Detailed introduction:
Shanghai and Shenzhen 300 Index, abbreviated as: Shanghai and Shenzhen 300; Prepared by CSI Index Co., Ltd., it was established on August 25th, 2005. Is a company jointly funded by Shanghai Stock Exchange and Shenzhen Stock Exchange, specializing in the development of securities indexes and index derivatives.
The Shanghai and Shenzhen 300 Index is an index jointly released by the Shanghai and Shenzhen Stock Exchanges on April 8, 2005, which reflects the overall trend of the A-share market. The purpose of compiling the CSI 300 Index is to reflect the overall situation and operation of stock price changes in China stock market, which can be used as an evaluation standard of investment performance and provide basic conditions for indexed investment and innovation of index derivatives. After the establishment of CSI Index Co., Ltd., Shanghai and Shenzhen Stock Exchanges handed over the management and related rights and interests of CSI 300 Index to CSI Index Co., Ltd. ... CSI Index Co., Ltd. calculated and published the price index and total return index of CSI 300 at the same time, in which the price index was released in real time and the total return index was released on the websites of CSI Index Company and Shanghai Stock Exchange after the daily closing.
Market trend of Shanghai and Shenzhen 300 index
The sample of the Shanghai and Shenzhen 300 Index covers about 60% of the market value of the Shanghai and Shenzhen markets, which has good market representativeness and investability. As of August 3, 2006, two index funds have taken the Shanghai and Shenzhen 300 Index as the investment target, and 10 funds have taken the Shanghai and Shenzhen 300 Index as the performance measurement benchmark. CSI Index Co., Ltd. has authorized BOC International Prudential Asset Management Company to use the CSI 300 Index to develop overseas ETFs, and Reuters Information has used the CSI 300 Index to develop Reuters China Annuity Index. Its introduction enriches the existing index system of the market, increases the index for observing the market trend, and further provides the basic conditions for the innovative development of index investment products, which is very beneficial for investors to fully grasp the overall operation of China's stock market.
1. The Shanghai and Shenzhen 300 Index is based on June 5438+February 3, 20041,with a base point of 1000. Its calculation is based on the adjusted share capital, and it is calculated by the formula of licensed weighted comprehensive price index. Among them, the adjusted share capital is obtained according to the classification method.
Two, where there are constituent stocks dividends, the index will not be adjusted, let it fall naturally.
Three, the Shanghai and Shenzhen 300 index will make regular adjustments to the constituent stocks, the adjustment principle is:
1. In principle, the constituent stocks of this index are adjusted once every six months. Generally, the adjustment will be implemented in early October and early July of165438+, and the adjustment plan will be announced two weeks in advance.
2. The proportion of each adjustment shall not exceed 10%. Sample adjustment sets the buffer, and the new samples ranked within 240 will enter first, and the old samples ranked before 360 will be reserved first.
3. In principle, stocks with losses in the latest financial report will not enter the newly selected sample unless it affects the representativeness of the index.
As the Shanghai and Shenzhen 300 index covers the Shanghai and Shenzhen stock markets, the overall market representation is good, and it has the highest voice in the index selection of China's stock index futures, and has become the target of China's stock index futures.
Exponential code:
Shanghai stock market 000300
Shenzhen 399300.
The Shanghai and Shenzhen 300 Index is based on 65438+February 3, 20041,and the benchmark date is 1000 points.
The Shanghai and Shenzhen 300 Index is a sample of 300 A shares selected from the Shanghai and Shenzhen stock markets, including Shanghai 179 and Shenzhen 1.
Sample selection criteria are large-scale and liquid stocks.
The sample of the Shanghai and Shenzhen 300 Index covers about 60% of the market value of the Shanghai and Shenzhen markets, which has a good market representation.