There are two meanings: first, the usual lecturer, after you set up the initial position, the list has a certain floating profit, such as buying more than 500, and now the price rises to 5 10, and then you choose to set up the second batch of positions at 5 10 and then enter more orders, which is the second position. In futures, this means that your account has a floating profit and loss. For example, you Man Cang 10. When the price rises to 5 10 (settlement), you will have a floating profit of 1000 yuan. Just now, you said you were Man Cang. In the spot, this floating profit of 1000 yuan is only floating profit. In futures, the floating profit of 1000 yuan can be used as your principal, that is, you can buy this variety again, or other varieties. Fuying is you.