TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 12, 6:00 AM EST
Polymarket
This market tracks the outcome of the Wimbledon WTA singles match between Aryna Sabalenka and Naomi Osaka. On Polymarket, Sabalenka to advance is priced at 10.0%, while the Set 2 Games Over/Under 8.5 market stands at 100.0%. Resolution will be determined by official WTA records at wtatennis.com. The match was originally scheduled for July 5, 2026, with the betting window closing on the event date.
This market refers to the tennis match between Aryna Sabalenka and Naomi Osaka in the Wimbledon WTA, originally scheduled for July 5, 2026 at 6:00AM ET. This market will resolve to 'Aryna Sabalenka' if Aryna Sabalenka advances against Naomi Osaka. This market will resolve to 'Naomi Osaka' if Naomi Osaka advances against Aryna Sabalenka. 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 lock in profit margins, while prediction markets like this one are driven by traders risking real capital on their beliefs. Prediction markets can sometimes offer sharper, more efficient pricing because participants have direct financial skin in the game. Comparing this market's odds to major sportsbooks can reveal where the crowd sees value or where consensus differs between casual bettors and serious traders.
On Polymarket, traders set the odds through an automated market maker that adjusts prices based on buy and sell pressure. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price you see reflects the cumulative bets of all participants; if more traders believe one player will win, that outcome's price rises and the alternative falls. Liquidity and trading volume influence how quickly prices respond to new information, so periods of high activity can lead to sharper price discovery around key moments like player announcements or recent match results.
This market resolves around Jul 12, 2026, once the Wimbledon 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. Resolution happens automatically after the event is confirmed, allowing traders to settle their positions based on the final verified result.
Several catalysts can shift odds before the match takes place. Injury announcements or fitness updates for either player will trigger immediate repricing, as will recent tournament performance or warm-up match results. Changes in seeding, draw position, or surface conditions at the venue can also influence trader positioning. Media coverage, expert commentary, and betting patterns from other markets may cascade into this one. Head-to-head history and player form trends remain live signals that traders monitor continuously leading up to the event.