OpenFlow2026 Women’s US Open Winner (Tennis). Current implied probability: 23% yes. Total volume: $7.5M. Resolves September 13, 2026. Live odds aggregated from Polymarket and Kalshi on OpenFlow.
2026 Women’s US Open Winner (Tennis)
Aryna Sabalenka enters as the two-time defending champion and world No. 1 with the strongest implied probability at 22.5%, yet her recent hard-court results—marked by a 17-7 stretch since April with multiple early exits—have narrowed her edge. Coco Gauff at 16% and Iga Swiatek at 14.5% benefit from stronger late-summer form, including Gauff’s Cincinnati title and Swiatek’s Toronto crown, while Jes…
Rules summary
The 2026 U.S. Open tennis tournament is scheduled for August 23 - September 13, 2026. This market will resolve to the player that wins the 2026 U.S. Open Women’s Singles Tournament. If at any point it becomes impossible for a listed player to win the 2026 U.S. Open Women’s Singles Tournament per the rules of the tournament, the corresponding market will resolve to “No”. If the 2026 U.S. Open Women’s Singles Tournament is cancelled, postponed after October 31, 2026, or there is otherwise no winner declared within that timeframe, this market will resolve to “Other”. The primary resolution so…