Price avaialble since 2011-05-19 | |||||
| Date | North America | US West Coast | US Midwest | US East Coast | Unit |
| 2020-11-03 | 623.40 | $US/Oz | |||
| 2020-11-02 | 621.21 | $US/Oz | |||
| 2020-10-30 | 627.04 | $US/Oz | |||
| 2020-10-29 | 628.50 | $US/Oz | |||
| 2020-10-28 | 641.63 | $US/Oz | |||
| 2020-10-27 | 640.17 | $US/Oz | |||
| 2020-10-26 | 668.60 | $US/Oz | |||
