TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 15, 4:00 AM EST
Polymarket
This market refers to the tennis match between Valentina Ryser and Demi Tran in the ITF Women Don Benito, originally scheduled for July 8, 2026 at 4:00AM ET. This market will resolve to 'Valentina Ryser' if Valentina Ryser advances against Demi Tran. This market will resolve to 'Demi Tran' if Demi Tran 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 Demi Tran in the ITF Women Don Benito, originally scheduled for July 8, 2026 at 4:00AM ET. This market will resolve to 'Valentina Ryser' if Valentina Ryser advances against Demi Tran. This market will resolve to 'Demi Tran' if Demi Tran 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 serve different purposes and audiences. Sportsbooks set odds to balance liability and profit margins, while prediction markets reflect pure trader belief without a built-in house edge. This market aggregates decentralized participant views, which can lead to sharper or more volatile pricing than traditional betting venues. Comparing the two reveals whether professional bettors and casual traders see the same outcome probability—a useful signal for identifying value or consensus shifts.
On Polymarket, traders set prices by buying and selling binary outcome shares, with each contract worth $1 if their prediction comes true and $0 otherwise. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price of each outcome reflects the probability implied by the order book at any given moment. As more capital flows into one side, the price adjusts upward; withdrawals push it lower. This continuous auction mechanism ensures that prices stay responsive to new information and trader sentiment about Ryser's and Tran's chances.
This market resolves around Jul 15, 2026, once the ITF Don Benito match concludes and the result is verified against credible public sources. The outcome is determined by the official match result—which player wins the contest. No further conditions or tie-breaking rules apply; the resolution is straightforward and final once the event is complete and reported by recognized tennis authorities.
Key catalysts include recent player form, head-to-head records, court surface performance, injury reports, and ranking changes. Pre-match commentary from tennis analysts and betting syndicates can shift sentiment quickly. Weather conditions at the venue, seeding announcements, and warm-up tournament results in the weeks leading up to the event may also influence trader positioning. Any public statement from either player about fitness or strategy could trigger repricing as participants reassess win probabilities.