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 16, 4:00 AM EST
Polymarket
This market refers to the tennis match between Valentina Ryser and Celia Cervino Ruiz in the ITF Women Don Benito, originally scheduled for July 9, 2026 at 4:00AM ET. This market will resolve to 'Valentina Ryser' if Valentina Ryser advances against Celia Cervino Ruiz. This market will resolve to 'Celia Cervino Ruiz' if Celia Cervino Ruiz advances against Valentina Ryser. 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 Valentina Ryser and Celia Cervino Ruiz in the ITF Women Don Benito, originally scheduled for July 9, 2026 at 4:00AM ET. This market will resolve to 'Valentina Ryser' if Valentina Ryser advances against Celia Cervino Ruiz. This market will resolve to 'Celia Cervino Ruiz' if Celia Cervino Ruiz advances against Valentina Ryser. 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 aggregate beliefs from traders risking real capital on outcomes. This market may show higher or lower implied probabilities than traditional sports betting sites, depending on whether informed traders or casual bettors dominate activity. Comparing the two can reveal where smart money sees value relative to conventional bookmaker pricing.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker (AMM) pool. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The cost to buy a share reflects the current implied probability; as more traders back one outcome, the price rises and the opposing outcome's price falls. This continuous repricing mechanism ensures the market stays responsive to new information, trader sentiment, and real-time developments leading up to the match. Liquidity depth determines how much slippage you experience on larger trades.
This market resolves around Jul 16, 2026, once the match concludes and the result is verified against credible public sources. The outcome is determined by which player wins the completed ITF Don Benito event. Resolution occurs after the match is officially recorded, ensuring accuracy and fairness for all traders. Until that point, prices may fluctuate based on pre-match analysis, player form, and any breaking news that could influence expectations.
Several factors could shift this market significantly before Jul 16, 2026. Player injury announcements, recent tournament results, or changes in ranking or form could alter trader confidence. Court surface conditions, weather forecasts, and head-to-head history may also influence pricing as the match date nears. News coverage, expert commentary, and betting activity on related markets can create momentum in either direction. Watch for any last-minute withdrawals or schedule changes that might affect participation or perceived competitive balance.