When is the best time to invest in Zhenjiang commodity silver?

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When is it beneficial to invest in Zhenjiang commodity silver and add a position
When is it appropriate to add a position when speculating in Zhenjiang commodity silver? In terms of analytical ability, at least investors who can make accurate judgments about the direction of the next week can use the method of adding positions (this requires investors not only to look at charts, but also to pay attention to fundamentals, weather, policies, etc.).
In terms of operating rhythm, adding positions is suitable for investors who combine short and medium positions.
In terms of the amount of funds, adding a position is suitable for larger funds. When the position is sufficient, do not consider adding a position, or when the ratio of reserve funds to current funds reaches or exceeds, the operation skills for adding a position are suitable .