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 12, 9:42 PM EST
Opinion
In the upcoming ATP singles match scheduled for 2026-07-12 15:10 UTC: if Jannik Sinner wins the match, this market resolves to "Jannik Sinner"; if Alexander Zverev wins, it resolves to "Alexander Zverev". The winner is the first player to claim the required number of sets under the match's official best-of format. If the match begins but is not completed, a retirement or default counts the opposing player as the winner. If a walkover is declared before the first point is played, the match is outright canceled, or it is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. Suspensions caused by weather, fading light, or other tournament-imposed delays do not close this market — it stays open until the match is officially completed, provided it concludes within the 7-day window mentioned above. Resolution Source: The official ATP Tour scoring page. Note: This market will resolve strictly based on the first officially published result from the designated source. Any subsequent revisions will not affect this resolution.
In the upcoming ATP singles match scheduled for 2026-07-12 15:10 UTC: if Jannik Sinner wins the match, this market resolves to "Jannik Sinner"; if Alexander Zverev wins, it resolves to "Alexander Zverev". The winner is the first player to claim the required number of sets under the match's official best-of format. If the match begins but is not completed, a retirement or default counts the opposing player as the winner. If a walkover is declared before the first point is played, the match is outright canceled, or it is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. Suspensions caused by weather, fading light, or other tournament-imposed delays do not close this market — it stays open until the match is officially completed, provided it concludes within the 7-day window mentioned above. Resolution Source: The official ATP Tour scoring page. Note: This market will resolve strictly based on the first officially published result from the designated source. Any subsequent revisions will not affect this resolution.
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. For this market, comparing the implied probability here to major sportsbook lines can reveal whether bettors and traders see the matchup differently. Prediction markets sometimes lead sportsbooks in pricing efficiency, particularly when new information emerges closer to event time.
On Opinion, this market is priced through continuous order flow, where traders buy and sell shares representing each outcome. On Opinion, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the collective willingness of traders to commit capital, with higher prices indicating stronger consensus. As new information surfaces or trader sentiment shifts, prices adjust in real time. This mechanism ensures that the market continuously incorporates available evidence about the likely result.
This market resolves around Jul 12, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official match result reported by recognized tennis authorities and major sports news outlets. Until that time, prices will fluctuate as traders update their expectations based on player form, injury reports, head-to-head records, and other relevant factors leading up to the event.
Several catalysts could shift prices significantly before resolution. Injury announcements or fitness updates for either player typically trigger sharp moves, as do recent tournament results and performance trends. Changes in court surface conditions, weather forecasts, or draw-related news can also influence trader positioning. Additionally, any official statements from either player's camp, coaching changes, or unexpected withdrawals would prompt rapid repricing. Traders actively monitor ATP rankings, head-to-head records, and pre-match commentary as the event date approaches.