On May 19, [LME 0-3 copper] backwardation was $15.52/mt, with open interest at 293,619 lots, up by 84 lots. On May 19, [LME 0-3 aluminum] backwardation was $1.42/mt, with open interest at 702,108 lots, down by 15,956 lots. On May 19, [LME 0-3 lead] contango was $18.06/mt, with open interest at 147,075 lots, down by 2,842 lots. On May 19, [LME 0-3 zinc] contango was $31.77/mt, with open interest at 223,679 lots, down by 4,336 lots. On May 19, [LME 0-3 tin] contango was $56/mt, with open interest at 22,369 lots, down by 958 lots. On May 19, [LME 0-3 nickel] contango was $201.97/mt, with open interest at 240,879 lots, down by 2,260 lots.