Price avaialble since 2011-05-19 | |||||
| Date | North America | US West Coast | US Midwest | US East Coast | Unit |
| 2020-11-03 | 1014.38 | $US/Oz | |||
| 2020-11-02 | 1010.05 | $US/Oz | |||
| 2020-10-30 | 1003.86 | $US/Oz | |||
| 2020-10-29 | 1003.67 | $US/Oz | |||
| 2020-10-28 | 1022.86 | $US/Oz | |||
| 2020-10-27 | 1018.96 | $US/Oz | |||
| 2020-10-26 | 1021.76 | $US/Oz | |||
