TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 20, 4:00 AM EST
Polymarket
This market refers to the tennis match between Stefano Napolitano and Felix Balshaw in the Cordenons, originally scheduled for July 13, 2026 at 4:00AM ET. This market will resolve to 'Stefano Napolitano' if Stefano Napolitano advances against Felix Balshaw. This market will resolve to 'Felix Balshaw' if Felix Balshaw advances against Stefano Napolitano. 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 Stefano Napolitano and Felix Balshaw in the Cordenons, originally scheduled for July 13, 2026 at 4:00AM ET. This market will resolve to 'Stefano Napolitano' if Stefano Napolitano advances against Felix Balshaw. This market will resolve to 'Felix Balshaw' if Felix Balshaw advances against Stefano Napolitano. 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 manage risk, while prediction markets aggregate the beliefs of traders who profit or lose based on accuracy. This market may show materially different odds than major sportsbooks, especially as new information emerges or as the event date approaches. Comparing the two can reveal whether professional bettors and prediction market traders hold aligned or conflicting views on the likely outcome.
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 converts trader activity into real-time probabilities. When you buy shares representing one outcome, the price rises; when you sell, it falls. The current odds reflect the cumulative positions of all traders on the platform. Liquidity and trading volume directly influence how easily you can enter or exit a position, and price discovery happens continuously as new information or sentiment shifts the balance of buy and sell orders.
This market resolves around Jul 20, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will reflect whether the match was completed and, if so, which fighter prevailed. Until that date, traders can continue to adjust their positions based on fighter news, training updates, or other developments that might influence expectations. Once the event concludes and the result is confirmed, the market will settle and payouts will be distributed to holders of the winning outcome.
Several catalysts could shift odds significantly before the scheduled date. Injury announcements, training camp reports, or fighter statements may alter perceptions of readiness or form. Changes in fighter rankings, recent performance by either competitor, or news about the venue and fight conditions could also influence trader sentiment. Media coverage, expert commentary, and social media momentum sometimes drive rapid repricing. Additionally, any official postponement or cancellation news would trigger immediate market movement, as would last-minute changes to the matchup itself.