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 10, 7:59 PM EST
Polymarket
This market will resolve to "Yes" if the listed player clinches a spot in the Semifinals in the Championships at Wimbledon per Wimbledon rules. Otherwise, the associated market will resolve to "No". If at any point it becomes impossible for the listed player to clinch a spot in the Semifinals in the Championships at Wimbledon (e.g. the player is eliminated), the associated market will resolve to "No". If the 2026 Championships at Wimbledon are cancelled, postponed after July 26, 11:59 PM ET, or the players that qualified for the Semifinals have not been officially confirmed by Wimbledon within that timeframe, this market will resolve to "No". The resolution source for this market will be official information from the AELTC and WTA; however, a consensus of credible reporting may also be used.
This market will resolve to "Yes" if the listed player clinches a spot in the Semifinals in the Championships at Wimbledon per Wimbledon rules. Otherwise, the associated market will resolve to "No". If at any point it becomes impossible for the listed player to clinch a spot in the Semifinals in the Championships at Wimbledon (e.g. the player is eliminated), the associated market will resolve to "No". If the 2026 Championships at Wimbledon are cancelled, postponed after July 26, 11:59 PM ET, or the players that qualified for the Semifinals have not been officially confirmed by Wimbledon within that timeframe, this market will resolve to "No". The resolution source for this market will be official information from the AELTC and WTA; however, 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 margin, while prediction markets are driven by traders risking real capital on their beliefs. For this market, prediction market prices may respond faster to injury news, ranking shifts, or player form, whereas sportsbooks adjust more cautiously to manage liability. Neither source is inherently more accurate, but comparing both can reveal where consensus is strongest or where outlier views persist.
On Polymarket, traders set prices through an automated market maker that adjusts odds based on buy and sell pressure for each player's contract. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The more capital flowing into a particular player's shares, the higher that contract's price rises, and vice versa. This continuous repricing mechanism means odds update instantly as new information emerges—such as seeding announcements, draw details, or pre-tournament form. The spread between bid and ask prices reflects liquidity and trader confidence in each outcome.
This market resolves around Jul 10, 2026, once the Wimbledon women's singles tournament concludes and the semifinal participants are confirmed. The outcome is verified against credible public sources reporting the official results. Each player contract that reaches the semifinals settles to one, while all others settle to zero. Resolution occurs after the tournament bracket is finalized and all matches leading to the semifinals have been played and verified.
Major catalysts include the official tournament draw, seeding announcements, and any injury or withdrawal news affecting top contenders. Pre-Wimbledon warm-up results on grass courts often shift odds significantly, as do changes in player ranking or recent form. Media coverage of player fitness, coaching changes, or head-to-head records can also influence trader sentiment. As the event date approaches, each round of qualifying and early-round results will reshape probabilities for semifinal advancement, with upsets or dominant performances triggering sharp repricing across the board.