Analytics
Resolved Daniil Ostapenkov on 28 Sep 2026.
The last price read before settlement had Daniil Ostapenkov at 89.5%. The Quinn Vandecasteele side was at 65% at 28 Sep 2026, 06:00 UTC, the earliest read in hand. Before it settled, across 3 price reads from 28 Sep 2026, 06:00 UTC to 28 Sep 2026, 18:00 UTC, the highest read was 65.5% on 28 Sep 2026, 12:00 UTC and the lowest 10.5% on 28 Sep 2026, 18:00 UTC. $77.48K traded over the market's life.
43 wallets still hold shares. Winners redeem theirs after settlement, so what is left is mostly the losing side.
Polymarket record as of Sep 29, 7:22 PM UTC
6-hour closes of the Quinn Vandecasteele price, Polymarket CLOB, 3 points, 28 Sep, 06:00 UTC – 28 Sep, 18:00 UTC
| Observed | Quinn Vandecasteele price |
|---|---|
| 28 Sep, 06:00 UTC | 65.0% |
| 28 Sep, 18:00 UTC | 10.5% |
Winners have redeemed their shares, so most of what is left is the losing side.
| Trader | Outcome | Shares |
|---|---|---|
| BaltazarGombka | Quinn Vandecasteele | 3.45K |
| RebornAthena | Quinn Vandecasteele | 3.33K |
| Ghipolito | Quinn Vandecasteele | 2.71K |
| DCAETH | Quinn Vandecasteele |
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 Quinn Vandecasteele and Daniil Ostapenkov in the Columbus, USA, Qualifying, originally scheduled for September 28, 2026 at 12:20PM ET. This market will resolve to 'Quinn Vandecasteele' if Quinn Vandecasteele advances against Daniil Ostapenkov. This market will resolve to 'Daniil Ostapenkov' if Daniil Ostapenkov advances against Quinn Vandecasteele. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 12, 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-vandeca-ostapen-2026-09-28
| 2.51K |
| GrogySW | Quinn Vandecasteele | 2.09K |
| Rodovee | Quinn Vandecasteele | 2.09K |
| phatgentleman | Quinn Vandecasteele | 633.33 |
| BOB6633 | Quinn Vandecasteele | 542.21 |
| Riverluck | Quinn Vandecasteele | 500 |
| ferrariChampions2026 | Quinn Vandecasteele | 380.67 |
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