TOTAL VOLUME:
$154.8b
24H VOL:
$244,077,041
24H TRANSACTIONS:
2,985,204,718
OPEN INTEREST:
$1,901,278,909
407,043
Markets across
39,548
events
MATCHED EVENTS:
4,422
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 18, 2:23 PM EST
Polymarket
This market refers to the tennis match between Ella McDonald and Kate Fakih in the W50 Austin, Qualifying, originally scheduled for October 18, 2026 at 11:00AM ET. This market will resolve to 'Ella McDonald' if Ella McDonald advances against Kate Fakih. This market will resolve to 'Kate Fakih' if Kate Fakih 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 1, 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 Kate Fakih in the W50 Austin, Qualifying, originally scheduled for October 18, 2026 at 11:00AM ET. This market will resolve to 'Ella McDonald' if Ella McDonald advances against Kate Fakih. This market will resolve to 'Kate Fakih' if Kate Fakih 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 1, 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 wisdom-of-the-crowd effect, potentially differing from initial sportsbook offerings. Sportsbooks may set lines based on power rankings and public perception, whereas this market aggregates the insights of informed traders. If there's a significant discrepancy, it could indicate that the market believes the sportsbook has mispriced the probability of a particular outcome. However, it's important to remember that both represent probabilities and can be influenced by various factors, including news and late-breaking information.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief in the likelihood of each player winning. The price of these shares directly reflects the implied probability of that outcome. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market dynamically adjusts as traders exchange positions, and the price converges towards what the collective believes is the true probability. Higher volume generally indicates greater confidence and more accurate pricing, as more information is incorporated into the market.
This market resolves around Oct 25, 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 W50 Austin tennis match. The player who wins the match, as determined by the official tournament organizers, will be the winning outcome in this market. Any disputes regarding the official result will be addressed using publicly available information and established tennis tournament rules.
Several factors could influence the trading activity in this market. Any news regarding player injuries, changes in playing conditions, or updated rankings could shift the perceived probabilities. Unexpected results in earlier rounds of the tournament, or even comments from analysts, might also cause traders to reassess their positions. A significant amount of money flowing into shares for one player would also be a strong signal, potentially indicating inside information or a strong conviction about their chances of winning.