Price avaialble since 2011-05-19 | |||||
| Date | North America | US West Coast | US Midwest | US East Coast | Unit |
| 2020-11-03 | 1679.21 | $US/Oz | |||
| 2020-11-02 | 1672.06 | $US/Oz | |||
| 2020-10-30 | 1661.79 | $US/Oz | |||
| 2020-10-29 | 1661.48 | $US/Oz | |||
| 2020-10-28 | 1693.25 | $US/Oz | |||
| 2020-10-27 | 1686.81 | $US/Oz | |||
| 2020-10-26 | 1691.43 | $US/Oz | |||
