TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 21, 6:22 PM EST
Polymarket
This market refers to the tennis match between Colton Smith and J.J. Wolf in the Bloomfield Hills, originally scheduled for July 20, 2026 at 10:00AM ET. This market will resolve to 'Colton Smith' if Colton Smith advances against J.J. Wolf. This market will resolve to 'J.J. Wolf' if J.J. Wolf advances against Colton Smith. 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 Colton Smith and J.J. Wolf in the Bloomfield Hills, originally scheduled for July 20, 2026 at 10:00AM ET. This market will resolve to 'Colton Smith' if Colton Smith advances against J.J. Wolf. This market will resolve to 'J.J. Wolf' if J.J. Wolf advances against Colton Smith. 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 bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets aggregate trader beliefs through continuous price discovery. This market may show higher or lower implied probabilities than traditional sportsbooks, depending on whether informed traders or casual bettors dominate activity. Comparing the two can reveal where smart money sees value, though both should be viewed as independent estimates rather than confirmations of true likelihood.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probability quotes. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the price of each share reflects the collective assessment of all traders active on the platform. As new information emerges or trader sentiment shifts, prices adjust instantly. The current odds are visible on the market page and update with every transaction, giving you a live window into how the crowd is positioning ahead of the match.
This market resolves around Jul 27, 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, determining which trader positions are correct. Until that point, prices may fluctuate as new developments, player news, or betting patterns influence trader behavior. Resolution is automatic once the event data is confirmed, settling all open positions according to the final outcome.
Player form, recent match results, and head-to-head history typically drive significant price swings in tennis markets. Injury reports, court surface conditions, and weather forecasts closer to match day can shift trader positioning sharply. Betting syndicate activity or sharp money flowing into one side often signals confidence and can trigger cascading price moves. Media coverage highlighting either player's momentum, ranking changes, or tournament context may also influence how traders reassess the probabilities. Watch for any official announcements or credible reporting that could alter perceived match dynamics.