On May 14, [LME cash-3M copper] backwardation was $14.83/mt, with open interest at 291,016 lots, up by 1,246 lots. On May 14, [LME cash-3M aluminum] backwardation was $1.01/mt, with open interest at 722,008 lots, up by 2,736 lots. On May 14, [LME cash-3M lead] contango was $6.64/mt, with open interest at 146,085 lots, down by 1,915 lots. On May 14, [LME cash-3M zinc] contango was $22.27/mt, with open interest at 223,075 lots, up by 3,036 lots. On May 14, [LME cash-3M tin] contango was $73.89/mt, with open interest at 23,175 lots, down by 312 lots. On May 14, [LME cash-3M nickel] contango was $195.59/mt, with open interest at 242,230 lots, down by 2,743 lots.