TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 3, 5:00 AM EST
Polymarket
This market refers to the tennis match between Giovanni Oradini and Marcello Serafini in the ITF Men Bergamo, originally scheduled for June 26, 2026 at 5:00AM ET. This market will resolve to 'Giovanni Oradini' if Giovanni Oradini advances against Marcello Serafini. This market will resolve to 'Marcello Serafini' if Marcello Serafini advances against Giovanni Oradini. 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 Giovanni Oradini and Marcello Serafini in the ITF Men Bergamo, originally scheduled for June 26, 2026 at 5:00AM ET. This market will resolve to 'Giovanni Oradini' if Giovanni Oradini advances against Marcello Serafini. This market will resolve to 'Marcello Serafini' if Marcello Serafini advances against Giovanni Oradini. 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 traditional sportsbook odds often diverge because they reflect different participant bases and incentive structures. Sportsbooks set odds to balance action and lock in profit margins, while prediction markets like this one aggregate decentralized trader beliefs through continuous price discovery. Sportsbook odds may incorporate sharper professional betting syndicates, whereas prediction markets can be more responsive to retail sentiment and real-time information flow. Comparing the two can reveal where consensus differs and highlight potential value opportunities in either venue.
On Polymarket, this market is priced through an automated market maker and order-book mechanism where traders directly buy and sell outcome shares. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the cumulative bets placed by the community; as more traders back one result, its share price rises and the implied probability adjusts accordingly. This continuous pricing model means odds can shift rapidly in response to new information, breaking news, or player updates. Traders profit by correctly predicting which outcome will ultimately occur, creating strong incentives for accurate price discovery.
This market resolves around Jul 3, 2026, once the ITF Bergamo match concludes and the result is verified against credible public sources. The outcome is determined by the official match result—specifically, which player wins the contest. Resolution occurs after the event is complete and the winner is confirmed through established tennis reporting channels. Traders holding shares in the winning outcome receive their payout, while incorrect positions expire worthless.
Several factors could shift odds in this market before resolution. Player injury reports, recent form and momentum, head-to-head history, and court surface conditions are key catalysts. News about either competitor's fitness, training updates, or statements from coaching staff can trigger repricing. Tournament draw announcements, weather forecasts affecting play, and betting action from informed insiders may also influence trader positioning. Real-time match developments—such as early set results if the market remains open during play—could generate rapid volatility as new information reaches the prediction market.