TOTAL VOLUME:
$134.1b
24H VOL:
$113,466,932
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,423,222,590
402,751
Markets across
30,217
events
MATCHED EVENTS:
2,632
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 9, 6:00 AM EST
Polymarket
This market refers to the tennis match between Liam Branger and Sergio Callejon Hernando in the ITF Men Ajaccio, originally scheduled for July 2, 2026 at 6:00AM ET. This market will resolve to 'Liam Branger' if Liam Branger advances against Sergio Callejon Hernando. This market will resolve to 'Sergio Callejon Hernando' if Sergio Callejon Hernando advances against Liam Branger. 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 Liam Branger and Sergio Callejon Hernando in the ITF Men Ajaccio, originally scheduled for July 2, 2026 at 6:00AM ET. This market will resolve to 'Liam Branger' if Liam Branger advances against Sergio Callejon Hernando. This market will resolve to 'Sergio Callejon Hernando' if Sergio Callejon Hernando advances against Liam Branger. 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. Traders in this market may incorporate specialized knowledge, real-time updates, or contrarian views that sportsbooks haven't fully priced in. Comparing the two can reveal where consensus differs and highlight potential analytical edges, though both should be treated as estimates rather than certainties.
On Polymarket, traders set the odds through an automated market maker that adjusts prices based on order flow and share inventory. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current probability reflects the collective assessment of all active traders, with shares trading between 0 and 1 dollar depending on perceived likelihood. As traders buy or sell, the price moves to balance supply and demand. This mechanism incentivizes accurate pricing because traders profit by identifying mispriced outcomes before the event resolves.
This market resolves around Jul 9, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result—whether Branger or Callejon Hernando wins. Traders holding shares in the winning outcome receive their payout, while losing shares expire worthless. The resolution hinges on the match being completed and the winner being officially recorded by the tournament organizer or recognized sports data providers.
Several factors could shift trader sentiment before the match concludes. Player injuries, illness, or withdrawal announcements would trigger sharp repricing. Recent form updates, head-to-head records, or court conditions at the venue may influence expectations. Betting news from major sportsbooks or shifts in casual betting volume can signal new information. Weather forecasts, travel delays, or scheduling changes could also impact odds. Real-time match developments—such as early set outcomes or momentum swings—will likely drive the most dramatic price movements as traders update their beliefs.