TOTAL VOLUME:
$134.2b
24H VOL:
$130,522,377
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,438,389,636
404,028
Markets across
30,214
events
MATCHED EVENTS:
2,681
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 24, 7:00 AM EST
Polymarket
This market refers to the tennis match between Frances Tiafoe and Sho Shimabukuro in the Halle Open, originally scheduled for June 17, 2026 at 7:00AM ET. This market will resolve to 'Frances Tiafoe' if Frances Tiafoe advances against Sho Shimabukuro. This market will resolve to 'Sho Shimabukuro' if Sho Shimabukuro advances against Frances Tiafoe. 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 Frances Tiafoe and Sho Shimabukuro in the Halle Open, originally scheduled for June 17, 2026 at 7:00AM ET. This market will resolve to 'Frances Tiafoe' if Frances Tiafoe advances against Sho Shimabukuro. This market will resolve to 'Sho Shimabukuro' if Sho Shimabukuro advances against Frances Tiafoe. 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 traditional 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. This market may show a different implied probability than major sportsbooks, especially as new information emerges or if one venue attracts sharper or more specialized bettors. Comparing the two can reveal where consensus is strongest or where outlier views exist.
On Polymarket, traders set the odds by buying and selling outcome shares in an automated market maker pool. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each share reflects the collective assessment of all active traders at any moment, with the total probability across all outcomes summing to 100 percent. As new bets flow in, the price adjusts algorithmically to incentivize balanced liquidity. This continuous repricing mechanism means the implied odds can shift rapidly in response to breaking news, injury reports, or shifts in trader conviction.
This market resolves around Jun 24, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official winner of the contest, as documented by the tournament organizers and major sports news outlets. Until that point, traders can continue to buy and sell shares as odds fluctuate with pre-match developments and live action.
Key catalysts include injury announcements or withdrawal news affecting either player, recent performance trends and head-to-head records, court conditions and surface suitability, and any changes to seeding or bracket positioning. Betting syndicate activity and sharp money flowing into one side can also shift implied odds quickly. Live match developments—such as early set outcomes, momentum swings, or visible fatigue—will drive real-time repricing as traders update their conviction. Media coverage and analyst commentary may also influence retail trader participation.