First of all, this is a two-way trading product of CCB. Bears are all buying down, that is, silver falls to make money. A short position is a put order in a seller's hand.

Knowledge expansion:

1, short refers to the futures contract that was originally sold short and closed.

2. Short position refers to the increase of positions, but the added value of positions is less than the current quantity, which belongs to active selling.

3. Closing a position means that the position is reduced, but the added value of the position is less than the current position, which belongs to active selling.

4. Short position closing refers to reducing the position, but the value-added of the position is less than the current quantity, which belongs to active buying.

Unlike stocks, the trading volume of domestic futures is calculated bilaterally, so the trading volume includes both buying volume and selling volume, which is twice that of unilateral calculation. Every transaction is accompanied by an increase in trading volume, but there may be three situations: increasing positions, keeping positions unchanged and reducing positions. In the absence of pen collection, we define four basic States: double opening, pun, multiple hand changes and empty hand changes.