The trading unit of BU is 10 ton/lot, and the minimum variable price is 2 yuan/ton. Every fluctuation point means changing 2 yuan, 100 times. According to your understanding, the fluctuating price is 100 * 2, and the theoretical maximum profit can be 2 * 100 * 10 =. You can't say that. Generally, when you say "fluctuation 100 point", people will default to "fluctuation 100 yuan", which is considered as the theoretical maximum profit:10 *100 =1000 yuan/hand.