TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 25, 10:00 AM EST
Polymarket
This market refers to the tennis match between Elizabeth Mandlik and Kayla Cross in the ITF Women Granby, originally scheduled for July 18, 2026 at 10:00AM ET. This market will resolve to 'Elizabeth Mandlik' if Elizabeth Mandlik advances against Kayla Cross. This market will resolve to 'Kayla Cross' if Kayla Cross advances against Elizabeth Mandlik. 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 Elizabeth Mandlik and Kayla Cross in the ITF Women Granby, originally scheduled for July 18, 2026 at 10:00AM ET. This market will resolve to 'Elizabeth Mandlik' if Elizabeth Mandlik advances against Kayla Cross. This market will resolve to 'Kayla Cross' if Kayla Cross advances against Elizabeth Mandlik. 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 markets and traditional sportsbooks price outcomes differently. Sportsbooks set odds to balance their book and lock in profit margins, while prediction markets aggregate trader beliefs through continuous buying and selling. This market reflects crowdsourced expectations rather than a bookmaker's margin-adjusted line. Over time, prediction markets often converge toward consensus as more information surfaces, though they can diverge from sportsbook prices during periods of low volume or when one venue reacts faster to breaking news. Both serve as useful benchmarks for comparing expected probabilities.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probability estimates. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the current price of a share directly reflects the crowd's belief in that outcome occurring. As more traders buy or sell, the price adjusts instantly. The spread between bid and ask prices tightens or widens based on order flow and participation, so higher volume typically means tighter spreads and more efficient pricing.
This market resolves around Jul 25, 2026, once the ITF Granby match between the two players concludes. The outcome is determined by the verified result of the completed match, confirmed against credible public sources covering professional tennis. Traders holding shares in the winning outcome receive their payout, while losing positions expire worthless. The resolution process is automatic once the event result is finalized and reported through established tennis databases and official tournament records.
Several factors could shift trader sentiment before the match concludes. Recent performance trends, head-to-head history, and player rankings influence expectations. Court surface preference, injury reports, or weather conditions at the venue may trigger repricing as new details emerge. Tournament seeding and draw positioning also matter in ITF events. Additionally, if either player's form changes dramatically in preceding matches, or if betting patterns on external sportsbooks shift noticeably, prediction market traders often react by adjusting their positions, causing the odds to move.