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 28, 7:30 AM EST
Polymarket
This market refers to the tennis match between Shannon Lam and Eleonora Alvisi in the ITF Women Las Palmas, originally scheduled for July 21, 2026 at 7:30AM ET. This market will resolve to 'Shannon Lam' if Shannon Lam advances against Eleonora Alvisi. This market will resolve to 'Eleonora Alvisi' if Eleonora Alvisi advances against Shannon Lam. 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 Shannon Lam and Eleonora Alvisi in the ITF Women Las Palmas, originally scheduled for July 21, 2026 at 7:30AM ET. This market will resolve to 'Shannon Lam' if Shannon Lam advances against Eleonora Alvisi. This market will resolve to 'Eleonora Alvisi' if Eleonora Alvisi advances against Shannon Lam. 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 bases and incentive structures. Sportsbooks set lines to balance action and manage risk, while prediction markets aggregate beliefs from traders who have real money at stake. For this match, comparing the current market price to major sportsbook lines can reveal whether one venue perceives a stronger edge. Prediction markets tend to be efficient over time, but short-term gaps can signal where informed traders see value or where public perception differs from professional oddsmaking.
On Polymarket, this market is priced through an automated market maker that converts trader positions into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Traders buy and sell shares representing each possible outcome, and the price of each share reflects the collective belief about the likelihood of that result. As more capital flows into one outcome, its price rises and the competing outcome's price falls. This continuous repricing mechanism ensures the market stays responsive to new information and trader conviction right up until the event concludes.
This market resolves around Jul 28, 2026, once the match has concluded and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result recorded by the ITF and major tennis data providers. Until that point, traders can continue to adjust positions as the event approaches and new information emerges. Resolution is automatic once the event is finalized, ensuring all positions settle fairly and transparently.
Several factors could shift trader sentiment before the match concludes. Recent player performance, head-to-head records, and any injury announcements or withdrawals would likely trigger significant repricing. Court conditions, weather, and draw positioning at the ITF Las Palmas tournament may also influence expectations. Media coverage, expert commentary, and betting patterns from other venues can signal where informed money is flowing. As the match date approaches, any changes to player form or tournament circumstances could prompt rapid adjustments in this market's price.