Analytics
Resolved Qinwen Zheng on 5 Sep 2026.
The last daily price before settlement had Qinwen Zheng at 39.5%. The Madison Keys side opened at 46.5% on 4 Sep 2026. Before it settled, across the 2 daily closes on record from 4 Sep 2026 to 5 Sep 2026, the highest close was 60.5% on 5 Sep 2026 and the lowest 46.5% on 4 Sep 2026. Its largest one-day move was 14 points up, to 60.5% on 5 Sep 2026. $976.42K traded over the market's life.
191 wallets still hold shares. Winners redeem theirs after settlement, so what is left is mostly the losing side.
Polymarket record as of Sep 6, 6:07 PM UTC
Daily closes of the Madison Keys price, Polymarket CLOB, 2 points, 4 Sep 2026 – 5 Sep 2026, chart shows 40%–65%
| Observed | Madison Keys price |
|---|---|
| 4 Sep 2026 | 46.5% |
| 5 Sep 2026 | 60.5% |
Winners have redeemed their shares, so most of what is left is the losing side.
| Trader | Outcome | Shares |
|---|---|---|
| CORGII | Madison Keys | 20K |
| felic0625 | Madison Keys | 5.23K |
| Salad1 | Madison Keys | 4.67K |
| Carlos10 | Madison Keys | 3.33K |
Open a trader’s name to inspect the wallet’s available P&L, positions and recorded trades, with source dates and coverage. A large position alone does not establish a winning track record.
This market refers to the tennis match between Madison Keys and Qinwen Zheng in the US Open WTA, originally scheduled for September 4, 2026 at 11:00AM ET. This market will resolve to 'Madison Keys' if Madison Keys advances against Qinwen Zheng. This market will resolve to 'Qinwen Zheng' if Qinwen Zheng advances against Madison Keys. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 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.
Official listing: polymarket.com/event/wta-keys-zhen-2026-09-04
| Mad-Wound | Madison Keys | 2.92K |
| WallStreetGamer | Madison Keys | 2K |
| schwifty33 | Madison Keys | 1.97K |
| neutralwave23 | Madison Keys | 1.43K |
| adasm | Madison Keys | 1.22K |
| w1n3r | Madison Keys | 1.16K |
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