Analytics
Resolved Sofia Costoulas on 26 Aug 2026.
The last daily price before settlement had Sofia Costoulas at 100%. The Sofia Costoulas side opened at 86.5% on 24 Aug 2026. Before it settled, the high was 100% on 26 Aug 2026 and the low 84.5% on 25 Aug 2026. Its largest one-day move was 15 points up, to 100% on 26 Aug 2026. $34.82K traded over the market's life.
44 wallets still hold shares. Winners redeem theirs after settlement, so what is left is mostly the losing side.
Polymarket record as of Aug 26, 11:51 PM UTC
Daily closes of the Sofia Costoulas price, Polymarket CLOB · 3 points · 24 Aug 2026 – 26 Aug 2026 · axis zoomed to 80%–100%
| Observed | Sofia Costoulas price |
|---|---|
| 24 Aug 2026 | 86.5% |
| 26 Aug 2026 | 100.0% |
Winners have redeemed their shares, so most of what is left is the losing side.
| Trader | Outcome | Shares |
|---|---|---|
| Jsuehehwywyw6 | Jennifer Ruggeri | 2.17K |
| marketmesh | Jennifer Ruggeri | 1.03K |
| ferrariChampions2026 | Jennifer Ruggeri | 795.83 |
| d8c6 | Jennifer Ruggeri | 548.45 |
| qrup | Jennifer Ruggeri | 547.03 |
| thestingsnake | Jennifer Ruggeri | 310 |
| Lilybaeum | Jennifer Ruggeri | 226.31 |
| hii7 | Jennifer Ruggeri | 207.39 |
| Gamolibbb | Jennifer Ruggeri | 128.21 |
| RN1 | Jennifer Ruggeri | 119.71 |
Every wallet's public record, and 80,000 ranked by lifetime P&L: Polymarket leaderboard
This market refers to the tennis match between Sofia Costoulas and Jennifer Ruggeri in the US Open, Qualification WTA, originally scheduled for August 25, 2026 at 11:00AM ET. This market will resolve to 'Sofia Costoulas' if Sofia Costoulas advances against Jennifer Ruggeri. This market will resolve to 'Jennifer Ruggeri' if Jennifer Ruggeri advances against Sofia Costoulas. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 8, 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-costoul-ruggeri-2026-08-25
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