1. The long position in futures is the abbreviation of long position, which means that the position is increased, but the added value of the position is less than the current position, which belongs to active buying.

2. Generally speaking, multi-opening means multi-position opening, but sometimes the dial will show: "The current position of XX hand is XX hand, followed by a word of multi-opening, double-opening, multi-flat, empty-flat, empty-changing and changeable.

3. The difference between multi-opening and double-opening is that multi-opening transactions have multiple flat orders in the early stage. As for the position difference, that is, the change of the position in the market, he calculates it in both directions. It calculates the position change of the whole market, not the unilateral position change of the empty party or multiple parties.