In the Hong Kong stock market, people often say buying and selling. What is buying down?

Buying down is short selling, which is also called short selling, short selling and short selling. It is an investment term of stocks and futures and an operation mode of the stock and futures markets. In contrast to bulls, in theory, it is to borrow first, then sell, then buy and then return. Short selling refers to selling borrowed stocks at the current price in the expectation of future market decline, and then buying and returning them after the market decline in order to obtain the difference profit. Its trading behavior is characterized by selling first and then buying. In fact, it is a bit like the credit transaction model in business. This model can profit in the wave band of falling prices, that is, borrowing goods at a high level and selling them, and then buying and returning them after falling. For example, a stock is expected to fall in the future, borrowed and sold when the current price is high (the actual transaction is to buy a put contract), then bought when the stock price falls to a certain extent and returned to the seller at the current price. The difference is the profit.

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