The latest price of soybean meal is 2855, the trading unit is 10 ton/lot, and the exchange margin rate is 5%, so the futures margin of primary soybean meal is = 2855 *10 * 5% *1=1427.5 yuan;
Calculation formula of futures fluctuation point = trading unit * minimum change price;
The lowest fluctuating price of soybean meal is 1 yuan/ton, so the fluctuating profit and loss of soybean meal at a point = 10* 1= 10 yuan.