TOTAL VOLUME:
$154.6b
24H VOL:
$323,326,361
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,969,435,260
419,363
Markets across
40,411
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 19, 10:29 PM EST
Polymarket
This market refers to the tennis match between Nanari Katsumi and Larisa Arnautovic in the W35 Sydney, Qualifying, originally scheduled for October 19, 2026 at 7:00PM ET. This market will resolve to 'Nanari Katsumi' if Nanari Katsumi advances against Larisa Arnautovic. This market will resolve to 'Larisa Arnautovic' if Larisa Arnautovic advances against Nanari Katsumi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 2, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
This market refers to the tennis match between Nanari Katsumi and Larisa Arnautovic in the W35 Sydney, Qualifying, originally scheduled for October 19, 2026 at 7:00PM ET. This market will resolve to 'Nanari Katsumi' if Nanari Katsumi advances against Larisa Arnautovic. This market will resolve to 'Larisa Arnautovic' if Larisa Arnautovic advances against Nanari Katsumi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 2, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.
Typically, prediction market odds reflect a different set of information and incentives than those found at traditional sportsbooks. Sportsbooks often incorporate a 'vig' or commission into their odds, while prediction markets aim to represent the true probability of an outcome as assessed by traders. It's common to see discrepancies between the two, especially early in the market’s life cycle. However, as the event approaches, this market's odds tend to converge with sportsbook odds as more information becomes available and trading volume increases, though differences can still persist due to varying levels of expertise among market participants.
This market resolves around Oct 26, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official result of the W35 Sydney match between Nanari Katsumi and Larisa Arnautovic, as reported by official tournament organizers. Any disputes or ambiguities will be resolved using widely accepted sources for professional tennis results. The platform will verify the outcome against these sources to determine the winning share(s) and distribute payouts accordingly.
Several factors could influence trading activity and shift the odds in this market. News regarding player injuries, changes in coaching staff, or even weather conditions affecting the match could all impact trader sentiment. Unexpected results in other matches leading up to the event, or any controversies surrounding either player, could also cause movement. Finally, large trading volume from informed participants, or even coordinated activity, could significantly alter the price of shares as we approach the Oct 26, 2026 resolution date.