TOTAL VOLUME:
$134.1b
24H VOL:
$133,388,117
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,436,095,462
405,232
Markets across
30,526
events
MATCHED EVENTS:
2,693
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 5, 12:06 AM EST
Polymarket
This market tracks whether Elina Svitolina will advance against Anna Kalinskaya in their US Open WTA match, originally scheduled for September 4, 2026 at 11:00AM ET. Currently, Polymarket gives a 100.0% probability to “Svitolina vs. Kalinskaya: Match O/U 23.5”. The resolution source for this market is the official WTA Tennis scores website at https://www.wtatennis.com/scores. Keep an eye on the match itself, as the outcome will be determined by the result of the fixture on September 4, 2026.
This market refers to the tennis match between Elina Svitolina and Anna Kalinskaya in the US Open WTA, originally scheduled for September 4, 2026 at 11:00AM ET. This market will resolve to 'Elina Svitolina' if Elina Svitolina advances against Anna Kalinskaya. This market will resolve to 'Anna Kalinskaya' if Anna Kalinskaya advances against Elina Svitolina. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 2026, 11:59 PM ET (14 days after the scheduled start), 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 WTA Tour. A consensus of credible reporting may also be used.
Often, prediction market odds reflect a wisdom-of-the-crowd effect, potentially differing from traditional sportsbook odds. Sportsbooks may incorporate factors like public betting patterns and promotional offers, while this market relies on individuals directly expressing their beliefs about the outcome. Discrepancies can arise due to differing information sources, analytical approaches, or simply the inherent noise in both systems. It’s common to see prediction markets offer more accurate probabilities, especially when there's significant public interest and active trading. Examining these differences can provide valuable insight into market perceptions of the Svitolina vs Kalinskaya match.
This market resolves around Sep 11, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. Resolution will be based on the official result of the Svitolina vs Kalinskaya match as reported by a recognized tennis authority. The platform will verify the result against established sources to determine which outcome corresponds to the actual winner of the match. Traders holding shares in the winning outcome will be entitled to a payout, while those holding shares in the losing outcome will forfeit their investment. The exact payout amount will depend on the final share price at the time of resolution.
Several factors could influence trading activity in this market before Sep 11, 2026. News regarding player injuries, changes in playing conditions, or even significant shifts in public opinion could all cause the odds to move. Unexpected results in other matches leading up to the Svitolina vs Kalinskaya match could also impact trader sentiment. Any updates on the players’ form, training, or strategic approaches are likely to be closely watched by market participants. Major upsets in the tournament overall could also lead to reassessment of probabilities for all remaining matches, including this one.