Unit£ºDollar/Ton
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    latest price off LME     sopt/3-month premium and discount
Copper  7120.0/7125.0       -35.0        c
Aluminum 2108.0/2110.0       -32.5        c
Lead  2138.0/2139.0       -31.5        c
Zinc  2147.0/2149.0       -31.0        c
Tin 23005.0/23010.0        -70        c
Nickel 17750.0/17755.0        -75        c
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"c "stands for premium

"b"stands for discount