In recent years, trade in concentrates has diminished and the market has relied more and more upon the APT quotation as a price guide since APT is the product traded in the largest quantity. Industry prices are mainly based on the quotations published twice a week by London’s "Metal Bulletin", although other trade journals also publish quotations or indicative prices. Click to view historical pricing sourced from Metal-Pages and Ryan's Notes as alternative references.
This graph is based on the quotations published by "Metal Bulletin" to which acknowledgement is due. The US APT quotation (stu) and the FeW quotation have been converted to mtu of WO3 to facilitate price comparisons and the annual averages have been calculated by ITIA.