Margin trading of spot crude oil means that you can trade only by paying a certain percentage of the value of the trading object (margin ratio).

The margin ratio is 5%, 5% and 3% respectively; The lever is enlarged to 20 times, 20 times and 33 times respectively;

Take the price of 3,000 yuan 10 ton as an example, and the first-hand deposits are 1500 yuan, 4,500 yuan and 4,500 yuan respectively.