The delivery months of corn futures contracts are 1, 3, 5, 7, 9, 1 1. Last trading day: the last trading day of the contract month: the third trading day after the last trading day. Minimum deposit: 1 1% Corn kernels contain 70-75% starch, 65438. The contents of protein, fat, vitamin A, vitamin B 1 and vitamin B2 in cereals are higher than those in rice. There are more than 500 kinds of processed products made from corn.