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 21, 2:00 PM EST
Polymarket
This market refers to the tennis match between Rachel Gailis and Alexis Nguyen in the ITF Women Dallas, originally scheduled for July 14, 2026 at 2:00PM ET. This market will resolve to 'Rachel Gailis' if Rachel Gailis advances against Alexis Nguyen. This market will resolve to 'Alexis Nguyen' if Alexis Nguyen advances against Rachel Gailis. 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 Rachel Gailis and Alexis Nguyen in the ITF Women Dallas, originally scheduled for July 14, 2026 at 2:00PM ET. This market will resolve to 'Rachel Gailis' if Rachel Gailis advances against Alexis Nguyen. This market will resolve to 'Alexis Nguyen' if Alexis Nguyen advances against Rachel Gailis. 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 trader bases and incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets aggregate beliefs from participants who profit by forecasting accurately. This market may show higher or lower probabilities than traditional sports betting sites, depending on which venue's participants have stronger conviction. Comparing the two can reveal where informed traders see value relative to conventional oddsmakers.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time probability estimates. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Buyers and sellers trade shares representing each possible outcome, and the price of each share reflects the collective assessment of that outcome's likelihood. As more capital flows into one side, the price adjusts automatically, ensuring the market remains responsive to new information and trader conviction right up until the event concludes.
This market resolves around Jul 21, 2026, once the tennis match concludes and the result is verifiable from credible public reporting. The outcome is determined by which player wins the match at the ITF Dallas event. Once the match is officially completed and confirmed through established sports data sources, the market settles accordingly, with winning shares paid out at full value and losing shares expiring worthless.
Several factors could shift trader sentiment before Jul 21, 2026. Recent performance data, head-to-head records, injury reports, or player ranking changes may prompt repricing. Court surface conditions, weather forecasts, and draw announcements closer to the event can also influence odds. News about either player's form, confidence, or preparation could trigger volume spikes and price swings. As match day approaches, any official updates or late-breaking developments will likely drive renewed trading activity in this market.