| Sold | Grade | Monthly Average |
| Apr 2026 | 6.0 | $9.00 |
| May 2026 | 5.5 | $8.20 |
| Feb 2026 | 5.0 | $7.49 |
| Jul 2026 | 4.5 | $6.70 |
| Jun 2023 | 8.0 | $24.70 |
| May 2021 | 8.0 | $7.60 |
| Nov 2025 | 6.0 | $6.00 |
| Aug 2024 | 6.0 | $6.00 |
| Jun 2024 | 6.0 | $6.00 |
| Feb 2024 | 6.0 | $6.00 |
| Dec 2023 | 6.0 | $5.70 |
| Sep 2023 | 6.0 | $6.00 |
| Jun 2023 | 6.0 | $5.85 |
| Oct 2022 | 6.0 | $6.00 |
| Apr 2022 | 6.0 | $6.00 |
| Oct 2021 | 6.0 | $6.00 |
| Sep 2021 | 6.0 | $6.00 |
| Jul 2021 | 6.0 | $6.00 |
| Jun 2021 | 6.0 | $6.00 |
| Mar 2021 | 6.0 | $6.00 |
| Feb 2021 | 4.0 | $4.00 |
| Dec 2020 | 4.0 | $4.00 |