TOTAL VOLUME:
$134b
24H VOL:
$103,397,351
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,410,176,180
399,592
Markets across
30,097
events
MATCHED EVENTS:
2,622
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jul 21, 10:00 PM EST
Polymarket
This market refers to the tennis match between Onyu Choi and Yingqun Sun in the ITF Women Luan, originally scheduled for July 14, 2026 at 10:00PM ET. This market will resolve to 'Onyu Choi' if Onyu Choi advances against Yingqun Sun. This market will resolve to 'Yingqun Sun' if Yingqun Sun advances against Onyu Choi. 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 Onyu Choi and Yingqun Sun in the ITF Women Luan, originally scheduled for July 14, 2026 at 10:00PM ET. This market will resolve to 'Onyu Choi' if Onyu Choi advances against Yingqun Sun. This market will resolve to 'Yingqun Sun' if Yingqun Sun advances against Onyu Choi. 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 often diverge from traditional sportsbook lines because they reflect real-time trader behavior and information flow rather than fixed oddsmaker models. Sportsbooks adjust lines to manage liability; prediction markets aggregate distributed beliefs across many participants. For this market, comparing the current prediction market price to major sportsbook offerings can reveal whether one venue is pricing the outcome more bullishly or bearishly. Persistent gaps may signal inefficiency or reflect differences in how each venue interprets available information.
On Polymarket, this market is priced through an automated market maker that converts trader orders into real-time probability quotes. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. Shares representing each outcome trade continuously, and the current price of a winning share reflects the platform's live estimate of that result's likelihood. As traders buy or sell, the price adjusts to balance supply and demand, ensuring the market remains responsive to breaking news, player form, or injury updates.
This market resolves around Jul 22, 2026, once the match concludes and the result is verifiable from credible public reporting. The outcome will be confirmed based on the official match result—whether Onyu Choi or Yingqun Sun emerges victorious. Until that point, traders can continue to buy and sell shares as odds shift in response to pre-match developments, player news, or betting sentiment.
Several factors could shift this market significantly before the match begins. Injury announcements, recent tournament performance, head-to-head records, and court surface conditions all influence trader positioning. Media coverage, expert commentary, or betting action from sharp bettors can trigger rapid repricing. Weather forecasts, player withdrawals, or unexpected lineup changes would also prompt immediate market movement. Tracking these catalysts helps traders anticipate price swings and identify potential value before the opening serve.