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: Jul 22, 4:00 AM EST
Polymarket
This market refers to the tennis match between Stefano D'agostino and Odysseas Geladaris in the ITF Men Gubbio, originally scheduled for July 15, 2026 at 4:00AM ET. This market will resolve to 'Stefano D'agostino' if Stefano D'agostino advances against Odysseas Geladaris. This market will resolve to 'Odysseas Geladaris' if Odysseas Geladaris advances against Stefano D'agostino. 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 D'agostino and Odysseas Geladaris in the ITF Men Gubbio, originally scheduled for July 15, 2026 at 4:00AM ET. This market will resolve to 'Stefano D'agostino' if Stefano D'agostino advances against Odysseas Geladaris. This market will resolve to 'Odysseas Geladaris' if Odysseas Geladaris advances against Stefano D'agostino. 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 manage risk, while prediction markets aggregate beliefs from traders who have real money at stake on accuracy. For this market, prediction market participants may price outcomes differently than traditional sportsbooks because they are motivated purely by forecasting skill rather than managing liability. Comparing the two can reveal where one venue sees value the other may have missed, though both aim to reflect underlying probabilities.
On Polymarket, this market is priced through an automated market maker that converts trader positions into real-time odds. 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 all participants; as more traders buy or sell a particular result, the odds shift to balance supply and demand. This continuous pricing mechanism ensures liquidity and allows you to enter or exit positions at transparent, market-determined rates. The system incentivizes accurate forecasting because traders profit when their predictions prove correct.
This market resolves around Jul 22, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect the actual winner of the match as documented by official tennis records and reputable sports news sources. Once the match concludes and the result is confirmed, the market will settle automatically, paying out traders who correctly predicted the outcome. All positions will be finalized based on the verified match result.
Several factors could shift odds before resolution. Player injury reports or withdrawal announcements would trigger sharp repricing, as would changes in court conditions or weather forecasts on match day. Recent form updates, head-to-head record analysis, and betting news from other venues may prompt traders to adjust their positions. Unexpected lineup changes or official tournament updates could also influence sentiment. Real-time match commentary during play, if available, would likely cause rapid price swings as traders react to live performance data and momentum shifts.