Methanol, japonica rice, PTA, corn starch, glass, corn, rapeseed meal. The margin of methanol, japonica rice, PTA, corn starch, glass, corn and rapeseed meal can be traded within 5,000 yuan, which is the cheapest variety in the domestic futures market. A deposit of 3,000 yuan or 4,000 yuan can be bought and sold. Futures is relative to the concept of "spot", which refers to the delivery and trading of goods that are bought and sold but to be carried out in the future.