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Paper trading
Resolved Gustavo Heide on 4 Sep 2026.
The last daily price before settlement had Gustavo Heide at 59.5%. The Gustavo Heide side opened at 61.5% on 3 Sep 2026. Before it settled, the high was 61.5% on 3 Sep 2026 and the low 59.5% on 4 Sep 2026. $76.64K traded over the market's life.
37 wallets still hold shares. Winners redeem theirs after settlement, so what is left is mostly the losing side.
Polymarket record as of Sep 5, 2:28 PM UTC
Daily closes of the Gustavo Heide price, Polymarket CLOB, 2 points, 3 Sep 2026 – 4 Sep 2026, chart shows 54%–66%
| Observed | Gustavo Heide price |
|---|---|
| 3 Sep 2026 | 61.5% |
| 4 Sep 2026 | 59.5% |
Winners have redeemed their shares, so most of what is left is the losing side.
| Trader | Outcome | Shares |
|---|---|---|
| UpTheBlues | Thiago Monteiro | 11K |
| ghostorder | Thiago Monteiro | 2.4K |
| lars00n | Thiago Monteiro | 2K |
| Valuable-Span-Casket | Thiago Monteiro | 1.82K |
| KNPDTRAD | Thiago Monteiro | 1.03K |
| love53forever | Thiago Monteiro | 600 |
| hii7 | Thiago Monteiro | 476.5 |
| Athletic-Sender | Thiago Monteiro | 255.81 |
| metro12 | Thiago Monteiro | 200 |
| pleasent242 | Thiago Monteiro | 193.97 |
Every wallet's public record, and 80,000 ranked by lifetime P&L: Polymarket leaderboard
This market refers to the tennis match between Gustavo Heide and Thiago Monteiro in the Porto, originally scheduled for September 4, 2026 at 5:00AM ET. This market will resolve to 'Gustavo Heide' if Gustavo Heide advances against Thiago Monteiro. This market will resolve to 'Thiago Monteiro' if Thiago Monteiro advances against Gustavo Heide. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 18, 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-heide-monteir-2026-09-04
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