TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 24, 4:00 AM EST
Polymarket
This market refers to the tennis match between Ryan Nijboer and Guy Den Ouden in the Bunschoten, originally scheduled for July 17, 2026 at 4:00AM ET. This market will resolve to 'Ryan Nijboer' if Ryan Nijboer advances against Guy Den Ouden. This market will resolve to 'Guy Den Ouden' if Guy Den Ouden advances against Ryan Nijboer. 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 Ryan Nijboer and Guy Den Ouden in the Bunschoten, originally scheduled for July 17, 2026 at 4:00AM ET. This market will resolve to 'Ryan Nijboer' if Ryan Nijboer advances against Guy Den Ouden. This market will resolve to 'Guy Den Ouden' if Guy Den Ouden advances against Ryan Nijboer. 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 traditional 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. This market may offer sharper or wider odds than conventional bookmakers, depending on liquidity and the sophistication of participants. Comparing the two can reveal where consensus is strongest or where informed traders see value relative to public betting sentiment.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, this market is priced through an automated market maker that adjusts odds continuously as traders buy and sell shares. Each outcome has a fractional price between 0 and 1, representing the implied probability. When you buy shares backing one fighter, the price rises; selling lowers it. The spread between bid and ask reflects current liquidity and uncertainty. Larger trades move the price more sharply, while consistent volume tightens the spread and improves execution quality for subsequent traders.
This market resolves around Jul 24, 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. Until that point, traders can adjust positions as new information emerges. Resolution is final once the event is documented and the market is settled according to standard procedures.
Market prices may shift based on fighter training updates, injury reports, or changes in public perception ahead of the bout. Weigh-in results, recent performance footage, or analyst commentary can trigger repricing as traders reassess each competitor's chances. Major news—such as a fighter's withdrawal or venue changes—would cause sharp moves. Additionally, as the event date approaches, uncertainty typically decreases and prices may compress toward the expected outcome. Real-time social media sentiment and betting action on other platforms can also influence trader behavior on this market.