AL:=(C+L+H)/3； AO:=SMA(AL，5， 1)-SMA(AL， 13， 1)；
BBD:(AO-SMA(AO，3， 1))* 100，COLORFFCCFF
M5:SMA(BBD，5， 1)； M 10:SMA(BBD， 10， 1)； M20:SMA(BBD，20， 1)；
Stay wire (BBD, REF(BBD, 1), REF(BBD, 1), BBD)
1, "king of all-powerful traders" BBD
The BBD of trading almighty king is also called "long and short trend" indicator, and some people call it "BBD decision" indicator. Its essence is the big single difference of all stocks in the stock market (here only refers to the A shares of the Shanghai Stock Exchange, because the Shenzhen Stock Exchange has not yet established high-end data). That is, the difference between buying and selling. So it is basically a "big single net difference". It reflects the direction and strength of the transaction of large funds. We can grasp the future trend by whether there is big money to buy or sell.
2. stocks
A stock is a certificate of ownership issued by a joint-stock company. It is a kind of securities issued by joint-stock companies to shareholders as holding certificates in order to raise funds and obtain dividends and bonuses. Stock is the main long-term credit tool in the capital market, which can be transferred and traded. With it, shareholders can share the company's profits, but also bear the risks brought by the company's business mistakes.
3. Stock principle
The principle of shares is essentially a certificate of ownership issued by a joint-stock company. It is a kind of securities issued by a joint-stock company to all shareholders of the company, as shareholders' own rights and interests certificates, to raise funds and get dividends. Each share represents the shareholder's ownership of the basic unit of the company's stock. Any listed company will issue shares when it goes public.
4. Can stocks be sold at any time?
No, stocks can't be sold at any time. Stocks can only be sold during trading hours on trading days. And if it is a stock bought on the same day, it cannot be sold on the same day. Also, if the stock is suspended, it is impossible to sell it. When the stock falls, it can continue to sell, but if it is late and backward, there is a great probability that it will not be sold.
5. Does fixed investment apply to stocks?
Not applicable. According to the situation of domestic stocks, stocks are more suitable for high selling and low sucking, and not suitable for fixed investment, because stocks rise and fall greatly every trading day. The daily rise and fall of stocks in Shanghai and Shenzhen stock markets are limited to 10%, while the daily rise and fall of stocks in Growth Enterprise Market and science and technology innovation board stock market are limited to 20%.