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 15, 6:00 AM EST
Polymarket
This market tracks the total number of games played in the fourth set of the Jannik Sinner versus Novak Djokovic match at Wimbledon ATP. Across Kalshi, Polymarket, and Predict, the consensus probability for the over 10.5 games outcome stands at 100.0%. Resolution will be determined by Official ATP Tour statistics and Grand Slam event organizer records, with credible reporting consensus used if official statistics are not published within 2 hours of match conclusion. Watch for the match scheduled on July 8, 2026 at 6:00 AM ET to see how the fourth set unfolds.
This market refers to the tennis match between Jannik Sinner and Novak Djokovic in the Wimbledon ATP, originally scheduled for July 8, 2026 at 6:00AM ET. This market will resolve to 'Jannik Sinner' if Jannik Sinner advances against Novak Djokovic. This market will resolve to 'Novak Djokovic' if Novak Djokovic advances against Jannik Sinner. 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.
The market resolves based on which player wins set 1 in the specified semifinal match. If the match does not occur before play begins due to injury, walkover, forfeiture, or cancellation, the market resolves to a fair price. If the match is postponed or delayed, the market remains open and closes after the rescheduled match concludes within two weeks. If a player retires, markets that can be unconditionally settled based on completed play resolve accordingly; those that cannot are settled at fair market price at the Exchange's discretion.
This market refers to the tennis match between Jannik Sinner and Novak Djokovic in the Wimbledon ATP, originally scheduled for July 8, 2026 at 6:00AM ET. This market will resolve to 'Jannik Sinner' if Jannik Sinner advances against Novak Djokovic. This market will resolve to 'Novak Djokovic' if Novak Djokovic advances against Jannik Sinner. 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 markets like these operate on real-money stakes and continuous price discovery, often reflecting sharper consensus than traditional sportsbooks. Sportsbooks manage liability and set margins; prediction markets aggregate trader beliefs directly. For tennis matchups, prediction market odds tend to react faster to injury news, surface conditions, and head-to-head momentum. Comparing this market's prices to major sportsbook lines can reveal value, especially when one platform reprices faster than the other.
Polymarket and Kalshi attract different trader bases, contract structures, and liquidity profiles. Polymarket and Kalshi can show different implied probabilities for the same outcome because of liquidity, fee structure, participant mix, and how each venue defines the contract. Polymarket focuses on binary match outcomes, while Kalshi segments the event into set-level propositions, allowing traders to express more granular views. Regulatory frameworks, fee structures, and order-book depth also vary between platforms. These structural differences mean prices can diverge meaningfully, creating arbitrage opportunities for alert traders monitoring both venues.
Injury announcements, recent tournament form, and head-to-head momentum are primary catalysts. Court conditions at Wimbledon, player fitness updates, and warm-up tournament results will shift odds as the event nears. Media narratives around seeding, mental resilience, and surface preference also influence trader positioning. Unexpected withdrawals or late-round upsets in lead-up events can trigger sharp repricing. Monitor player social media, official ATP communications, and betting-market volume spikes for early signals of shifting conviction.