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 8, 5:15 PM EST
Polymarket
This market refers to the tennis match between Jo-Yee Chan and Anna Tabunshchyk in the ITF Women San Diego, originally scheduled for July 1, 2026 at 5:15PM ET. This market will resolve to 'Jo-Yee Chan' if Jo-Yee Chan advances against Anna Tabunshchyk. This market will resolve to 'Anna Tabunshchyk' if Anna Tabunshchyk advances against Jo-Yee Chan. 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 Jo-Yee Chan and Anna Tabunshchyk in the ITF Women San Diego, originally scheduled for July 1, 2026 at 5:15PM ET. This market will resolve to 'Jo-Yee Chan' if Jo-Yee Chan advances against Anna Tabunshchyk. This market will resolve to 'Anna Tabunshchyk' if Anna Tabunshchyk advances against Jo-Yee Chan. 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 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 collective judgment of participants wagering on the outcome, which can sometimes offer a more granular or contrarian view than traditional betting lines. Comparing the two can reveal where the crowd sees value or where consensus may be shifting. Both sources provide useful signals, but each operates under distinct market dynamics.
On Polymarket, traders set the odds through an automated market maker that adjusts prices based on order flow and liquidity. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The current price reflects the aggregate belief of all participants: a higher share price means stronger confidence in that outcome, while a lower price signals skepticism. As new information surfaces—player news, betting patterns, or expert commentary—traders adjust their positions, and the market reprices accordingly. This continuous discovery mechanism ensures the odds remain responsive to real-world developments throughout the trading window.
This market resolves around Jul 8, 2026, once the match concludes and the result is verifiable from credible public sources. The outcome will be confirmed based on the official winner of the ITF San Diego event between the two players. Until that point, traders can continue to adjust their positions as the event approaches and new developments emerge. Resolution timing may shift slightly depending on match scheduling or reporting delays, but the core principle remains: the market settles once the winner is definitively established.
Several catalysts could shift the odds before the match takes place. Recent tournament results or head-to-head records between the players often trigger repricing as traders reassess relative strength. Injury announcements, coaching changes, or withdrawal news would have immediate impact. Court surface conditions and weather forecasts closer to the event date can also influence expectations, especially if one player has a known preference or weakness. Media coverage, betting syndicate activity, and shifts in player ranking or form leading up to the match all serve as signals that traders monitor. Each development offers an opportunity for the market to recalibrate its probability assessment.