Generally speaking, I would say 10%, but there will be some discrepancies between different trading varieties, and the margin will increase on holidays and near the delivery date. If your margin is not enough, the trading system or futures company will inform you. Generally speaking, the handling fee depends on your account opening funds, but the funds are large, and the handling fee is relatively small, such as stock index futures, and the handling fee is very low. Moreover, the first-hand handling fee does not even need a point of stock index fluctuation, arbitrage, and generally two-legged margin, such as soybean and soybean meal arbitrage, is equivalent to opening a position twice, and the handling fee is the same. For the intertemporal transactions of the same variety in Zhengzhou Futures Exchange, the intertemporal arbitrage portfolio instruction trading method is unilateral margin, and the unilateral margin is also charged for "locking orders". The handling fee is the same.

Free varieties of Pingjincang are charged a one-leg handling fee. Freeze the handling fee of two legs after entering the site, and return one leg after leveling the warehouse.