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 21, 6:55 PM EST
Polymarket
This market refers to the tennis match between Bernard Tomic and Tristan Boyer in the Bloomfield Hills, originally scheduled for July 20, 2026 at 10:00AM ET. This market will resolve to 'Bernard Tomic' if Bernard Tomic advances against Tristan Boyer. This market will resolve to 'Tristan Boyer' if Tristan Boyer advances against Bernard Tomic. 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 Bernard Tomic and Tristan Boyer in the Bloomfield Hills, originally scheduled for July 20, 2026 at 10:00AM ET. This market will resolve to 'Bernard Tomic' if Bernard Tomic advances against Tristan Boyer. This market will resolve to 'Tristan Boyer' if Tristan Boyer advances against Bernard Tomic. 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 manage risk, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. This market may show different implied probabilities than traditional sports betting sites, especially as new information surfaces or as the event approaches. Comparing the two can reveal where one venue sees value the other has missed, though both ultimately depend on the same underlying event.
On Polymarket, this market is priced through an automated market maker that adjusts odds based on the ratio of shares bought and sold for each outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders purchase shares representing their prediction, and the cumulative trading activity determines the current probability displayed on the platform. The more capital flowing into one outcome, the higher its price rises, and vice versa. This continuous pricing mechanism ensures the market reflects the collective judgment of all active traders in real time.
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 player prevails. Until that point, traders can continue to buy and sell shares as odds fluctuate with new developments, player news, or shifting expectations about performance.
Several factors could shift odds in this market before Jul 27, 2026. Recent player performance, injury reports, or changes in ranking or form could alter trader expectations. Court conditions, weather, and head-to-head history may also influence sentiment. News about either player's preparation, coaching changes, or confidence statements could trigger buying or selling pressure. As the match date approaches, increased media coverage and expert analysis often drive volatility, and any last-minute developments—such as fitness concerns or tactical adjustments—may cause sharp price movements.