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: Jun 24, 6:15 AM EST
Polymarket
This market refers to the tennis match between Glib Sekachov and Petros Tsitsipas in the ITF Men Samobor, originally scheduled for June 17, 2026 at 6:15AM ET. This market will resolve to 'Glib Sekachov' if Glib Sekachov advances against Petros Tsitsipas. This market will resolve to 'Petros Tsitsipas' if Petros Tsitsipas advances against Glib Sekachov. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Glib Sekachov and Petros Tsitsipas in the ITF Men Samobor, originally scheduled for June 17, 2026 at 6:15AM ET. This market will resolve to 'Glib Sekachov' if Glib Sekachov advances against Petros Tsitsipas. This market will resolve to 'Petros Tsitsipas' if Petros Tsitsipas advances against Glib Sekachov. 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 International Tennis Federation (ITF). 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 odds to balance their book and manage risk, while prediction markets like Polymarket aggregate the beliefs of many independent traders competing for profit. Prediction markets can sometimes offer sharper, more efficient pricing because traders have direct financial skin in the game and no house edge to overcome. However, sportsbooks may occasionally move faster on breaking news. Comparing this market's odds to major sportsbook lines can reveal whether traders are pricing in information the books haven't yet reflected.
On Polymarket, traders set the odds by buying and selling outcome shares in an automated market maker system. 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 estimate: higher prices mean the market views that outcome as more likely, while lower prices suggest lower perceived probability. As new information surfaces—player injuries, recent form, or head-to-head history—traders adjust their positions, moving the price up or down. This continuous repricing mechanism ensures the market stays responsive and incorporates available evidence in real time.
This market resolves around Jun 24, 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, determining which trader positions are correct. Until that point, prices may fluctuate as traders reassess probabilities based on player news, court conditions, or other relevant developments. Resolution is final once the event is officially recorded and the market settles accordingly.
Several catalysts could shift prices significantly before the match takes place. Player injury announcements or withdrawal news would trigger sharp repricing, as would recent tournament results or head-to-head record updates. Changes in court surface conditions, weather forecasts, or betting line movements at major sportsbooks often prompt traders to adjust positions. Social media sentiment, expert commentary, or unexpected coaching changes can also influence trader behavior. Any official statement about the match status or scheduling changes would likely cause volatility. Traders monitor these signals closely to identify mispricings and capitalize on new information.