TOTAL VOLUME:
$134b
24H VOL:
$107,351,958
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,416,970,024
400,720
Markets across
30,097
events
MATCHED EVENTS:
2,633
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 6, 6:00 AM EST
Polymarket
This market refers to the tennis match between Jelena Ostapenko and Harriet Dart in the Wimbledon WTA, originally scheduled for June 29, 2026 at 6:00AM ET. This market will resolve to 'Jelena Ostapenko' if Jelena Ostapenko advances against Harriet Dart. This market will resolve to 'Harriet Dart' if Harriet Dart advances against Jelena Ostapenko. 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 Jelena Ostapenko and Harriet Dart in the Wimbledon WTA, originally scheduled for June 29, 2026 at 6:00AM ET. This market will resolve to 'Jelena Ostapenko' if Jelena Ostapenko advances against Harriet Dart. This market will resolve to 'Harriet Dart' if Harriet Dart advances against Jelena Ostapenko. 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 manage risk, while prediction markets aggregate the collective beliefs of traders who have real money at stake. This market may show different implied probabilities than major sportsbooks, particularly if one venue has sharper or more active traders. Comparing the two can reveal where the market perceives edge, though both should be viewed as independent price signals rather than definitive forecasts.
On Polymarket, traders set prices 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 current implied probability reflects the balance of buy and sell orders at any given moment. As new information surfaces—injury reports, recent form, court conditions—traders adjust their positions, moving the price up or down. The spread between bid and ask prices tightens as more volume flows through the market, and the final price discovery happens continuously until the market closes ahead of the match.
This market resolves around Jul 6, 2026, once the match concludes and the winner is verified against credible public sources. The outcome is determined by the official result recorded by the Wimbledon tournament and major sports databases. No ambiguity typically surrounds tennis match outcomes, making resolution straightforward. Traders should monitor the match schedule to confirm exact timing, as weather delays or scheduling changes could shift the resolution window slightly.
Several factors could shift odds before the match begins. Injury announcements or withdrawal news would trigger sharp repricing. Recent tournament performance, head-to-head records, and surface-specific form all influence trader positioning. Court assignments, weather forecasts, and draw-related developments can also spark trading activity. Late-breaking fitness updates or coaching changes may prompt last-minute position adjustments. Monitoring official Wimbledon communications and player social media in the days leading up to the match will help traders stay ahead of sentiment shifts in this market.