TOTAL VOLUME:
$134.2b
24H VOL:
$143,246,370
24H TRANSACTIONS:
2,403,290,006
OPEN INTEREST:
$1,452,035,386
405,032
Markets across
30,543
events
MATCHED EVENTS:
2,690
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 25, 7:30 AM EST
Polymarket
This market refers to the tennis match between Alexander Shevchenko and Stefanos Tsitsipas in the Swiss Open, originally scheduled for July 18, 2026 at 7:30AM ET. This market will resolve to 'Alexander Shevchenko' if Alexander Shevchenko advances against Stefanos Tsitsipas. This market will resolve to 'Stefanos Tsitsipas' if Stefanos Tsitsipas advances against Alexander Shevchenko. 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 Alexander Shevchenko and Stefanos Tsitsipas in the Swiss Open, originally scheduled for July 18, 2026 at 7:30AM ET. This market will resolve to 'Alexander Shevchenko' if Alexander Shevchenko advances against Stefanos Tsitsipas. This market will resolve to 'Stefanos Tsitsipas' if Stefanos Tsitsipas advances against Alexander Shevchenko. 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 markets and traditional sportsbooks use different mechanisms to set odds. Sportsbooks employ oddsmakers and adjust lines to manage liability, while prediction markets aggregate trader beliefs through continuous buying and selling. On Polymarket, odds emerge from supply and demand rather than a centralized bookmaker. This can lead to meaningful differences in implied probability, especially as new information emerges or major events approach. Comparing this market's odds to sportsbook lines may reveal where the crowd on Polymarket diverges from professional oddsmakers, offering insight into relative confidence levels.
On Polymarket, this market is priced through an automated market maker that allows traders to buy or sell shares representing each outcome. 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 probability assigned by all participants; as traders place orders, the price adjusts in real time. Shares that traders believe are underpriced attract buying pressure, driving the price up, while overpriced shares see selling. This continuous price discovery mechanism means the odds you see represent the live consensus of active traders on the platform at any given moment.
This market resolves around Jul 25, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official result of the event—whether one player defeats the other. At that point, winning shares are paid out and losing shares expire worthless. Until resolution, you can trade your position at any time, allowing you to lock in gains, cut losses, or adjust your exposure based on new developments or changing sentiment.
Several factors may shift trader sentiment and move prices before Jul 25, 2026. Recent player performance, injury reports, head-to-head records, and court conditions can all influence expectations. Media coverage, expert commentary, and betting patterns on other platforms may also sway perception. Changes in player ranking or ranking points at stake can affect motivation. As the match date approaches, any news regarding player fitness, form, or external circumstances could trigger sharp price moves. Traders often react quickly to breaking information, so monitoring sports news and player social media can help you anticipate market shifts.