
Resolved No on 28 Aug 2026.
The last daily price before settlement had No at 100%. Yes opened at 42.5% on 3 Jan 2026. Before it settled, the high was 42.5% on 3 Jan 2026 and the low 0.1% on 22 Aug 2026. Its largest one-day move was 26 points down, to 5.5% on 6 Jan 2026. $79K traded over the market's life.
63 wallets still hold shares. Winners redeem theirs after settlement, so what is left is mostly the losing side.
Polymarket record as of Oct 7, 8:04 PM UTC
Daily closes of the Yes price, Polymarket CLOB · 215 points · 3 Jan 2026 – 28 Aug 2026
| Observed | Yes price |
|---|---|
| 3 Jan 2026 | 42.5% |
| 28 Aug 2026 | 0.1% |
Winners have redeemed their shares, so most of what is left is the losing side.
| Trader | Outcome | Shares |
|---|---|---|
| Indigo Signal 2966 | No | 148.66K |
| timetowander | Yes | 19K |
| AlexWinAAA | Yes | 18.6K |
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 source will be official information from the U.S. Open (https://www.usopen.org/index.html); however, a consensus of credible reporting may also be used.
Official listing: polymarket.com/event/2026-womens-us-open-winner-tennis
| northstock | Yes | 6.59K |
| e46m3 | Yes | 3.83K |
| Pure-Eyeliner | Yes | 2.88K |
| balthazar | Yes | 2.57K |
| Flamboyant-Warming | Yes | 2.45K |
| crckr | Yes | 2.16K |
| Offbeat-Injoke | Yes | 2K |
Every wallet's public record, and 80,000 ranked by lifetime P&L: Polymarket leaderboard
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