
Resolved Kostyuk/Stearns on 18 Aug 2026.
The last daily price before settlement had Kostyuk/Stearns at 75.5%. The Kostyuk/Stearns side opened at 69% on 16 Aug 2026. Before it settled, across the 3 daily closes on record from 16 Aug 2026 to 18 Aug 2026, the highest close was 75.5% on 18 Aug 2026 and the lowest 50% on 17 Aug 2026. Its largest one-day move was 26 points up, to 75.5% on 18 Aug 2026. $4.86K traded over the market's life.
10 wallets still hold shares. Winners redeem theirs after settlement, so what is left is mostly the losing side.
Polymarket record as of Aug 19, 2:40 AM UTC
Daily closes of the Kostyuk/Stearns price, Polymarket CLOB, 3 points, 16 Aug 2026 – 18 Aug 2026, chart shows 40%–90%
| Observed | Kostyuk/Stearns price |
|---|---|
| 16 Aug 2026 | 69.0% |
| 18 Aug 2026 | 75.5% |
Winners have redeemed their shares, so most of what is left is the losing side.
| Trader | Outcome | Shares |
|---|---|---|
| kitopesivan | Williams/Williams | 833.33 |
| itb08081982 | Williams/Williams | 752.74 |
| jiiivi655 | Williams/Williams | 500 |
| ferrariChampions2026 | Williams/Williams |
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 doubles tennis match between Kostyuk/Stearns and Williams/Williams in the Cincinnati Open, originally scheduled for August 16, 2026 at 10:00AM ET. This market will resolve to 'Kostyuk/Stearns' if the team of Kostyuk/Stearns advances against Williams/Williams. This market will resolve to 'Williams/Williams' if the team of Williams/Williams advances against Kostyuk/Stearns. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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-doubles-kostste-willwil-2026-08-16
| 385 |
| sweise | Williams/Williams | 248.19 |
| Anonimoahsia | Williams/Williams | 25.97 |
| sporttivartti | Williams/Williams | 7.18 |
| sportsw1zard | Williams/Williams | 5 |
| rivierkreeft | Williams/Williams | 5 |
| PT-S5 | Williams/Williams | 5 |
New to prediction markets? How to read a market page