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 23, 5:00 AM EST
Polymarket
This market refers to the tennis match between Ann Li and Kimberly Birrell in the Nottingham Open, originally scheduled for June 16, 2026 at 5:00AM ET. This market will resolve to 'Ann Li' if Ann Li advances against Kimberly Birrell. This market will resolve to 'Kimberly Birrell' if Kimberly Birrell advances against Ann Li. 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Ann Li and Kimberly Birrell in the Nottingham Open, originally scheduled for June 16, 2026 at 5:00AM ET. This market will resolve to 'Ann Li' if Ann Li advances against Kimberly Birrell. This market will resolve to 'Kimberly Birrell' if Kimberly Birrell advances against Ann Li. 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 WTA Tour. A consensus of credible reporting may also be used.
Prediction market odds and sportsbook odds often diverge because they reflect different incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets aggregate the collective beliefs of traders who have real money at stake. This market may show different probabilities than traditional sports betting sites because traders are directly pricing the outcome without a bookmaker's margin. Comparing the two can reveal where the crowd sees value or where consensus differs from professional oddsmakers.
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 assessment of all participants, with shares trading between 0 and 1 dollar based on perceived likelihood. As new information emerges or trading activity increases, the price adjusts in real time, ensuring the market continuously reprices the probability of each possible result in this tennis matchup.
This market resolves around Jun 23, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result will reflect the actual winner of the match as documented by official tournament records and reputable sports news sources. Once the match concludes and the result is established, the market will settle and traders' positions will be finalized based on the verified outcome.
Several factors could shift the odds before the match takes place. Recent player performance, injury reports, head-to-head records, and court surface conditions are key catalysts that traders monitor closely. Changes in player rankings, fitness updates, or tournament draw announcements may also influence market sentiment. Additionally, betting action from sharp traders or sudden shifts in public interest can drive price movements. Any credible news about either player's form or readiness could prompt rapid repricing of this market.