What simulation software do you use? 49000 is the price per ton, and 150 and 1.5% should be the number of ups and downs and the range of ups and downs. Copper should be 5 tons? Hand, the margin ratio is 5%, calculated at the price of 49000, the first margin is 49000*5*5%, which is the contract price * contract multiplier * margin ratio. What does the simulation software need to see? This question is too general to answer. Probably the price, time-sharing chart and K-line chart, depending on what indicators you need.