TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 22, 4:30 AM EST
Polymarket
This market refers to the tennis match between Isabella Maria Serban and Tereza Krejcova in the ITF Women Olomouc, originally scheduled for July 15, 2026 at 4:30AM ET. This market will resolve to 'Isabella Maria Serban' if Isabella Maria Serban advances against Tereza Krejcova. This market will resolve to 'Tereza Krejcova' if Tereza Krejcova advances against Isabella Maria Serban. 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 Isabella Maria Serban and Tereza Krejcova in the ITF Women Olomouc, originally scheduled for July 15, 2026 at 4:30AM ET. This market will resolve to 'Isabella Maria Serban' if Isabella Maria Serban advances against Tereza Krejcova. This market will resolve to 'Tereza Krejcova' if Tereza Krejcova advances against Isabella Maria Serban. 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 often diverge from traditional sportsbook lines because they reflect real-time trader positioning rather than a fixed bookmaker margin. On prediction markets, prices adjust dynamically as new information emerges and traders adjust their positions. Sportsbooks, by contrast, set odds with built-in profit margins and may move more slowly. For this market, comparing the implied probability here to major sportsbook lines can reveal whether traders are pricing the match differently than professional oddsmakers, potentially signaling where smart money sees value.
On Polymarket, this market is priced through an automated market maker that converts trader buy and sell orders into real-time odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price you see reflects the cumulative conviction of all participants; as more traders back one outcome, its price rises and the alternative falls. You can enter or exit your position at any time before resolution, and your entry price is locked in immediately. This continuous pricing mechanism ensures transparent, friction-free discovery of the true probability both sides assign to the match.
This market resolves around Jul 22, 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, with no ambiguity about who won. Until that point, traders can continue to buy and sell positions as new information—such as player form, injury updates, or court conditions—becomes available. Resolution is automatic once the event is finalized.
Several factors could shift the odds before Jul 22, 2026. Player injury reports, recent tournament performance, head-to-head records, and court surface conditions are all common catalysts. Betting news from sportsbooks or sharp action on other platforms can also influence trader behavior here. Weather forecasts closer to match day, withdrawal announcements, or unexpected lineup changes would likely trigger repricing. Real-time match flow—if one player breaks serve early or dominates a set—could also drive rapid position adjustments as traders update their win probability estimates.