On April 24, the LME cash-3M copper backwardation was $6.43/mt, with open interest increasing by 3,040 lots to 284,031 lots. On April 24, the LME cash-3M aluminum contango was $29.55/mt, with open interest increasing by 2,277 lots to 694,808 lots. On April 24, the LME cash-3M lead contango was $21.19/mt, with open interest decreasing by 1,329 lots to 148,527 lots. On April 24, the LME cash-3M zinc contango was $33.43/mt, with open interest increasing by 2,458 lots to 204,187 lots. On April 24, the LME cash-3M tin contango was $169/mt, with open interest increasing by 13 lots to 23,331 lots. On April 24, the LME cash-3M nickel contango was $200.62/mt, with open interest decreasing by 608 lots to 235,316 lots.