As of yesterday, the settlement price of rebar main contract RB 10 10 of Shanghai Futures Exchange was 4856 yuan/ton. According to the margin ratio of 16%, it takes money to make rebar 1 lot (10 ton):

4856 *10 *16% = 7769.6 yuan.

Then1100,000 can be bought and sold:

100000/7769.6 =128.

However, in the actual transaction process, some funds need to be reserved for settlement. Remember not to buy or sell in Man Cang.