TOTAL VOLUME:
$134.1b
24H VOL:
$141,541,542
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,440,096,988
406,065
Markets across
30,522
events
MATCHED EVENTS:
2,692
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Aug 24, 12:39 PM EST
Polymarket
This market refers to the tennis match between Rebecca Marino and Fiona Ferro in the US Open, Qualification WTA, originally scheduled for August 24, 2026 at 11:00AM ET. This market will resolve to 'Rebecca Marino' if Rebecca Marino advances against Fiona Ferro. This market will resolve to 'Fiona Ferro' if Fiona Ferro advances against Rebecca Marino. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 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 WTA Tour. A consensus of credible reporting may also be used.
This market refers to the tennis match between Rebecca Marino and Fiona Ferro in the US Open, Qualification WTA, originally scheduled for August 24, 2026 at 11:00AM ET. This market will resolve to 'Rebecca Marino' if Rebecca Marino advances against Fiona Ferro. This market will resolve to 'Fiona Ferro' if Fiona Ferro advances against Rebecca Marino. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 7, 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 WTA Tour. A consensus of credible reporting may also be used.
Prediction market odds in this market often differ from traditional sportsbook lines due to the decentralized nature of trader betting. While sportsbooks may set their odds based on broader analytics and betting balances, prediction markets reflect the aggregated beliefs of individual participants, which can lead to tighter spreads or more volatile pricing depending on recent performance and news.
On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. On Polymarket, this market is priced through trader activity where participants buy and sell shares representing each outcome. The current top chance reflects the percentage of shares held for the leading side, and pricing adjusts continuously based on new bets, news, and shifts in trader confidence about the players' performance in the upcoming match.
This market resolves around Aug 31, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The result is determined by the official match conclusion, and the platform will update the market accordingly based on that verified data, ensuring alignment with the actual match result.
Injuries, recent match performance, weather conditions, and player statements can all shift this market. Any last-minute changes in form or official tournament updates may cause traders to adjust their bets, impacting the odds. Keep an eye on practice sessions and any news that could affect the players' readiness or strategies heading into the qualifier.