TOTAL VOLUME:
$134.2b
24H VOL:
$129,159,707
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,442,132,418
404,744
Markets across
30,489
events
MATCHED EVENTS:
2,691
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Jun 23, 10:00 PM EST
Polymarket
This market refers to the tennis match between Nao Nishino and Kristiana Sidorova in the ITF Women Taipei, originally scheduled for June 16, 2026 at 10:00PM ET. This market will resolve to 'Nao Nishino' if Nao Nishino advances against Kristiana Sidorova. This market will resolve to 'Kristiana Sidorova' if Kristiana Sidorova advances against Nao Nishino. 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 Nao Nishino and Kristiana Sidorova in the ITF Women Taipei, originally scheduled for June 16, 2026 at 10:00PM ET. This market will resolve to 'Nao Nishino' if Nao Nishino advances against Kristiana Sidorova. This market will resolve to 'Kristiana Sidorova' if Kristiana Sidorova advances against Nao Nishino. 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 odds to balance liability and lock in profit margins, while prediction markets are driven purely by trader belief and capital allocation. This market may show materially different probabilities than traditional sports betting sites, especially as new information emerges or as major events approach. Comparing the two can reveal where the crowd on Polymarket sees value that conventional oddsmakers have missed or overpriced.
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. The price of each outcome reflects the collective confidence of all active traders, with shares trading between 0 and 100 cents based on perceived probability. As new bets flow in, the price adjusts instantly to balance supply and demand, ensuring the market remains responsive to breaking news, player form updates, or other relevant developments in professional tennis.
This market resolves around Jun 24, 2026, once the match concludes and the result is verified against credible public sources. The outcome is determined by the official match result—whether Nishino or Sidorova wins the ITF Taipei event. Resolution happens automatically once the event is confirmed through established sports reporting channels, ensuring all traders have access to the same authoritative information at the same time.
Several factors could shift trader sentiment before resolution. Recent head-to-head records, current ranking changes, or injury announcements involving either player would likely trigger sharp price moves. Court surface conditions, weather forecasts on match day, and performance in lead-up tournaments can also influence expectations. News about player form, coaching changes, or fitness updates often sparks rapid repricing as new information reaches the market. Major upsets or standout performances by either competitor in earlier rounds could reshape the probability landscape significantly.