Analytics
Resolved Marta Kostyuk on 19 Aug 2026.
$634.12K traded over the market's life.
153 wallets still hold shares. Winners redeem theirs after settlement, so what is left is mostly the losing side.
Polymarket record as of Aug 20, 7:11 PM UTC
Daily closes of the Marta Kostyuk price, Polymarket CLOB, 1 point, 19 Aug 2026, chart shows 40%–52%
| Observed | Marta Kostyuk price |
|---|---|
| 19 Aug 2026 | 46.5% |
Winners have redeemed their shares, so most of what is left is the losing side.
| Trader | Outcome | Shares |
|---|---|---|
| AGUGava | Mirra Andreeva | 25K |
| alaskabaked | Mirra Andreeva | 17.45K |
| colossus | Mirra Andreeva | 14.24K |
| Tobias1909 | Mirra Andreeva | 9K |
| JAMJAMJAM4 | Mirra Andreeva | 7.9K |
| Neverlucki121 | Mirra Andreeva | 7.51K |
| RebornAthena | Mirra Andreeva | 3.85K |
| Kalahanda | Mirra Andreeva | 2.55K |
| Indigo Falcon 3A7C | Mirra Andreeva | 1.7K |
| TakintheL | Mirra Andreeva | 1.45K |
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 Marta Kostyuk and Mirra Andreeva in the Cincinnati Open, originally scheduled for August 19, 2026 at 11:00AM ET. This market will resolve to 'Marta Kostyuk' if Marta Kostyuk advances against Mirra Andreeva. This market will resolve to 'Mirra Andreeva' if Mirra Andreeva advances against Marta Kostyuk. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, 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-kostyuk-andreev-2026-08-19
New to prediction markets? How to read a market page
