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 11, 7:00 PM EST
Polymarket
This market refers to the tennis match between Savannah Broadus and Ena Koike in the ITF Women Cary, originally scheduled for July 4, 2026 at 7:00PM ET. This market will resolve to 'Savannah Broadus' if Savannah Broadus advances against Ena Koike. This market will resolve to 'Ena Koike' if Ena Koike advances against Savannah Broadus. 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Savannah Broadus and Ena Koike in the ITF Women Cary, originally scheduled for July 4, 2026 at 7:00PM ET. This market will resolve to 'Savannah Broadus' if Savannah Broadus advances against Ena Koike. This market will resolve to 'Ena Koike' if Ena Koike advances against Savannah Broadus. 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 International Tennis Federation (ITF). 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 trader consensus and real-money conviction. Traders here may incorporate specialized knowledge or react faster to breaking news than traditional oddsmakers. Comparing this market's odds to major sportsbooks can reveal where public perception differs from professional bookmaking, though both sources offer valuable signals about the likely outcome.
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. Each outcome has a price between 0 and 1 (or 0–100 cents), reflecting the collective probability estimate. When more traders buy shares for a particular result, its price rises; when they sell, it falls. This continuous price discovery mechanism means the market adjusts instantly to new information, trades, and shifting expectations about who will win the match.
This market resolves around Jul 11, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result, with the winning trader receiving their payout. Until that date, prices may fluctuate as new developments—such as player injuries, recent form, or head-to-head records—emerge and influence trader behavior.
Several factors could shift prices in this market before Jul 11, 2026. Recent tournament results, player rankings, or injury announcements affecting either competitor would likely trigger immediate repricing. Court surface conditions, weather forecasts, and head-to-head history may also influence trader positioning. Betting action from sharp traders or sudden media attention could accelerate moves. Additionally, any changes to the match schedule or venue details could prompt reassessment of the odds as new information becomes available to the trading community.