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: Jun 25, 6:00 AM EST
Polymarket
This market refers to the tennis match between Ksenia Zaytseva and Nancy Lee in the ITF Women Kursumlijska Banja, originally scheduled for June 18, 2026 at 6:00AM ET. This market will resolve to 'Ksenia Zaytseva' if Ksenia Zaytseva advances against Nancy Lee. This market will resolve to 'Nancy Lee' if Nancy Lee advances against Ksenia Zaytseva. 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 Ksenia Zaytseva and Nancy Lee in the ITF Women Kursumlijska Banja, originally scheduled for June 18, 2026 at 6:00AM ET. This market will resolve to 'Ksenia Zaytseva' if Ksenia Zaytseva advances against Nancy Lee. This market will resolve to 'Nancy Lee' if Nancy Lee advances against Ksenia Zaytseva. 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 lines to balance action and lock in profit margins, while prediction markets aggregate trader beliefs through continuous price discovery. This market's odds may lead or lag traditional sportsbook lines depending on information flow and liquidity. Comparing the two can reveal where professional bettors and casual traders disagree on the likely outcome, offering insight into consensus strength.
On Polymarket, traders set prices by buying and selling outcome shares in a continuous order-book model. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price of each outcome reflects the aggregate belief of all active traders at any given moment. As new information surfaces—player form, injury reports, or head-to-head history—traders adjust their positions, moving the odds. Liquidity and trading volume influence how quickly prices respond to news, with deeper markets responding more efficiently to shifts in expectation.
This market resolves around Jun 25, 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 the ITF or recognized tennis databases. Until that point, traders can continue to buy and sell shares as odds fluctuate. Resolution is automatic once the event is finalized, ensuring all positions settle fairly based on the actual match outcome.
Several factors could shift odds before the match concludes. Player injury announcements or withdrawal news would immediately reprrice the market. Recent tournament performance, head-to-head records, and court surface suitability influence trader positioning. Weather conditions or scheduling changes may also trigger movement. Media coverage highlighting player form or psychological factors can sway sentiment. As the match date approaches, any official updates from the ITF or player social media could prompt rapid trading activity, reflecting new information entering the market.