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 17, 3:30 PM EST
Polymarket
This market refers to the tennis match between Greet Minnen and Madison Brengle in the Newport, originally scheduled for July 10, 2026 at 3:30PM ET. This market will resolve to 'Greet Minnen' if Greet Minnen advances against Madison Brengle. This market will resolve to 'Madison Brengle' if Madison Brengle advances against Greet Minnen. 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 Greet Minnen and Madison Brengle in the Newport, originally scheduled for July 10, 2026 at 3:30PM ET. This market will resolve to 'Greet Minnen' if Greet Minnen advances against Madison Brengle. This market will resolve to 'Madison Brengle' if Madison Brengle advances against Greet Minnen. 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 traditional 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 are driven by trader consensus and real money at stake. This market aggregates the collective judgment of participants who profit or lose based on accuracy, which can sometimes surface insights before mainstream oddsmakers adjust their lines. Comparing the two can reveal where smart money is positioning itself relative to conventional betting markets.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each outcome is represented as a tradable share, and the price of each share reflects the collective belief about that outcome's likelihood. As traders buy or sell shares, the price adjusts automatically to balance supply and demand. This mechanism ensures continuous liquidity and transparent pricing throughout the market's lifetime, allowing participants to enter or exit positions at any time before the market resolves.
This market resolves around Jul 17, 2026, once the tennis match concludes and the winner is verified against credible public sources. The outcome is determined by the official result of the match between the two players. Until that point, traders can continue to buy and sell shares as new information and match conditions emerge. Resolution is automatic once the event result is confirmed, and payouts are distributed to holders of the winning outcome.
Several factors can shift trader sentiment and move prices in this market. Recent performance data, head-to-head records, and player rankings may influence expectations before the match. Court surface preferences, weather conditions, and injury reports closer to the event date can trigger significant repricing. Tournament momentum, player form in warm-up matches, and betting patterns from professional bettors often act as leading indicators. Real-time match developments—such as early set results or momentum swings—can also drive sharp price movements as traders update their probability estimates.