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 20, 4:00 AM EST
Polymarket
This market refers to the tennis match between Lorenzo Sonego and Joel Schwaerzler in the Swiss Open, originally scheduled for July 13, 2026 at 4:00AM ET. This market will resolve to 'Lorenzo Sonego' if Lorenzo Sonego advances against Joel Schwaerzler. This market will resolve to 'Joel Schwaerzler' if Joel Schwaerzler advances against Lorenzo Sonego. 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 Lorenzo Sonego and Joel Schwaerzler in the Swiss Open, originally scheduled for July 13, 2026 at 4:00AM ET. This market will resolve to 'Lorenzo Sonego' if Lorenzo Sonego advances against Joel Schwaerzler. This market will resolve to 'Joel Schwaerzler' if Joel Schwaerzler advances against Lorenzo Sonego. 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 sportsbook odds often diverge because they reflect different participant pools and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are driven by trader consensus and real-money conviction. Traders here profit directly from accuracy, creating pressure toward true probability estimates. Comparing this market's odds to major sportsbooks can reveal where bettors and prediction traders disagree, sometimes highlighting value or contrarian positioning on the match outcome.
On Polymarket, this market is priced through an automated market maker that converts trader buy and sell orders into real-time odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each outcome has a price between 0 and 100 cents, representing the crowd's estimated probability. As traders buy or sell shares, the price adjusts continuously. Higher prices indicate stronger confidence in that outcome. The spread between bid and ask prices reflects market liquidity and uncertainty, tightening when conviction is high and widening when traders are divided.
This market resolves around Jul 20, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome is determined by the official match result—which player wins the contest. Traders holding shares in the correct outcome receive their payout, while incorrect positions expire worthless. Resolution happens automatically after confirmation, ensuring all traders are settled fairly based on the actual event result.
Several factors can shift odds before the match begins. Recent player form, head-to-head records, and injury reports often trigger sharp moves. Court surface preference, weather conditions, and tournament momentum also influence trader positioning. News about player fitness or mental state can spark volatility. As the match date approaches, late-breaking developments—such as lineup changes or unexpected statements—may cause rapid repricing. Early match action, if the market remains open during play, would reflect live performance and momentum swings.