S (green) inner disk: it means selling, closing at the purchase price, and adding the number of purchases to the inner disk.
The number after bs indicates the number that investors want to trade. Generally expressed by the number of hands.
Inner disk: the number of transactions with active outcry in the volume. The so-called active hawking refers to the number of transactions in which the seller actively sells shares at a price lower than or equal to the current purchase price, showing the overall strength of the empty side.
External disk: the number of transactions at the active purchase price in the volume. The so-called active bid refers to the number of transactions reached when the buyer actively buys shares at a price higher than or equal to the current selling price, showing the overall strength of many parties.
These can be understood slowly. In order to improve their experience in stock trading, novices can use a simulation disk of Niu Gubao to learn stock knowledge and operation skills, which is helpful for making profits in the stock market in the future. I hope I can help you, and I wish you a happy investment!