Unit£ºDollar/ton
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      latest price off LME     sopt/3-month premium
Copper  7810.0/7812.0        -37        c
Aluminum  2316.0/2317.0        -32        c
Lead  2359.0/2360.0        -28        c
Zinc  2441.0/2442.0        -34        c
Tin19145.0/19150.0       -70        c
Nickel 27150.0/27155.0       -60        c
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C stands for premium
b stands for discount