1: As long as you hold futures contract positions, there are other short positions or long positions with the same number as you, so as long as you don't open positions, you can't close them. So it is the delivery between you, and this is the matching system of futures trading.

The margin is deducted from your account according to a certain contract proportion of the futures company. If you want to hold a position, you must pay a deposit, which is divided into performance deposit and available deposit. The deposit deducted from your position is the performance bond, and the rest is the available deposit. When the available margin is less than the collar, it needs to be added.

There must be another A "opening position when 3: A closes the position. . . Wait a minute. In other words, there must be an opponent's hand.

4. Profit can be divided into actual profit and market value profit. Futures exchange settlement is to settle your profit and loss of the day according to the settlement price, that is, to mark the market profit and loss.