
Resolved Kei Nishikori on 26 Aug 2026.
$182.34K traded over the market's life.
75 wallets still hold shares. Winners redeem theirs after settlement, so what is left is mostly the losing side.
Polymarket record as of Aug 27, 11:01 PM UTC
Daily closes of the Kei Nishikori price, Polymarket CLOB, 1 point, 26 Aug 2026, chart shows 45%–60%
| Observed | Kei Nishikori price |
|---|---|
| 26 Aug 2026 | 52.5% |
Winners have redeemed their shares, so most of what is left is the losing side.
| Trader | Outcome | Shares |
|---|---|---|
| comon119 | Michael Antonius | 20K |
| 0x0x23kjookhaiuohduoayh8c9 | Michael Antonius | 11.9K |
| tennissniper777 | Michael Antonius | 5.7K |
| Sinnerr | Michael Antonius | 4.72K |
| 88M | Michael Antonius | 4.69K |
| Eddd1x | Michael Antonius | 4.55K |
| DAKWIN | Michael Antonius | 3.74K |
| Portly-Derivation | Michael Antonius | 2.92K |
| pleasent242 | Michael Antonius | 2.53K |
| Scornful-Gym-Retreat | Michael Antonius | 2.44K |
Every wallet's public record, and 80,000 ranked by lifetime P&L: Polymarket leaderboard
This market refers to the tennis match between Kei Nishikori and Michael Antonius in the US Open, Qualification ATP, originally scheduled for August 26, 2026 at 11:00AM ET. This market will resolve to 'Kei Nishikori' if Kei Nishikori advances against Michael Antonius. This market will resolve to 'Michael Antonius' if Michael Antonius advances against Kei Nishikori. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 9, 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 ATP Tour. A consensus of credible reporting may also be used.
Official listing: polymarket.com/event/atp-nishiko-antoniu-2026-08-26
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