30000 yuan. Forced liquidation is also called forced liquidation, and it is also called being cut, cut or exploded. It means that when the user's trading margin cannot be replenished within the specified time, or the user's position exceeds the specified limit, the stock exchange will generally close the position automatically in order to prevent the trading risk from further expanding. The first-hand margin is 3,000 yuan, and the margin ratio is 10%. The real price is 30,000 yuan, and the forced liquidation will lose at least 30,000 yuan. Corn futures is the earliest futures trading variety in the international futures market and the initial variety of the futures market.