On May 8, the [LME cash-3M copper] backwardation was $45.82/mt, with open interest decreasing by 945 lots to 290,704 lots. On May 8, the [LME cash-3M aluminum] contango was $5.89/mt, with open interest increasing by 8,654 lots to 732,653 lots. On May 8, the [LME cash-3M lead] contango was $9.32/mt, with open interest increasing by 1,025 lots to 149,724 lots. On May 8, the [LME cash-3M zinc] contango was $32.69/mt, with open interest increasing by 2,040 lots to 213,170 lots. On May 8, the [LME cash-3M tin] contango was $158.07/mt, with open interest increasing by 33 lots to 22,762 lots. On May 8, the [LME cash-3M nickel] contango was $172.1/mt, with open interest increasing by 947 lots to 240,902 lots.