TOTAL VOLUME:
$134.2b
24H VOL:
$134,145,987
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,441,166,947
406,422
Markets across
30,383
events
MATCHED EVENTS:
2,688
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 23, 12:00 PM EST
Polymarket
This market refers to the tennis match between Marjorie Souza and Giorgia Pedone in the ITF Women Sao Paulo, originally scheduled for July 16, 2026 at 12:00PM ET. This market will resolve to 'Marjorie Souza' if Marjorie Souza advances against Giorgia Pedone. This market will resolve to 'Giorgia Pedone' if Giorgia Pedone advances against Marjorie Souza. 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 Marjorie Souza and Giorgia Pedone in the ITF Women Sao Paulo, originally scheduled for July 16, 2026 at 12:00PM ET. This market will resolve to 'Marjorie Souza' if Marjorie Souza advances against Giorgia Pedone. This market will resolve to 'Giorgia Pedone' if Giorgia Pedone advances against Marjorie Souza. 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 traditional sportsbook odds often diverge because they reflect different participant pools and incentive structures. Sportsbooks set lines to balance action and protect their margin, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. This market may show different probabilities than major sportsbooks, particularly if one venue has sharper or more active traders. Comparing the two can reveal where consensus is strongest or where informed traders see value relative to conventional betting lines.
On Polymarket, this market is priced through an automated market maker that converts trader activity into real-time odds. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the price of each share reflects the collective probability assigned by active traders. As more capital flows into one outcome, its price rises and the opposing outcome's price falls, creating a self-correcting mechanism that incentivizes informed participation and discovery of fair value.
This market resolves around Jul 23, 2026, once the match concludes and the result is verified against credible public sources. The outcome will be confirmed based on the official match result recorded by the ITF or other authoritative tennis reporting. Until that point, traders can continue to buy and sell shares as new information and match conditions emerge, allowing the market price to adjust right up to resolution.
Several factors may shift trader sentiment and market prices before Jul 23, 2026. Player injury reports, recent tournament performance, head-to-head records, and court conditions can all influence expectations. Weather forecasts, withdrawal announcements, or changes in player ranking or form could trigger sharp moves. Additionally, if one player gains momentum in early rounds or if betting syndicates adjust their positions based on new intelligence, the market may reprrice significantly. Real-time news and social sentiment among tennis analysts can also drive trading activity and price swings.