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 20, 10:30 PM EST
Polymarket
This market refers to the tennis match between Natsuki Yoshimoto and Jizelle Sibai in the ITF Women Brisbane, originally scheduled for July 13, 2026 at 10:30PM ET. This market will resolve to 'Natsuki Yoshimoto' if Natsuki Yoshimoto advances against Jizelle Sibai. This market will resolve to 'Jizelle Sibai' if Jizelle Sibai advances against Natsuki Yoshimoto. 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 Natsuki Yoshimoto and Jizelle Sibai in the ITF Women Brisbane, originally scheduled for July 13, 2026 at 10:30PM ET. This market will resolve to 'Natsuki Yoshimoto' if Natsuki Yoshimoto advances against Jizelle Sibai. This market will resolve to 'Jizelle Sibai' if Jizelle Sibai advances against Natsuki Yoshimoto. 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 manage risk, while prediction markets aggregate the beliefs of traders risking real capital on outcomes. For this market, comparing the current prediction market probability to major sportsbook lines can reveal whether traders are pricing the match differently than traditional oddsmakers. These gaps sometimes persist due to different information access, risk tolerance, or market efficiency—making cross-venue comparison a useful research tool for identifying potential value.
On Polymarket, this market is priced through an automated market maker that converts trader buy and sell orders into real-time probabilities. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The price you see reflects the cumulative positions of all traders; as more capital flows toward one outcome, the odds shift accordingly. Traders can enter and exit positions at any time before the market closes, and the final price at settlement represents the market's last consensus view. This continuous pricing mechanism ensures transparent, liquid discovery of what the crowd believes will happen in this match.
This market resolves around Jul 21, 2026, once the Yoshimoto vs Sibai match concludes and the result is verifiable from credible public reporting. The outcome is determined by the official match result—which player wins the ITF Brisbane fixture. No further action is required from you; the market automatically settles based on the confirmed winner. Resolution typically occurs within hours of the final point, ensuring traders receive timely payouts aligned with the actual event outcome.
Several factors can shift the odds before resolution. Player injury announcements or withdrawal news would dramatically reprrice the market, as would unexpected lineup changes or court surface conditions affecting either competitor's performance style. Recent tournament results, head-to-head records, and player form leading into the event often trigger trading activity as new information emerges. Weather delays or scheduling changes could also influence trader sentiment. Real-time match developments—such as early-set momentum or a player's visible fatigue—typically drive the most volatile price swings once play begins, reflecting live reassessment of winning chances.