When the market opened, the stock price index opened higher than the closing point of the previous trading day. With the progress of trading, the stock price index kept falling, and the whole trading day showed a downward trend.

K line indicates that the entity is a negative line, and there is no upper shadow line.

Use the other hand.

In the current Chinese mainland stock market, changing hands can be simply understood as describing the sale of shares from one person to another, that is, trading.

In securities trading, the information of a single price describing the market dynamics is very limited, and the number of transactions, that is, the turnover, is a very important reference index.

In the futures trading or securities trading market in other countries and regions, you can be both a bull and a bear, which refers to the transfer of securities, securities options or commodities when trading between bulls or bears.

If one of the two parties to the transaction is multi-party and the other is empty, it is called bilateral opening, just like changing hands.

Of course, in the modern securities and futures trading market, it is difficult to determine whether a transaction is between two specific people. The one-on-one transaction mentioned above is just a simple example and easy to understand. More often, all sellers throw n and all buyers buy n.