Price avaialble since 2011-05-19 | |||||
| Date | North America | US West Coast | US Midwest | US East Coast | Unit |
| 2020-11-03 | 650.24 | $US/Oz | |||
| 2020-11-02 | 647.47 | $US/Oz | |||
| 2020-10-30 | 643.50 | $US/Oz | |||
| 2020-10-29 | 643.38 | $US/Oz | |||
| 2020-10-28 | 655.68 | $US/Oz | |||
| 2020-10-27 | 653.18 | $US/Oz | |||
| 2020-10-26 | 654.97 | $US/Oz | |||
