For example, since 3000, the price fluctuation 1%, that is, 3000* 1%=30, which is equivalent to Apollo moving 30 price points. Because 1 hand corn is 10 ton, 1 price change means price difference 10 yuan. If the transaction happens to be 1 lot, then the corn fluctuation of 1% is 30* 10=300 yuan.

There are two important points to pay attention to. One is the benchmark price of 1% fluctuation, and the other is the number of hands traded. Only by adding the two quantities can we calculate the fluctuation of 1%.