CSI takes CSI 5 as an example. CSI 5 Index is one of the indexes developed by CSI Index Co., Ltd. The stocks in its sample space are the top 3 stocks after deducting the sample stocks of CSI 3 Index and the average daily market value of the latest year. The remaining stocks are ranked from high to low according to the average daily turnover of the latest year (since the listing of new shares), and the bottom 2% stocks are excluded, and then the remaining stocks are ranked from high to low according to the average daily market value. The CSI 5 index comprehensively reflects the overall situation of small-cap companies in the Shanghai and Shenzhen stock markets.
in order to reflect the overall performance of stocks with different scale characteristics in the market, CSI Index Co., Ltd. has built a scale index system including large-cap, medium-cap, small-cap, large-medium-cap, small-medium-cap, large-medium-cap and small-medium-cap indexes based on the Shanghai and Shenzhen 3 Index, which provides rich analytical tools and performance benchmarks for the market and lays a foundation for the research and development of index products and other indexes.
I. Name and code of index
The CSI 5 Index is also called CSI Smallcap 5 index, which is referred to as CSI 5 for short. The Shanghai market code is 95 and the Shenzhen market code is 39995.
base date and base point
the base date of CSI 5, CSI 7 and CSI 8 is December 31, 24, and the base point is 1.
Third, the sample selection method of CSI 5 Index
1. Sample space
The listing time is more than one quarter, unless the daily average A-share market value of the stock since listing ranks in the top 3 among all Shanghai and Shenzhen A-shares;
non-ST, *ST and non-suspended stocks;
the company is in good operating condition, with no major violations of laws and regulations and no major problems in its financial report in the last year;
the stock price has no obvious abnormal fluctuation or market manipulation;
exclude other stocks that cannot enter the index as determined by the expert committee.
2. Sample size
The number of sample stocks of CSI 5 Index is 5
3. Sample selection method
The sample stocks of CSI 5 Index are selected according to the following steps:
Step 1: The sample stocks of CSI 3 Index and the top 3 stocks in the latest year are deducted from the sample space;
step 2: rank the remaining stocks in step 1 from high to low according to the average daily turnover of the latest year (since the listing of new shares), and exclude the last 2% stocks;
step 3 ranks the remaining stocks in step 2 from high to low according to the daily average total market value, and selects the top 5 stocks as sample stocks of the CSI 5 index.
Shanghai Stock Exchange [edit this paragraph] The full name of Shanghai Stock Exchange Index (SH1) is the Shanghai Stock Exchange Stock Price Composite Index, which was compiled by the Shanghai Stock Exchange and officially released on December 19th, 199. The sample of the stock index is all the stocks listed on the Shanghai Stock Exchange, and the newly listed stocks are included in the calculation range of the stock index 1 days after listing.
the weight of the stock index is the total share capital of the listed company. Because the stocks of listed companies in China are divided into tradable shares and non-tradable shares, their circulation is not consistent with the total share capital, so the stocks with larger total share capital have a greater impact on the stock index, and the Shanghai Composite Index sometimes becomes a tool for large institutions to create the market, which makes the trend of the stock index deviate from the rise and fall of most stocks.
The release of the stock index of Shanghai Stock Exchange is almost synchronous with the changes of the stock market, which is an indispensable reference for Chinese investors and securities practitioners to judge the trend of stock price changes.
The index, formerly known as Shanghai Jing 'an Index, was compiled by Jing 'an Securities Business Department of China Industrial and Commercial Bank Shanghai Branch Trust and Investment Company on November 2, 1987. The Shanghai Composite Index was compiled and published by the Shanghai Stock Exchange on July 15th, 1991, with December 19th, 199 as the base period and the base period value of 1. All listed stocks were taken as samples and the stock circulation was taken as the weight. The calculation formula is:
today's stock price index = today's total stock market value ÷ base period's total stock market value× 1
The specific calculation method is to multiply the stock closing price of the base period and the calculation date (if there is no transaction on that day, the closing price of the previous day will be extended) by the number of shares issued, and then add them to obtain the total stock market value of the base period and the calculation date, and then divide them to obtain the stock price index. In case of capital increase, share expansion or addition (deletion) of listed stocks, it must be revised accordingly, and its calculation formula is adjusted as follows:
today's stock price index = today's total stock market price ÷ new benchmark stock market price ×1
where: new benchmark stock market price = before correction × (before correction+before correction) ÷ stock market price. On the basis of this comprehensive index, Shanghai Stock Exchange has published the A-share index and B-share index respectively since February 1992, and officially published the stock price indexes of five categories: industry, commerce, real estate, public utilities and comprehensive since May 3, 1993.
[ Edit] List of Shanghai Composite Index
Broadly speaking, there are 16 kinds of Shanghai Composite Index in 4 categories. They are
1, four sample indices
1, Shanghai and Shenzhen 3
2, Shanghai Stock Exchange 18
3, Shanghai Stock Exchange 5
4, dividend index
2, composite index 2
1, Shanghai Stock Exchange Index
2, new composite index
3. There are 7 categories of classified indexes
1.A-share index
2.B-share index
3. Industrial index
4. Commercial index
5. Real estate index
6. Public index
7. Comprehensive index
4. Other index categories 3
1. Fund index. Its sample shares are all listed stocks, including A shares and B shares, which generally reflect the changes in the prices of listed stocks in Shanghai Stock Exchange and have been officially released since July 15th, 1991.
1. The full name of "Shanghai Stock Exchange Composite Stock Index", also known as "Shanghai Stock Exchange Composite Stock Index", is a statistical index widely used at home and abroad to reflect the overall trend of Shanghai stock market.
The Shanghai Stock Exchange compiled the Shanghai Stock Exchange and released it publicly on July 15th, 1991. The Shanghai Stock Exchange's withdrawal number is in "points" and the base date is December 19th, 199. The base date is set at 1 points.
With the continuous development of Shanghai stock market, on February 21st, 1992, Shanghai A-share index and Shanghai B-share index were added to reflect the respective trends of different stocks (A-share and B-share). On June 1, 1993, the Shanghai Stock Exchange's classified indexes were added, namely, industrial index, commercial index, real estate index, public utility index and comprehensive industry index, to reflect the respective trends of stocks in different industries.
At this point, the Shanghai Stock Exchange Index has developed into a series of stock price indexes including comprehensive stock price index, A-share index, B-share index and sub-index.
2. Calculation formula
The Shanghai Composite Index is a weighted comprehensive stock price index with the number of shares issued in the reporting period as the weight calculated by the licensing formula.
reporting period index = (total market value of sampling stocks in the reporting period/total market value of sampling stocks on the base day) ×1
total market value = ∑ (market value × number of shares issued)
Among them, the total market value of sampling stocks on the base day is also called divisor.