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 14, 11:00 AM EST
Polymarket
This market refers to the tennis match between Sachia Vickery and Reese Brantmeier in the Newport, originally scheduled for July 7, 2026 at 11:00AM ET. This market will resolve to 'Sachia Vickery' if Sachia Vickery advances against Reese Brantmeier. This market will resolve to 'Reese Brantmeier' if Reese Brantmeier advances against Sachia Vickery. 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 Sachia Vickery and Reese Brantmeier in the Newport, originally scheduled for July 7, 2026 at 11:00AM ET. This market will resolve to 'Sachia Vickery' if Sachia Vickery advances against Reese Brantmeier. This market will resolve to 'Reese Brantmeier' if Reese Brantmeier advances against Sachia Vickery. 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 participant bases and incentive structures. Sportsbooks set lines to balance action and protect their margins, while prediction markets are driven purely by trader conviction and capital allocation. This market may price the outcome differently than traditional sportsbooks because traders are directly exposed to the result without a bookmaker's vig. Comparing the two can reveal where smart money sees value relative to conventional betting lines.
On Polymarket, traders set the odds through an automated market maker that adjusts prices based on buy and sell volume. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more capital flowing toward one outcome, the higher its price climbs, and vice versa. This continuous price discovery mechanism means the market reflects real-time consensus among all active participants. You can enter or exit your position at any time before resolution, with the price you receive determined by the current state of the order book and liquidity available.
This market resolves around Jul 14, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will reflect which player wins the Newport event. Until that point, you can trade your position freely as new information and match developments influence market sentiment. Resolution is automatic once the event is confirmed, ensuring all traders settle fairly based on the actual result.
Several factors could shift odds before the match takes place. Recent form and head-to-head records between the two players often influence trader positioning. Injury reports, court surface conditions, and weather forecasts at Newport can all trigger repricing. Media coverage, expert predictions, and betting action from sharp bettors may also move the market as new information emerges. Tournament momentum and player confidence going into the match represent additional catalysts that traders monitor closely.