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, 8:16 PM EST
Polymarket
This market refers to the tennis match between Sloane Stephens and Ashley Lahey in the W50 Austin, Main Draw, originally scheduled for October 20, 2026 at 2:00PM ET. This market will resolve to 'Sloane Stephens' if Sloane Stephens advances against Ashley Lahey. This market will resolve to 'Ashley Lahey' if Ashley Lahey advances against Sloane Stephens. 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 Sloane Stephens and Ashley Lahey in the W50 Austin, Main Draw, originally scheduled for October 20, 2026 at 2:00PM ET. This market will resolve to 'Sloane Stephens' if Sloane Stephens advances against Ashley Lahey. This market will resolve to 'Ashley Lahey' if Ashley Lahey advances against Sloane Stephens. 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.
Typically, prediction market odds reflect the wisdom of the crowd and can differ from traditional sportsbook odds. Sportsbooks set initial lines based on their own analysis, incorporating factors like player statistics and expert opinions. This market, however, allows individuals to trade on their own beliefs, potentially leading to odds that diverge from those offered by sportsbooks. These differences can arise from varying levels of information, differing interpretations of data, or simply the collective sentiment of traders participating in this market. It's a dynamic comparison, with both sides influencing each other.
This market resolves around Oct 27, 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 Stephens vs Lahey match, as declared by the governing tennis authority. The platform will verify the result against publicly available sources to determine the winning outcome and settle the market accordingly. Traders holding shares in the winning outcome will receive a payout, while those holding shares in the losing outcome will forfeit their investment.
Several factors could influence the trading activity and price movement in this market before Oct 27, 2026. Any news regarding player injuries, changes in playing conditions, or updated match analysis from tennis experts could shift trader sentiment. Unexpected announcements about player form or strategies could also trigger significant price fluctuations. Furthermore, large trading volume from informed participants could indicate a shift in expectations, causing the market to react accordingly. Monitoring these signals can provide insights into how the market is evolving and potential future price movements.