Futures commission is divided into two parts! One is directly added, such as soybean meal, which is converted into 1.5 yuan, plus ten cents, so the total is 1.6 yuan! The other is calculated according to the ratio of one in ten thousand. For example, for silver, the exchange rate is 0.5%, and the lowest can rise by 0.05%, and * * * is 0.55%. The calculation formula is: current price × transaction unit × handling fee rate, that is, 4200× 15× 0.55% = 3.47. I hope I can help you!

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.