TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 3, 6:30 AM EST
Polymarket
This market refers to the tennis match between Federico Arnaboldi and Filiberto Fumagalli in the ITF Men Bergamo, originally scheduled for June 26, 2026 at 6:30AM ET. This market will resolve to 'Federico Arnaboldi' if Federico Arnaboldi advances against Filiberto Fumagalli. This market will resolve to 'Filiberto Fumagalli' if Filiberto Fumagalli advances against Federico Arnaboldi. 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 Federico Arnaboldi and Filiberto Fumagalli in the ITF Men Bergamo, originally scheduled for June 26, 2026 at 6:30AM ET. This market will resolve to 'Federico Arnaboldi' if Federico Arnaboldi advances against Filiberto Fumagalli. This market will resolve to 'Filiberto Fumagalli' if Filiberto Fumagalli advances against Federico Arnaboldi. 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 and sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. This market may show materially different probabilities than traditional betting sites, especially if one venue has sharper information flow or attracts specialized tennis analysts. Comparing the two can reveal where consensus is strongest and where informed traders see value.
On Polymarket, traders set the odds through an automated market maker that adjusts prices based on order flow and liquidity. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. As more traders buy shares predicting one outcome, the price for that outcome rises and the opposing outcome falls, creating a continuous price discovery mechanism. The spread between bid and ask prices reflects current liquidity; tighter spreads indicate more active trading, while wider spreads suggest lower volume or uncertainty among participants.
This market resolves around Jul 3, 2026, once the match concludes and the winner is verified against credible public sources. The outcome is determined by the official result of the ITF Bergamo event; whichever player wins the match will be confirmed as the correct outcome. Resolution typically occurs within hours of the final point, allowing traders to settle their positions based on the authoritative match result.
Several factors may shift trader sentiment before the match begins. Injury reports or withdrawal announcements involving either player could trigger sharp price swings. Recent form, head-to-head records, and court surface preference updates may prompt reassessment of win probabilities. Betting action from professional syndicates or sudden changes in player availability could also move this market. Close to match time, real-time conditions like weather or last-minute lineup changes might drive final repricing as traders adjust their positions.