Price avaialble since 2011-05-19 | |||||
| Date | North America | US West Coast | US Midwest | US East Coast | Unit |
| 2020-11-03 | 687.45 | $US/Oz | |||
| 2020-11-02 | 684.52 | $US/Oz | |||
| 2020-10-30 | 680.32 | $US/Oz | |||
| 2020-10-29 | 680.19 | $US/Oz | |||
| 2020-10-28 | 693.19 | $US/Oz | |||
| 2020-10-27 | 690.56 | $US/Oz | |||
| 2020-10-26 | 692.45 | $US/Oz | |||
