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: Aug 19, 3:42 PM EST
Polymarket
This market refers to the tennis match between Stefano Reitano and Federico Arnaboldi in the ITF M25 Lesa Men, originally scheduled for August 19, 2026 at 10:00AM ET. This market will resolve to 'Stefano Reitano' if Stefano Reitano advances against Federico Arnaboldi. This market will resolve to 'Federico Arnaboldi' if Federico Arnaboldi advances against Stefano Reitano. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Stefano Reitano and Federico Arnaboldi in the ITF M25 Lesa Men, originally scheduled for August 19, 2026 at 10:00AM ET. This market will resolve to 'Stefano Reitano' if Stefano Reitano advances against Federico Arnaboldi. This market will resolve to 'Federico Arnaboldi' if Federico Arnaboldi advances against Stefano Reitano. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Prediction market odds in this market often reflect a different outlook than traditional sportsbook lines. While sportsbooks incorporate expert analysis and adjusted margins, prediction markets aggregate crowd-sourced beliefs, which can lead to sharper or more volatile pricing. Traders watch both sources for discrepancies, but the market here is driven purely by participant sentiment and betting activity on Polymarket.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, traders manually set prices through buying and selling contracts, creating a dynamic market price that reflects their collective view of each player’s chances. The current top outcome’s probability is displayed as a percentage, derived from the relative volume of contracts for each possible result. This decentralized pricing mechanism allows rapid adjustments ahead of the match.
This market resolves around Aug 26, 2026, with the outcome confirmed once the match result is verifiable from credible public reporting. The final score and winner will be checked against official tournament records to close all contracts. Timing depends on when authoritative sources publish the result, typically shortly after the match concludes.
Injuries, player form updates, or weather conditions affecting the match could shift this market. Media interviews, betting trends, and pre-match odds from other sportsbooks may also influence trader sentiment. Any new information that changes perceptions of each player’s likelihood to win can cause rapid price swings on Polymarket as participants react.