TOTAL VOLUME:
$134.2b
24H VOL:
$126,324,530
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,434,646,834
406,019
Markets across
30,401
events
MATCHED EVENTS:
2,689
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 18, 9:00 PM EST
Polymarket
This market refers to the tennis match between Ikumi Yamazaki and Natsuki Yoshimoto in the ITF Women Tokyo, originally scheduled for June 11, 2026 at 9:00PM ET. This market will resolve to 'Ikumi Yamazaki' if Ikumi Yamazaki advances against Natsuki Yoshimoto. This market will resolve to 'Natsuki Yoshimoto' if Natsuki Yoshimoto advances against Ikumi Yamazaki. 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 Ikumi Yamazaki and Natsuki Yoshimoto in the ITF Women Tokyo, originally scheduled for June 11, 2026 at 9:00PM ET. This market will resolve to 'Ikumi Yamazaki' if Ikumi Yamazaki advances against Natsuki Yoshimoto. This market will resolve to 'Natsuki Yoshimoto' if Natsuki Yoshimoto advances against Ikumi Yamazaki. 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 incentive structures. Sportsbooks set lines to balance action and lock in profit margins, while prediction markets are driven by trader conviction and real-money stakes. This market aggregates the views of many independent participants without a house edge, which can sometimes yield sharper or more efficient pricing than a sportsbook line. Comparing the two can reveal where public or professional opinion differs most significantly.
On Polymarket, traders set prices by buying and selling outcome shares in an automated market maker system. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Each share represents a claim on one player winning the match, and the price of each share reflects the collective probability assigned by the market. As new information emerges or trader sentiment shifts, prices adjust in real time. The spread between bid and ask prices tightens as volume increases, making the market more efficient and easier to trade in and out of.
This market resolves around Jun 19, 2026, once the match concludes and the winner is verified against credible public reporting. The outcome is determined by which player wins the ITF Tokyo event match. Resolution occurs automatically once the result is confirmed, and all winning shares are paid out at full value while losing shares expire worthless. Traders should monitor official tournament updates and reliable sports news sources to stay informed as the event date approaches.
Several factors could shift odds before the match takes place. Recent tournament results, player rankings updates, and head-to-head records between the two competitors often influence trader positioning. Injury announcements or withdrawal news would trigger sharp repricing. Court surface conditions, weather forecasts, and any changes to the tournament schedule can also sway sentiment. Media coverage highlighting one player's form or momentum may prompt traders to adjust their positions, creating opportunities for those tracking these developments closely.