At the same time, it is also called lock position, which causes hedging. When the general market fluctuates rapidly or greatly; This operation will be carried out when the loss of one-way position is too large.

A bull refers to a bull, which can also be called a bull, buying a certain currency and being bullish. Short selling refers to selling a position, which can also be called shorting, selling a certain currency, and shorting. Some people call it as empty as empty.

Investment is risky, so be cautious when entering the market.