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 13, 6:00 AM EST
Polymarket
This market tracks whether the Wimbledon ATP match between Grigor Dimitrov and Arthur Fery will go over or under 4.5 total sets played. On Polymarket, the over 4.5 sets outcome is currently priced at 100.0%. Resolution will be determined by the official ATP Tour scoring records. Watch for the match completion on or around July 13, 2026, which marks the resolution date window for this betting period.
This market refers to the tennis match between Grigor Dimitrov and Arthur Fery in the Wimbledon ATP, originally scheduled for July 6, 2026 at 6:00AM ET. This market will resolve to 'Grigor Dimitrov' if Grigor Dimitrov advances against Arthur Fery. This market will resolve to 'Arthur Fery' if Arthur Fery advances against Grigor Dimitrov. 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 incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets like this one are driven purely by trader belief and capital allocation. Prediction markets typically incorporate real-time information more efficiently and can adjust faster to breaking news or injury reports. However, sportsbooks may offer tighter spreads and more liquidity in some cases. Comparing the two can reveal where professional oddsmakers and decentralized traders disagree on match probability.
On Polymarket, traders set the price of this market through an automated market maker mechanism where buying and selling shares directly moves the odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current implied probability reflects the aggregate belief of all active traders, with each transaction updating the price in real time. Shares cost between 0 and 1 cent, and the total probability across all outcomes always equals 100 percent. This continuous pricing model means the market can respond instantly to new developments, player updates, or shifts in trader sentiment leading up to the match.
This market resolves around Jul 13, 2026, once the Wimbledon ATP match concludes and the result is verifiable from credible public reporting. The outcome is determined by which player wins the match in regulation play. Resolution occurs after the final point is played and the victor is officially confirmed by tournament organizers. Traders holding shares in the winning outcome receive their payout, while losing shares expire worthless. The exact timing may shift slightly if the match is postponed or rescheduled.
Several factors could shift odds before the match concludes. Injury reports or withdrawal announcements for either player would trigger sharp repricing. Recent tournament performance, head-to-head records, and court conditions at Wimbledon all influence trader positioning. Weather delays or scheduling changes can also affect market sentiment. Media coverage highlighting form, fitness, or psychological momentum may prompt traders to adjust their positions. Betting activity from professional syndicates or sharp money often signals new information, causing rapid price swings. Even minor updates from official sources or coaching staff can move the implied probability.