TOTAL VOLUME:
$154.5b
24H VOL:
$271,200,656
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,922,627,141
420,368
Markets across
40,352
events
MATCHED EVENTS:
4,484
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 20, 5:58 PM EST
Polymarket
This market refers to the tennis match between Rose Marie Nijkamp and Lea Nilsson in the W50 Austin, Main Draw, originally scheduled for October 20, 2026 at 12:00PM ET. This market will resolve to 'Rose Marie Nijkamp' if Rose Marie Nijkamp advances against Lea Nilsson. This market will resolve to 'Lea Nilsson' if Lea Nilsson advances against Rose Marie Nijkamp. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 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 Rose Marie Nijkamp and Lea Nilsson in the W50 Austin, Main Draw, originally scheduled for October 20, 2026 at 12:00PM ET. This market will resolve to 'Rose Marie Nijkamp' if Rose Marie Nijkamp advances against Lea Nilsson. This market will resolve to 'Lea Nilsson' if Lea Nilsson advances against Rose Marie Nijkamp. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 3, 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.
Often, prediction market odds reflect a different perspective than traditional sportsbooks. Sportsbooks typically set odds to maximize profit, incorporating a margin for themselves, and may be influenced by public betting patterns. This market, however, represents the aggregated beliefs of informed traders who are incentivized to accurately predict the outcome. As a result, the probabilities expressed here can sometimes diverge from sportsbook odds, especially when there's a significant information advantage held by market participants or when the sportsbook's initial assessment is heavily influenced by casual bettors. It's a valuable comparison point for anyone analyzing this event.
This market resolves around Oct 27, 2026, with the outcome confirmed once the winner of the W50 Austin tennis match is verifiable from credible public reporting. The resolution will be based on the official results published by the tournament organizers. The platform will then determine the winning share(s) and distribute payouts accordingly. Traders should monitor official sources for the match result to understand when the market will be settled and how their positions will be evaluated. The outcome will be determined by the official tournament results.
Several factors could influence the odds in this market before Oct 27, 2026. Any news regarding player injuries, changes in playing conditions (weather, court surface), or updates on player form could significantly shift the probabilities. Unexpected results in earlier rounds of the tournament, or even comments from analysts and experts, could also impact trader sentiment. Furthermore, large trading volume from informed participants could indicate new information entering the market, causing a rapid adjustment in prices. Monitoring these signals will be crucial for anyone looking to trade this market effectively.