First, the deposit insurance system is a kind of financial guarantee system, which refers to the system that qualified deposit financial institutions collectively contribute to establish an insurance institution, and all deposit institutions as the insured pay insurance premiums to them according to a certain proportion of their deposits, and establish deposit insurance reserves. When member institutions encounter business crisis or face bankruptcy, deposit insurance institutions provide financial assistance or directly pay part or all of their deposits to depositors, thus protecting depositors' interests, maintaining bank credit and stabilizing financial order.

Second, the futures margin is simply leverage.

First of all, let's talk about what leverage is. Suppose the leverage is 20 times, then if you have a deposit of 10W, you can operate with 200W funds.

Topic-specific questions:

1, how to calculate the profit and loss of futures margin?

A: When doing futures, the floating profit and loss are directly calculated in your margin, that is to say, if you make a profit, you will increase the margin, and if you lose, you will only lose the margin.

With the futures margin, do you still need to pay the contract price to buy futures?

A: No, for example, if you need to trade a transaction amount worth 20W, and you use 20 times leverage, then your margin is 1W, and you only need to pay1w.. ,

3. When the contract price changes, how does the futures margin change?

When the contract price changes, the profit and loss are directly calculated in the deposit. For example, if you earn 1W, your deposit is+1W, your loss is 1W, and your deposit is-1w.