To put it simply, four exchanges open accounts at 50W, and find a futures company to open an account. Their company has software downloaded from official website, and the handling fee is similar to that of stocks. Futures refers to futures contract trading, margin leveraged trading, 13% margin control 100% contract. Buy the stock in full, and the futures only need 13%. An increase of 13% means an increase of 1 times, and a loss of 13% means that there will be no debt settlement on the same day, that is, once a day. If you are careful to be forced to close your position, you need to add margin (add money). Don't you know that there are Admiralty Gold and Shandong Gold in the proposal of buying gold and silver in stocks? Or stock index futures contracts. T+0 transaction.

You can also buy more and sell less, and be careful not to be forced to empty.