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: Jun 16, 9:00 PM EST
Polymarket
This market refers to the tennis match between Kisa Yoshioka and Mayuka Aikawa in the ITF Women Tokyo, originally scheduled for June 9, 2026 at 9:00PM ET. This market will resolve to 'Kisa Yoshioka' if Kisa Yoshioka advances against Mayuka Aikawa. This market will resolve to 'Mayuka Aikawa' if Mayuka Aikawa advances against Kisa Yoshioka. 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 on Polymarket reflect real-time crowd sentiment and are typically more dynamic than traditional sportsbook lines. Sportsbooks adjust odds based on betting volume and risk management, while prediction markets aggregate beliefs from many traders with direct financial incentive to price accurately. For the Yoshioka versus Aikawa match, comparing Polymarket probabilities to major sportsbook spreads can reveal where the crowd and professional oddsmakers diverge, often highlighting value or consensus shifts in player performance expectations.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, the Yoshioka versus Aikawa match is priced as a binary contract where traders buy or sell shares representing each player's probability of winning. The current market price reflects the cumulative bids and asks from all participants. As match details, player form, or injury news emerge, traders adjust their positions, moving the price up or down. The market remains open for trading until Jun 17, 2026, when the outcome is determined and contracts settle based on the official match result.
The market resolves on Jun 17, 2026. Resolution is determined by the official result of the ITF Tokyo match between Kisa Yoshioka and Mayuka Aikawa. The outcome is established once the match concludes and the winner is confirmed by the International Tennis Federation or the tournament's official records. Traders holding contracts for the winning player receive the full payout, while those on the losing side receive nothing.
Key catalysts include recent match results and ranking changes for both players, injury announcements or fitness updates, head-to-head historical performance, court surface conditions at Tokyo, and pre-match commentary from analysts or coaches. Weather forecasts, draw strength, and player momentum in the lead-up to the event can also shift market sentiment. Real-time updates during warm-ups or early match play may trigger sharp price moves as traders react to serve speed, form, or tactical adjustments.