingly. Traders should monitor official boxing records and event announcements to anticipate the likely resolution timeline.
Several factors could shift odds before the bout takes place. Fighter injury announcements, training camp updates, or withdrawal news would trigger sharp repricing. Media coverage highlighting one competitor's recent form or head-to-head record could sway sentiment. Weigh-in results and official confirmations that the match will proceed as scheduled typically stabilize prices. Additionally, any regulatory or venue changes could introduce uncertainty. Traders often react quickly to such developments, so monitoring boxing news and official event communications is essential for anticipating market moves.