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 21, 3:25 PM EST
Polymarket
This market refers to the tennis match between Ella McDonald and Rose Marie Nijkamp in the W50 Austin, Main Draw, originally scheduled for October 21, 2026 at 12:00PM ET. This market will resolve to 'Ella McDonald' if Ella McDonald advances against Rose Marie Nijkamp. This market will resolve to 'Rose Marie Nijkamp' if Rose Marie Nijkamp advances against Ella McDonald. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 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 Ella McDonald and Rose Marie Nijkamp in the W50 Austin, Main Draw, originally scheduled for October 21, 2026 at 12:00PM ET. This market will resolve to 'Ella McDonald' if Ella McDonald advances against Rose Marie Nijkamp. This market will resolve to 'Rose Marie Nijkamp' if Rose Marie Nijkamp advances against Ella McDonald. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by November 4, 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.
Prediction market odds often reflect the collective wisdom of a diverse group of forecasters, and can sometimes differ from those offered by traditional sportsbooks. Sportsbooks set their odds based on statistical models and expert analysis, but may also incorporate a profit margin. This market, like others on Polymarket, allows individuals to express their own predictions, potentially leading to odds that more accurately reflect the true probability of an outcome. It’s common to see discrepancies, particularly when there’s significant public interest or disagreement about the likely result.
This market resolves around Oct 28, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on the official results of the W50 Austin tennis match, specifically which player wins the match. The platform will rely on established tennis authorities to verify the final result. Traders who correctly predicted the winner will receive a payout based on the final share price at the time of resolution.
Several factors could influence the price of shares in this market before Oct 28, 2026. Any news regarding player injuries, changes in playing conditions, or updated rankings could shift expectations. Strong performances by either player in preceding matches, or even comments from tennis analysts, might also affect trading activity. Unexpected weather conditions at the tournament location could also play a role, as could any significant shifts in public sentiment regarding each player’s chances of winning the W50 Austin tennis match.